2001 OJ21
2001OJ21, K01O21J, O1781
All data for this body: [vot]
MPC data
| Name (number) |
2001 OJ21 (241781) |
| a |
2.73935 |
| e |
0.33722 |
| i / sin(i) |
15.4979 /
0.26720
|
| q |
1.81559
|
| Q |
3.66310
|
| ω |
148.7237 |
| Node |
159.0510 |
| m |
102.0541 |
| n |
0.2174 |
| Epoch |
2460800.5 |
| nobs |
644 |
| nopp |
13 |
| Years observed |
2001-2024 |
| rms |
0.79 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.735 |
|
| ep |
0.313 |
|
| sin(ip) |
0.253 |
|
| G |
0.150 |
|
| H |
16.320 |
|
| Mass |
|
|
| D |
1.56 |
0.209 |
| pV |
0.289 |
0.0879 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7349 |
0.3127 |
0.2532 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.56 |
0.209 |
0.209 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.289 |
0.0879 |
0.0879 |
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 |
| 16.32 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |