1999 NB28
1999NB28, 1998 HR131, 1998HR131, 38221, J98HD1R, J99N28B
All data for this body: [vot]
MPC data
| Name (number) |
1999 NB28 (38221) |
| a |
2.61427 |
| e |
0.15759 |
| i / sin(i) |
5.5636 /
0.09695
|
| q |
2.20230
|
| Q |
3.02623
|
| ω |
263.3258 |
| Node |
77.6676 |
| m |
5.0272 |
| n |
0.2332 |
| Epoch |
2460800.5 |
| nobs |
1376 |
| nopp |
22 |
| Years observed |
1998-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.616 |
|
| ep |
0.101 |
|
| sin(ip) |
0.084 |
|
| G |
0.150 |
|
| H |
14.970 |
|
| Mass |
|
|
| D |
4.04 |
0.916 |
| pV |
0.326 |
0.1643 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6156 |
0.1010 |
0.0836 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.04 |
0.916 |
0.916 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.326 |
0.1643 |
0.1643 |
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 |
| 14.97 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |