1999 JS21
1999JS21, 1992 OT7, 1992OT7, 35784, J92O07T, J99J21S
All data for this body: [vot]
MPC data
| Name (number) |
1999 JS21 (35784) |
| a |
2.40428 |
| e |
0.20500 |
| i / sin(i) |
3.4377 /
0.05996
|
| q |
1.91139
|
| Q |
2.89716
|
| ω |
16.5709 |
| Node |
305.7959 |
| m |
271.0585 |
| n |
0.2644 |
| Epoch |
2460800.5 |
| nobs |
1733 |
| nopp |
21 |
| Years observed |
1992-2025 |
| rms |
0.77 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.405 |
|
| ep |
0.171 |
|
| sin(ip) |
0.072 |
|
| G |
0.150 |
|
| H |
15.310 |
|
| Mass |
|
|
| D |
2.25 |
0.705 |
| pV |
0.348 |
0.2012 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4052 |
0.1711 |
0.0724 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.25 |
0.705 |
0.705 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.348 |
0.2012 |
0.2012 |
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 |
| 15.31 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |