1998 HW120
1998HW120, 1999 RP233, 1999RP233, 69720, J98HC0W, J99RN3P
All data for this body: [vot]
MPC data
| Name (number) |
1998 HW120 (69720) |
| a |
2.35415 |
| e |
0.01700 |
| i / sin(i) |
8.7957 /
0.15291
|
| q |
2.31412
|
| Q |
2.39417
|
| ω |
294.0997 |
| Node |
109.7544 |
| m |
346.1835 |
| n |
0.2729 |
| Epoch |
2460800.5 |
| nobs |
1978 |
| nopp |
21 |
| Years observed |
1998-2025 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.355 |
|
| ep |
0.041 |
|
| sin(ip) |
0.143 |
|
| G |
0.150 |
|
| H |
15.350 |
|
| Mass |
|
|
| D |
2.33 |
0.305 |
| pV |
0.356 |
0.1413 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3546 |
0.0409 |
0.1431 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.33 |
0.305 |
0.305 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.356 |
0.1413 |
0.1413 |
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 |
| 15.35 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |