1999 VR81
1999VR81, 2000 XE38, 2000XE38, 43055, J99V81R, K00X38E
All data for this body: [vot]
MPC data
| Name (number) |
1999 VR81 (43055) |
| a |
2.70228 |
| e |
0.03583 |
| i / sin(i) |
15.6093 /
0.26908
|
| q |
2.60546
|
| Q |
2.79909
|
| ω |
22.5201 |
| Node |
27.6279 |
| m |
243.2325 |
| n |
0.2219 |
| Epoch |
2460800.5 |
| nobs |
1396 |
| nopp |
22 |
| Years observed |
1993-2025 |
| rms |
0.79 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.702 |
|
| ep |
0.039 |
|
| sin(ip) |
0.263 |
|
| G |
0.150 |
|
| H |
14.780 |
|
| Mass |
|
|
| D |
2.80 |
0.490 |
| pV |
0.358 |
0.0754 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
3.716 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7017 |
0.0390 |
0.2626 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.80 |
0.490 |
0.490 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.358 |
0.0754 |
0.0754 |
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 |
| 14.78 |
|
|
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 |
| S |
S |
0.6194 |
0.6194 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |