2002 SO20
2002SO20, 1998 HE142, 1998HE142, H9770, J98HE2E, K02S20O
All data for this body: [vot]
MPC data
| Name (number) |
2002 SO20 (179770) |
| a |
2.24165 |
| e |
0.18913 |
| i / sin(i) |
7.2287 /
0.12583
|
| q |
1.81768
|
| Q |
2.66562
|
| ω |
259.8892 |
| Node |
20.0961 |
| m |
327.9755 |
| n |
0.2937 |
| Epoch |
2460800.5 |
| nobs |
736 |
| nopp |
16 |
| Years observed |
1998-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.242 |
|
| ep |
0.156 |
|
| sin(ip) |
0.123 |
|
| G |
0.150 |
|
| H |
16.850 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.760 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2418 |
0.1562 |
0.1229 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 16.85 |
|
|
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 |
| S |
|
0.20 |
|
Bus |
VIS |
Carvano |
2010A&A...510A..43C |
PHOT |
| S |
S |
0.2083 |
0.5650 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| S |
S |
0.6850 |
0.5650 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |