1998 HP123
1998HP123, 40012, J98HC3P
All data for this body: [vot]
MPC data
| Name (number) |
1998 HP123 (40012) |
| a |
2.54327 |
| e |
0.19199 |
| i / sin(i) |
8.9157 /
0.15498
|
| q |
2.05499
|
| Q |
3.03154
|
| ω |
142.3365 |
| Node |
98.5773 |
| m |
228.3695 |
| n |
0.2430 |
| Epoch |
2460800.5 |
| nobs |
1325 |
| nopp |
22 |
| Years observed |
1991-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.543 |
|
| ep |
0.200 |
|
| sin(ip) |
0.138 |
|
| G |
0.150 |
|
| H |
15.410 |
|
| Mass |
|
|
| D |
2.67 |
0.121 |
| pV |
0.171 |
0.0391 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5429 |
0.1999 |
0.1379 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.67 |
0.121 |
0.121 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.171 |
0.0391 |
0.0391 |
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 |
| 15.41 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |