1998 TR1
1998TR1, 1999 XR21, 1999XR21, 40228, J98T01R, J99X21R
All data for this body: [vot]
MPC data
| Name (number) |
1998 TR1 (40228) |
| a |
2.69447 |
| e |
0.22820 |
| i / sin(i) |
12.7316 /
0.22038
|
| q |
2.07958
|
| Q |
3.30935
|
| ω |
179.6832 |
| Node |
115.8873 |
| m |
254.1670 |
| n |
0.2228 |
| Epoch |
2460200.5 |
| nobs |
1586 |
| nopp |
21 |
| Years observed |
1990-2023 |
| rms |
0.67 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.695 |
|
| ep |
0.219 |
|
| sin(ip) |
0.191 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.260 |
|
| Mass |
|
|
| D |
3.67 |
0.248 |
| pV |
0.329 |
0.0543 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6952 |
0.2190 |
0.1913 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.67 |
0.248 |
0.248 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.329 |
0.0543 |
0.0543 |
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 |
| 14.26 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |