Ngqin
1998 HX76, 1998HX76, 1999 VW31, 1999VW31, 1999 XA229, 1999XA229, 28416, J98H76X, J99V31W, J99XM9A
All data for this body: [vot]
MPC data
| Name (number) |
Ngqin (28416) |
| a |
2.26267 |
| e |
0.15943 |
| i / sin(i) |
3.1400 /
0.05477
|
| q |
1.90194
|
| Q |
2.62340
|
| ω |
276.2428 |
| Node |
44.5378 |
| m |
247.3695 |
| n |
0.2896 |
| Epoch |
2460800.5 |
| nobs |
1155 |
| nopp |
20 |
| Years observed |
1992-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.263 |
|
| ep |
0.116 |
|
| sin(ip) |
0.046 |
|
| G |
0.150 |
|
| H |
16.210 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
2.802 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2632 |
0.1156 |
0.0464 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 16.21 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| L |
|
0.467 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |