2001 RD121
2001RD121, J3978, K01RC1D
All data for this body: [vot]
MPC data
| Name (number) |
2001 RD121 (193978) |
| a |
2.30038 |
| e |
0.19931 |
| i / sin(i) |
2.9206 /
0.05095
|
| q |
1.84188
|
| Q |
2.75888
|
| ω |
275.4651 |
| Node |
44.9980 |
| m |
300.0414 |
| n |
0.2825 |
| Epoch |
2460800.5 |
| nobs |
421 |
| nopp |
16 |
| Years observed |
2001-2025 |
| rms |
0.90 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.300 |
|
| ep |
0.158 |
|
| sin(ip) |
0.042 |
|
| G |
0.150 |
|
| H |
17.480 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
6.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3005 |
0.1582 |
0.0417 |
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 |
| 17.48 |
|
|
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 |
| B |
B |
0.0838 |
0.0838 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| C |
|
1.000 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |