1999 RW181
1999RW181, 2001 AA7, 2001AA7, 40642, J99RI1W, K01A07A
All data for this body: [vot]
MPC data
| Name (number) |
1999 RW181 (40642) |
| a |
2.81365 |
| e |
0.09331 |
| i / sin(i) |
2.4162 /
0.04216
|
| q |
2.55111
|
| Q |
3.07619
|
| ω |
256.5325 |
| Node |
157.9290 |
| m |
102.6064 |
| n |
0.2088 |
| Epoch |
2460800.5 |
| nobs |
1432 |
| nopp |
21 |
| Years observed |
1992-2025 |
| rms |
0.83 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.815 |
|
| ep |
0.074 |
|
| sin(ip) |
0.037 |
|
| G |
0.150 |
|
| H |
15.110 |
|
| Mass |
|
|
| D |
3.17 |
0.609 |
| pV |
0.212 |
0.0549 |
|
Value |
| Rotational Period |
4.856 |
| Period quality |
2 |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8150 |
0.0736 |
0.0367 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.17 |
0.609 |
0.609 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.212 |
0.0549 |
0.0549 |
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 |
| 15.11 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 4.856372 |
2 |
Sidereal |
Durech |
2018A&A...617A..57D |
Model |