1999GK21
17071, 1976GC1, 1976GC4, 1987BJ3, 1996QQ2, 1997WH47, J76G01C, J76G04C, J87B03J, J96Q02Q, J97W47H, J99G21K
All data for this body: [vot]
MPC data
| Name (number) |
1999GK21 (17071) |
| Packed designation |
17071 |
| a |
2.43725 |
| e |
0.16464 |
| i / sin(i) |
4.3169 /
0.07527
|
| q |
2.03598
|
| Q |
2.83851
|
| ω |
20.9262 |
| Node |
179.1110 |
| m |
2.5841 |
| n |
0.2590 |
| Epoch |
2459600.5 |
| nobs |
1957 |
| nopp |
22 |
| Years observed |
1976-2022 |
| rms |
0.65 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.437 |
|
| ep |
0.199 |
|
| sin(ip) |
0.074 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.220 |
|
| Mass |
|
|
| D |
4.28 |
0.054 |
| pV |
0.291 |
0.0311 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4372 |
0.1993 |
0.0739 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.28 |
0.054 |
0.054 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.291 |
0.0311 |
0.0311 |
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 |
| 14.22 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |