1999 RK81
1999RK81, 1999 RP170, 1999RP170, 40499, J99R81K, J99RH0P
All data for this body: [vot]
MPC data
| Name (number) |
1999 RK81 (40499) |
| a |
2.52808 |
| e |
0.07437 |
| i / sin(i) |
2.9545 /
0.05154
|
| q |
2.34008
|
| Q |
2.71609
|
| ω |
205.9393 |
| Node |
171.6917 |
| m |
112.4449 |
| n |
0.2452 |
| Epoch |
2460800.5 |
| nobs |
1397 |
| nopp |
24 |
| Years observed |
1994-2025 |
| rms |
0.77 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.529 |
|
| ep |
0.023 |
|
| sin(ip) |
0.052 |
|
| G |
0.150 |
|
| H |
15.660 |
|
| Mass |
|
|
| D |
2.65 |
0.399 |
| pV |
0.191 |
0.0507 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
0.618 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5286 |
0.0228 |
0.0516 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.65 |
0.399 |
0.399 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.191 |
0.0507 |
0.0507 |
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 |
| 15.66 |
|
|
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 |
| D |
|
0.103 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |