2001 SX221
2001SX221, B0220, K01SM1X
All data for this body: [vot]
MPC data
| Name (number) |
2001 SX221 (110220) |
| a |
3.18881 |
| e |
0.15607 |
| i / sin(i) |
3.0464 /
0.05314
|
| q |
2.69115
|
| Q |
3.68647
|
| ω |
145.6281 |
| Node |
122.7909 |
| m |
135.9391 |
| n |
0.1731 |
| Epoch |
2460800.5 |
| nobs |
645 |
| nopp |
19 |
| Years observed |
1994-2025 |
| rms |
0.84 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.183 |
|
| ep |
0.172 |
|
| sin(ip) |
0.035 |
|
| G |
0.150 |
|
| H |
15.400 |
|
| Mass |
|
|
| D |
5.33 |
0.389 |
| pV |
0.057 |
0.0080 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1835 |
0.1725 |
0.0353 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.33 |
0.389 |
0.389 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.057 |
0.0080 |
0.0080 |
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 |
| 15.40 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |