1999 JJ20
1999JJ20, 2001 SJ44, 2001SJ44, 42809, J99J20J, K01S44J
All data for this body: [vot]
MPC data
| Name (number) |
1999 JJ20 (42809) |
| a |
3.35333 |
| e |
0.04319 |
| i / sin(i) |
11.8183 /
0.20481
|
| q |
3.20851
|
| Q |
3.49816
|
| ω |
220.1498 |
| Node |
33.7676 |
| m |
317.2172 |
| n |
0.1605 |
| Epoch |
2460200.5 |
| nobs |
2842 |
| nopp |
22 |
| Years observed |
1956-2023 |
| rms |
0.63 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.338 |
|
| ep |
0.097 |
|
| sin(ip) |
0.196 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
12.920 |
|
| Mass |
|
|
| D |
13.99 |
0.270 |
| pV |
0.082 |
0.0172 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.3383 |
0.0965 |
0.1963 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 13.99 |
0.270 |
0.270 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.082 |
0.0172 |
0.0172 |
Masiero |
2011ApJ...741...68M |
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 |
| 12.92 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |