1999 RY31
1999RY31, 2002 JV29, 2002JV29, A1952, J99R31Y, K02J29V
All data for this body: [vot]
MPC data
| Name (number) |
1999 RY31 (101952) |
| a |
2.25258 |
| e |
0.31706 |
| i / sin(i) |
7.9291 /
0.13795
|
| q |
1.53838
|
| Q |
2.96678
|
| ω |
210.1577 |
| Node |
59.3197 |
| m |
265.4094 |
| n |
0.2915 |
| Epoch |
2460800.5 |
| nobs |
1791 |
| nopp |
18 |
| Years observed |
1996-2025 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.303 |
|
| ep |
0.316 |
|
| sin(ip) |
0.120 |
|
| G |
0.150 |
|
| H |
16.270 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
20.193 |
| Period quality |
2 |
| Spectral Class |
L |
| Spectral Class Score |
9.898 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3034 |
0.3159 |
0.1202 |
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 |
| 16.27 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 20.1939 |
2 |
Synodic |
Pal |
2020ApJS..247...26P |
Lightcurve |