Hironaka
06978, 1989 UP9, 1989UP9, 1990 YM1, 1990YM1, 1991 AN4, 1991AN4, 1993 RD, 1993RD, J89U09P, J90Y01M, J91A04N, J93R00D
All data for this body: [vot]
MPC data
| Name (number) |
Hironaka (6978) |
| a |
2.56276 |
| e |
0.17320 |
| i / sin(i) |
7.4591 /
0.12982
|
| q |
2.11888
|
| Q |
3.00665
|
| ω |
301.2070 |
| Node |
339.1386 |
| m |
313.8677 |
| n |
0.2402 |
| Epoch |
2460800.5 |
| nobs |
6574 |
| nopp |
26 |
| Years observed |
1955-2025 |
| rms |
0.54 |
Best values
|
Value |
Standard error |
| Parent |
Rafita (1644) |
|
| |
|
|
| ap |
2.562 |
|
| ep |
0.166 |
|
| sin(ip) |
0.141 |
|
| G |
0.150 |
|
| H |
13.660 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
4.634 |
| Period quality |
2 |
| Spectral Class |
None |
| Spectral Class Score |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 1644 |
Rafita |
518 |
Rafita |
0.0900 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5619 |
0.1663 |
0.1409 |
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 |
| 13.66 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 4.63363 |
2 |
Sidereal |
Durech |
2023A&A...675A..24D |
Model |