1999 XH20
1999XH20, 2000 XF50, 2000XF50, 70970, J99X20H, K00X50F
All data for this body: [vot]
MPC data
| Name (number) |
1999 XH20 (70970) |
| a |
2.66564 |
| e |
0.05396 |
| i / sin(i) |
9.1801 /
0.15954
|
| q |
2.52182
|
| Q |
2.80947
|
| ω |
86.9077 |
| Node |
57.5107 |
| m |
72.9400 |
| n |
0.2265 |
| Epoch |
2460200.5 |
| nobs |
2458 |
| nopp |
18 |
| Years observed |
1999-2023 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.665 |
|
| ep |
0.081 |
|
| sin(ip) |
0.146 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.010 |
|
| Mass |
|
|
| D |
4.49 |
0.168 |
| pV |
0.264 |
0.0568 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6653 |
0.0814 |
0.1461 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.49 |
0.168 |
0.168 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.264 |
0.0568 |
0.0568 |
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 |
| 14.01 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 9.85 |
|
|
Waszczak |
2015AJ....150...75W |
Lightcurve |