Kevinwelsh
13721, 1997 JE12, 1997JE12, 1998 QX51, 1998QX51, J97J12E, J98Q51X
All data for this body: [vot]
MPC data
| Name (number) |
Kevinwelsh (13721) |
| a |
2.29389 |
| e |
0.06200 |
| i / sin(i) |
4.9808 /
0.08682
|
| q |
2.15167
|
| Q |
2.43611
|
| ω |
258.7941 |
| Node |
215.0473 |
| m |
126.1343 |
| n |
0.2837 |
| Epoch |
2460800.5 |
| nobs |
2219 |
| nopp |
22 |
| Years observed |
1991-2025 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.294 |
|
| ep |
0.101 |
|
| sin(ip) |
0.098 |
|
| G |
0.150 |
|
| H |
15.220 |
|
| Mass |
|
|
| D |
1.87 |
0.472 |
| pV |
0.606 |
0.3082 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
47.633 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2936 |
0.1005 |
0.0975 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.87 |
0.472 |
0.472 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.606 |
0.3082 |
0.3082 |
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 |
| 15.22 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |