1999 XX18
1999XX18, 43101, J99X18X
All data for this body: [vot]
MPC data
| Name (number) |
1999 XX18 (43101) |
| a |
2.29298 |
| e |
0.22671 |
| i / sin(i) |
6.6243 /
0.11536
|
| q |
1.77313
|
| Q |
2.81284
|
| ω |
227.6926 |
| Node |
203.1722 |
| m |
87.1820 |
| n |
0.2839 |
| Epoch |
2460800.5 |
| nobs |
2377 |
| nopp |
21 |
| Years observed |
1991-2025 |
| rms |
0.77 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.267 |
|
| ep |
0.227 |
|
| sin(ip) |
0.126 |
|
| G |
0.150 |
|
| H |
15.270 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
3.970 |
| Period quality |
2 |
| Spectral Class |
S |
| Spectral Class Score |
5.938 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2668 |
0.2271 |
0.1259 |
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 |
| 15.27 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 3.974 |
2 |
Synodic |
Waszczak |
2015AJ....150...75W |
Lightcurve |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
S |
0.4383 |
0.1470 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| S |
S |
0.5514 |
0.1470 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |