Label:Format::Units:Description.
~ (tilda) is a line-break marker in DESCRIPTION.
The colon is a field marker. Do not use a colon in Description (or any field...).

Asteroid identification.
Designation:ASCII_Integer::none:The asteroid number.
Name:UTF8_String::none:Asteroid's name, or its provisional designation.
Diameter_Nominal:ASCII_Real:%6.1f:km:Mean diameter of the asteroid, derived as a weighted mean of the diameters measured by the IRAS, Akari AcuA, and NEOWISE missions.
Uncert:ASCII_Real:%5.1f:km:Uncertainty in Diameter_Nominal.

Diameters from fit to shape models.
Dia_1:UTF8_String::km:The diameter from fitting to Model_Number_1.
Uncert_1:UTF8_String::km:The uncertainty in the diameter from fitting to Model_Number_1.
Events_1:ASCII_Integer::none:The number of occultation events used to derive the diameter.
Invalid_1:ASCII_Integer::none:The number of occultation events where the model was assessed as invalid.
Model_Source_1:UTF8_String::none:The source of the Shape Model. Either DAMIT or ISAM.
Model_Number_1:UTF8_String::none:The number of the shape model in Model_Source_1.
Dia_2:UTF8_String::km:The diameter from fitting to Model_Number_2.
Uncert_2:UTF8_String::km:The uncertainty in the diameter from fitting to Model_Number_2.
Events_2:ASCII_Integer::none:The number of occultation events used to derive the diameter.
Invalid_2:ASCII_Integer::none:The number of occultation events where the model was assessed as invalid.
Model_Source_2:UTF8_String::none:The source of the Shape Model. Either DAMIT or ISAM.
Model_Number_2:UTF8_String::none:The number of the shape model in Model_Source_2.
Dia_3:UTF8_String::km:The diameter from fitting to Model_Number_3.
Uncert_3:UTF8_String::km:The uncertainty in the diameter from fitting to Model_Number_3.
Events_3:ASCII_Integer::none:The number of occultation events used to derive the diameter.
Invalid_3:ASCII_Integer::none:The number of occultation events where the model was assessed as invalid.
Model_Source_3:UTF8_String::none:The source of the Shape Model. Either DAMIT or ISAM.
Model_Number_3:UTF8_String::none:The number of the shape model in Model_Source_3.
Dia_4:UTF8_String::km:The diameter from fitting to Model_Number_4.
Uncert_4:UTF8_String::km:The uncertainty in the diameter from fitting to Model_Number_4.
Events_4:ASCII_Integer::none:The number of occultation events used to derive the diameter.
Invalid_4:ASCII_Integer::none:The number of occultation events where the model was assessed as invalid.
Model_Source_4:UTF8_String::none:The source of the Shape Model. Either DAMIT or ISAM.
Model_Number_4:UTF8_String::none:The number of the shape model in Model_Source_4.
Dia_5:UTF8_String::km:The diameter from fitting to Model_Number_5.
Uncert_5:UTF8_String::km:The uncertainty in the diameter from fitting to Model_Number_5.
Events_5:ASCII_Integer::none:The number of occultation events used to derive the diameter.
Invalid_5:ASCII_Integer::none:The number of occultation events where the model was assessed as invalid.
Model_Source_5:UTF8_String::none:The source of the Shape Model. Either DAMIT or ISAM.
Model_Number_5:UTF8_String::none:The number of the shape model in Model_Source_5.