2008HO21
2010OK20, d7777, K08H21O, K10O20K
All data for this body: [vot]
MPC data
| Name (number) |
2008HO21 (397777) |
| Packed designation |
d7777 |
| a |
3.17844 |
| e |
0.08540 |
| i / sin(i) |
15.7735 /
0.27184
|
| q |
2.90701
|
| Q |
3.44986
|
| ω |
145.6209 |
| Node |
197.6995 |
| m |
30.3147 |
| n |
0.1739 |
| Epoch |
2459600.5 |
| nobs |
203 |
| nopp |
10 |
| Years observed |
2004-2021 |
| rms |
0.66 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.183 |
|
| ep |
0.058 |
|
| sin(ip) |
0.275 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
16.180 |
|
| Mass |
|
|
| D |
4.16 |
0.357 |
| pV |
0.112 |
0.0269 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1835 |
0.0576 |
0.2754 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.16 |
0.357 |
0.357 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.112 |
0.0269 |
0.0269 |
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 |
| 16.18 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |