1998 XL50
1998XL50, 1977 DW2, 1977DW2, 49408, J77D02W, J98X50L
All data for this body: [vot]
MPC data
| Name (number) |
1998 XL50 (49408) |
| a |
2.72061 |
| e |
0.08299 |
| i / sin(i) |
3.5741 /
0.06234
|
| q |
2.49482
|
| Q |
2.94641
|
| ω |
316.3428 |
| Node |
75.7730 |
| m |
14.7534 |
| n |
0.2196 |
| Epoch |
2460800.5 |
| nobs |
2380 |
| nopp |
22 |
| Years observed |
1977-2025 |
| rms |
0.77 |
Best values
|
Value |
Standard error |
| Parent |
Henan (2085) |
|
| |
|
|
| ap |
2.721 |
|
| ep |
0.052 |
|
| sin(ip) |
0.045 |
|
| G |
0.150 |
|
| H |
14.500 |
|
| Mass |
|
|
| D |
4.30 |
1.240 |
| pV |
0.200 |
0.1844 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
5.988 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 2085 |
Henan |
532 |
Henan |
0.4400 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7209 |
0.0517 |
0.0452 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.30 |
1.240 |
1.240 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.200 |
0.1844 |
0.1844 |
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 |
| 14.50 |
|
|
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 |
| C |
|
0.998 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| S |
S |
0.9447 |
0.9447 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |