1999 XK72
1999XK72, 1990 RD4, 1990RD4, 43131, J90R04D, J99X72K
All data for this body: [vot]
MPC data
| Name (number) |
1999 XK72 (43131) |
| a |
2.61840 |
| e |
0.16905 |
| i / sin(i) |
0.9889 /
0.01726
|
| q |
2.17576
|
| Q |
3.06104
|
| ω |
144.1196 |
| Node |
207.5491 |
| m |
68.7386 |
| n |
0.2326 |
| Epoch |
2460800.5 |
| nobs |
1731 |
| nopp |
21 |
| Years observed |
1997-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.617 |
|
| ep |
0.125 |
|
| sin(ip) |
0.034 |
|
| G |
0.150 |
|
| H |
15.160 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
5.160 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6166 |
0.1254 |
0.0335 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 15.16 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| D |
S |
0.0135 |
0.0720 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| L |
|
0.860 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| S |
S |
0.1574 |
0.0720 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |