1989 YV4
1989YV4, 19147, 1977 RA20, 1977RA20, 1990 BC3, 1990BC3, J77R20A, J89Y04V, J90B03C
All data for this body: [vot]
MPC data
| Name (number) |
1989 YV4 (19147) |
| a |
2.39894 |
| e |
0.12431 |
| i / sin(i) |
1.5672 /
0.02735
|
| q |
2.10073
|
| Q |
2.69715
|
| ω |
74.2101 |
| Node |
33.7826 |
| m |
193.5480 |
| n |
0.2653 |
| Epoch |
2460800.5 |
| nobs |
2135 |
| nopp |
24 |
| Years observed |
1976-2025 |
| rms |
0.74 |
Best values
|
Value |
Standard error |
| Parent |
Massalia (20) |
|
| |
|
|
| ap |
2.398 |
|
| ep |
0.148 |
|
| sin(ip) |
0.022 |
|
| G |
0.150 |
|
| H |
15.330 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 20 |
Massalia |
404 |
Massalia |
-0.4600 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3978 |
0.1485 |
0.0221 |
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 |
| 15.33 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |