2000SM221
1998DH2, 38923, J98D02H, K00SM1M
All data for this body: [vot]
MPC data
| Name (number) |
2000SM221 (38923) |
| Packed designation |
38923 |
| a |
2.66494 |
| e |
0.12423 |
| i / sin(i) |
11.0976 /
0.19248
|
| q |
2.33387
|
| Q |
2.99601
|
| ω |
259.5720 |
| Node |
87.5601 |
| m |
358.9260 |
| n |
0.2266 |
| Epoch |
2459600.5 |
| nobs |
1433 |
| nopp |
19 |
| Years observed |
1998-2021 |
| rms |
0.58 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.664 |
|
| ep |
0.083 |
|
| sin(ip) |
0.176 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.600 |
|
| Mass |
|
|
| D |
3.29 |
0.921 |
| pV |
0.310 |
0.2251 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6640 |
0.0834 |
0.1762 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.29 |
0.921 |
0.921 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.310 |
0.2251 |
0.2251 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 14.60 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |