1999 WR4
1999WR4, 2001 EE2, 2001EE2, 97185, J99W04R, K01E02E
All data for this body: [vot]
MPC data
| Name (number) |
1999 WR4 (97185) |
| a |
2.97235 |
| e |
0.04962 |
| i / sin(i) |
11.2946 /
0.19585
|
| q |
2.82486
|
| Q |
3.11984
|
| ω |
330.4372 |
| Node |
57.9348 |
| m |
26.9575 |
| n |
0.1923 |
| Epoch |
2460800.5 |
| nobs |
1810 |
| nopp |
21 |
| Years observed |
1999-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.972 |
|
| ep |
0.019 |
|
| sin(ip) |
0.181 |
|
| G |
0.150 |
|
| H |
14.430 |
|
| Mass |
|
|
| D |
4.84 |
0.245 |
| pV |
0.190 |
0.0522 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9721 |
0.0188 |
0.1806 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.84 |
0.245 |
0.245 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.190 |
0.0522 |
0.0522 |
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 |
| 14.43 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |