2001 SR21
2001SR21, H9050, K01S21R
All data for this body: [vot]
MPC data
| Name (number) |
2001 SR21 (179050) |
| a |
2.81261 |
| e |
0.13606 |
| i / sin(i) |
7.1101 /
0.12378
|
| q |
2.42993
|
| Q |
3.19528
|
| ω |
192.7361 |
| Node |
182.6904 |
| m |
1.8873 |
| n |
0.2089 |
| Epoch |
2460800.5 |
| nobs |
852 |
| nopp |
19 |
| Years observed |
2001-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.813 |
|
| ep |
0.103 |
|
| sin(ip) |
0.122 |
|
| G |
0.150 |
|
| H |
15.730 |
|
| Mass |
|
|
| D |
4.84 |
0.086 |
| pV |
0.057 |
0.0139 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8129 |
0.1029 |
0.1224 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.84 |
0.086 |
0.086 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.057 |
0.0139 |
0.0139 |
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 |
| 15.73 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |