1999HP9
1987UV8, 1987WV5, 1991RG34, 29903, J87U08V, J87W05V, J91R34G, J99H09P
All data for this body: [vot]
MPC data
| Name (number) |
1999HP9 (29903) |
| Packed designation |
29903 |
| a |
2.84057 |
| e |
0.11987 |
| i / sin(i) |
8.6492 /
0.15038
|
| q |
2.50006
|
| Q |
3.18108
|
| ω |
209.9710 |
| Node |
213.2625 |
| m |
44.9403 |
| n |
0.2059 |
| Epoch |
2459600.5 |
| nobs |
2642 |
| nopp |
20 |
| Years observed |
1987-2022 |
| rms |
0.61 |
Best values
|
Value |
Standard error |
| Parent |
1993FY12 (18405) |
|
| |
|
|
| ap |
2.840 |
|
| ep |
0.106 |
|
| sin(ip) |
0.160 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.100 |
|
| Mass |
|
|
| D |
8.63 |
0.165 |
| pV |
0.180 |
0.0160 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 18405 |
1993FY12 |
615 |
1993FY12 |
-1.3000 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8401 |
0.1063 |
0.1595 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 8.63 |
0.165 |
0.165 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.180 |
0.0160 |
0.0160 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 13.10 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |