1998 XB81
1998XB81, 2000 HP4, 2000HP4, 2001 RN44, 2001RN44, 85835, J98X81B, K00H04P, K01R44N
All data for this body: [vot]
MPC data
| Name (number) |
1998 XB81 (85835) |
| a |
2.13712 |
| e |
0.15557 |
| i / sin(i) |
3.3026 /
0.05761
|
| q |
1.80466
|
| Q |
2.46959
|
| ω |
266.4933 |
| Node |
95.7590 |
| m |
222.9430 |
| n |
0.3155 |
| Epoch |
2460800.5 |
| nobs |
1303 |
| nopp |
21 |
| Years observed |
1995-2025 |
| rms |
0.79 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.137 |
|
| ep |
0.096 |
|
| sin(ip) |
0.046 |
|
| G |
0.150 |
|
| H |
16.540 |
|
| Mass |
|
|
| D |
1.46 |
0.161 |
| pV |
0.275 |
0.0537 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1371 |
0.0957 |
0.0465 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.46 |
0.161 |
0.161 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.275 |
0.0537 |
0.0537 |
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 |
| 16.54 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |