1999 RD171
1999RD171, G4823, J99RH1D
All data for this body: [vot]
MPC data
| Name (number) |
1999 RD171 (164823) |
| a |
2.55676 |
| e |
0.21719 |
| i / sin(i) |
2.1789 /
0.03802
|
| q |
2.00146
|
| Q |
3.11207
|
| ω |
214.3684 |
| Node |
142.1466 |
| m |
94.5591 |
| n |
0.2411 |
| Epoch |
2460800.5 |
| nobs |
239 |
| nopp |
15 |
| Years observed |
1995-2025 |
| rms |
0.91 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.555 |
|
| ep |
0.167 |
|
| sin(ip) |
0.027 |
|
| G |
0.150 |
|
| H |
16.830 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
0.752 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5554 |
0.1665 |
0.0274 |
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 |
| 16.83 |
|
|
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 |
| V |
V |
0.1253 |
0.1253 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |