1998 XS20
1998XS20, 49389, J98X20S
All data for this body: [vot]
MPC data
| Name (number) |
1998 XS20 (49389) |
| a |
2.74668 |
| e |
0.24887 |
| i / sin(i) |
15.8288 /
0.27276
|
| q |
2.06312
|
| Q |
3.43024
|
| ω |
338.8321 |
| Node |
289.9509 |
| m |
13.8110 |
| n |
0.2165 |
| Epoch |
2460200.5 |
| nobs |
2709 |
| nopp |
20 |
| Years observed |
1998-2023 |
| rms |
0.60 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.751 |
|
| ep |
0.262 |
|
| sin(ip) |
0.279 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.040 |
|
| Mass |
|
|
| D |
6.62 |
0.033 |
| pV |
0.306 |
0.0292 |
| Rotational Period |
7.138 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7510 |
0.2620 |
0.2786 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 6.62 |
0.033 |
0.033 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.306 |
0.0292 |
0.0292 |
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 |
| 13.04 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 7.14 |
|
|
Waszczak |
2015AJ....150...75W |
Lightcurve |