1998 YX21
1998YX21, 1980 PR3, 1980PR3, 74408, J80P03R, J98Y21X
All data for this body: [vot]
MPC data
| Name (number) |
1998 YX21 (74408) |
| a |
3.11037 |
| e |
0.19413 |
| i / sin(i) |
14.1823 /
0.24501
|
| q |
2.50657
|
| Q |
3.71418
|
| ω |
55.9826 |
| Node |
300.6779 |
| m |
286.3635 |
| n |
0.1797 |
| Epoch |
2460200.5 |
| nobs |
1898 |
| nopp |
19 |
| Years observed |
1980-2023 |
| rms |
0.56 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.106 |
|
| ep |
0.163 |
|
| sin(ip) |
0.268 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.980 |
|
| Mass |
|
|
| D |
5.42 |
1.295 |
| pV |
0.126 |
0.0743 |
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1064 |
0.1627 |
0.2675 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.42 |
1.295 |
1.295 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.126 |
0.0743 |
0.0743 |
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 |
| 13.98 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |