1998 QL87
1998QL87, 1999 XC250, 1999XC250, 44291, J98Q87L, J99XP0C
All data for this body: [vot]
MPC data
| Name (number) |
1998 QL87 (44291) |
| a |
2.73585 |
| e |
0.17237 |
| i / sin(i) |
10.7398 /
0.18635
|
| q |
2.26427
|
| Q |
3.20743
|
| ω |
78.5810 |
| Node |
220.0638 |
| m |
227.2877 |
| n |
0.2178 |
| Epoch |
2460200.5 |
| nobs |
2096 |
| nopp |
20 |
| Years observed |
1998-2023 |
| rms |
0.60 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.736 |
|
| ep |
0.149 |
|
| sin(ip) |
0.202 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.360 |
|
| Mass |
|
|
| D |
3.92 |
0.730 |
| pV |
0.288 |
0.1202 |
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7363 |
0.1492 |
0.2024 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.92 |
0.730 |
0.730 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.288 |
0.1202 |
0.1202 |
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 |
| 14.36 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |