Zhangnelson
1990 TX9, 1990TX9, 1999 XO221, 1999XO221, 25584, J90T09X, J99XM1O
All data for this body: [vot]
MPC data
| Name (number) |
Zhangnelson (25584) |
| a |
2.63817 |
| e |
0.05814 |
| i / sin(i) |
3.3295 /
0.05808
|
| q |
2.48478
|
| Q |
2.79155
|
| ω |
134.0222 |
| Node |
328.1968 |
| m |
308.3964 |
| n |
0.2300 |
| Epoch |
2460800.5 |
| nobs |
1533 |
| nopp |
20 |
| Years observed |
1990-2025 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.639 |
|
| ep |
0.075 |
|
| sin(ip) |
0.067 |
|
| G |
0.150 |
|
| H |
15.080 |
|
| Mass |
|
|
| D |
3.97 |
0.282 |
| pV |
0.135 |
0.0233 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6387 |
0.0755 |
0.0673 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.97 |
0.282 |
0.282 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.135 |
0.0233 |
0.0233 |
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 |
| 15.08 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |