1997 JS12
1997JS12, 19360, 1977 RY18, 1977RY18, 1978 WS4, 1978WS4, 1999 RS228, 1999RS228, 1999 SZ21, 1999SZ21, J77R18Y, J78W04S, J97J12S, J99RM8S, J99S21Z
All data for this body: [vot]
MPC data
| Name (number) |
1997 JS12 (19360) |
| a |
3.10246 |
| e |
0.11300 |
| i / sin(i) |
0.6680 /
0.01166
|
| q |
2.75189
|
| Q |
3.45303
|
| ω |
18.8133 |
| Node |
150.2983 |
| m |
334.8005 |
| n |
0.1804 |
| Epoch |
2460200.5 |
| nobs |
1502 |
| nopp |
25 |
| Years observed |
1977-2023 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
Themis (24) |
|
| |
|
|
| ap |
3.105 |
|
| ep |
0.146 |
|
| sin(ip) |
0.017 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.560 |
|
| Mass |
|
|
| D |
6.84 |
0.346 |
| pV |
0.054 |
0.0119 |
| Rotational Period |
1.000 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 24 |
Themis |
602 |
Themis |
-0.1700 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1047 |
0.1458 |
0.0174 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 6.84 |
0.346 |
0.346 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.054 |
0.0119 |
0.0119 |
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 |
| 14.56 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |