1997 WC31
1997WC31, 1987 QW8, 1987QW8, 1998 BF34, 1998BF34, 37799, J87Q08W, J97W31C, J98B34F
All data for this body: [vot]
MPC data
| Name (number) |
1997 WC31 (37799) |
| a |
2.18117 |
| e |
0.21854 |
| i / sin(i) |
2.6643 /
0.04648
|
| q |
1.70450
|
| Q |
2.65784
|
| ω |
156.6264 |
| Node |
193.7560 |
| m |
230.9643 |
| n |
0.3060 |
| Epoch |
2460800.5 |
| nobs |
1776 |
| nopp |
21 |
| Years observed |
1987-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.183 |
|
| ep |
0.159 |
|
| sin(ip) |
0.053 |
|
| G |
0.150 |
|
| H |
15.600 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
8.950 |
| Period quality |
2 |
| Spectral Class |
S |
| Spectral Class Score |
14.805 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1827 |
0.1594 |
0.0531 |
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 |
| 15.60 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 8.956 |
2 |
Synodic |
Waszczak |
2015AJ....150...75W |
Lightcurve |