1998 UJ21
1998UJ21, 2000 AW116, 2000AW116, 44446, J98U21J, K00AB6W
All data for this body: [vot]
MPC data
| Name (number) |
1998 UJ21 (44446) |
| a |
2.75366 |
| e |
0.14066 |
| i / sin(i) |
7.3997 /
0.12879
|
| q |
2.36635
|
| Q |
3.14098
|
| ω |
102.4303 |
| Node |
237.8746 |
| m |
189.2407 |
| n |
0.2157 |
| Epoch |
2460200.5 |
| nobs |
1709 |
| nopp |
19 |
| Years observed |
1998-2023 |
| rms |
0.65 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.754 |
|
| ep |
0.101 |
|
| sin(ip) |
0.147 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.480 |
|
| Mass |
|
|
| D |
3.90 |
1.743 |
| pV |
0.243 |
0.1146 |
| Rotational Period |
32.075 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7540 |
0.1012 |
0.1474 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.90 |
1.743 |
1.743 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.243 |
0.1146 |
0.1146 |
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 |
| 14.48 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 32.07 |
|
|
Pal |
2020ApJS..247...26P |
Lightcurve |