1997 JH18
1997JH18, 13671, 1981 RN7, 1981RN7, 1997 MH10, 1997MH10, J81R07N, J97J18H, J97M10H
All data for this body: [vot]
MPC data
| Name (number) |
1997 JH18 (13671) |
| a |
2.57363 |
| e |
0.19880 |
| i / sin(i) |
5.0317 /
0.08771
|
| q |
2.06200
|
| Q |
3.08526
|
| ω |
173.8393 |
| Node |
121.3157 |
| m |
96.8682 |
| n |
0.2387 |
| Epoch |
2460200.5 |
| nobs |
1323 |
| nopp |
22 |
| Years observed |
1981-2023 |
| rms |
0.65 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.571 |
|
| ep |
0.124 |
|
| sin(ip) |
0.068 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.070 |
|
| Mass |
|
|
| D |
2.83 |
0.187 |
| pV |
0.319 |
0.0348 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5711 |
0.1238 |
0.0680 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.83 |
0.187 |
0.187 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.319 |
0.0348 |
0.0348 |
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 |
| 15.07 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |