1998 UP12
1998UP12, 2001 HX18, 2001HX18, A1378, J98U12P, K01H18X
All data for this body: [vot]
MPC data
| Name (number) |
1998 UP12 (101378) |
| a |
2.58656 |
| e |
0.14907 |
| i / sin(i) |
2.2506 /
0.03927
|
| q |
2.20098
|
| Q |
2.97213
|
| ω |
297.9477 |
| Node |
30.8863 |
| m |
183.1421 |
| n |
0.2369 |
| Epoch |
2460800.5 |
| nobs |
417 |
| nopp |
19 |
| Years observed |
1998-2025 |
| rms |
0.89 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.587 |
|
| ep |
0.111 |
|
| sin(ip) |
0.045 |
|
| G |
0.150 |
|
| H |
16.690 |
|
| Mass |
|
|
| D |
2.11 |
0.284 |
| pV |
0.091 |
0.0356 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
3.829 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5875 |
0.1113 |
0.0446 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.11 |
0.284 |
0.284 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.091 |
0.0356 |
0.0356 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 16.69 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| C |
|
0.29 |
|
Bus |
VIS |
Carvano |
2010A&A...510A..43C |
PHOT |
| C |
C |
0.5415 |
0.4130 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| X |
C |
0.1653 |
0.4130 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |