1999 XV21
1999XV21, 2002 PO128, 2002PO128, 80265, J99X21V, K02PC8O
All data for this body: [vot]
MPC data
| Name (number) |
1999 XV21 (80265) |
| a |
2.37080 |
| e |
0.20971 |
| i / sin(i) |
11.4072 /
0.19778
|
| q |
1.87364
|
| Q |
2.86797
|
| ω |
303.9552 |
| Node |
126.5403 |
| m |
13.9056 |
| n |
0.2700 |
| Epoch |
2460800.5 |
| nobs |
1769 |
| nopp |
17 |
| Years observed |
1999-2025 |
| rms |
0.77 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.371 |
|
| ep |
0.218 |
|
| sin(ip) |
0.191 |
|
| G |
0.150 |
|
| H |
15.350 |
|
| Mass |
|
|
| D |
3.38 |
0.990 |
| pV |
0.148 |
0.0990 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3706 |
0.2177 |
0.1907 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.38 |
0.990 |
0.990 |
Masiero |
2020PSJ.....1....5M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.148 |
0.0990 |
0.0990 |
Masiero |
2020PSJ.....1....5M |
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 |