Ashbrook
02157, 1924 EF, 1924EF, 1952 FF1, 1952FF1, 1957 JD1, 1957JD1, 1970 ED, 1970ED, 1975 EG1, 1975EG1, J24E00F, J52F01F, J57J01D, J70E00D, J75E01G
All data for this body: [vot]
MPC data
| Name (number) |
Ashbrook (2157) |
| a |
2.78313 |
| e |
0.11108 |
| i / sin(i) |
8.6249 /
0.14997
|
| q |
2.47398
|
| Q |
3.09228
|
| ω |
265.4992 |
| Node |
349.4175 |
| m |
82.8260 |
| n |
0.2123 |
| Epoch |
2460200.5 |
| nobs |
5321 |
| nopp |
30 |
| Years observed |
1924-2023 |
| rms |
0.43 |
Best values
|
Value |
Standard error |
| Parent |
Gefion (1272) |
|
| |
|
|
| ap |
2.783 |
|
| ep |
0.129 |
|
| sin(ip) |
0.160 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
12.190 |
|
| Mass |
|
|
| D |
13.42 |
2.190 |
| pV |
0.170 |
0.0770 |
| Rotational Period |
147.450 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 1272 |
Gefion |
516 |
Gefion |
-0.0200 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7834 |
0.1290 |
0.1598 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 13.42 |
2.190 |
2.190 |
Masiero |
2012ApJ...759L...8M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.170 |
0.0770 |
0.0770 |
Masiero |
2012ApJ...759L...8M |
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 |
| 12.19 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |