1989 SD4
1989SD4, 1989 TB4, 1989TB4, 2000 JZ28, 2000JZ28, 29162, J89S04D, J89T04B, K00J28Z
All data for this body: [vot]
MPC data
| Name (number) |
1989 SD4 (29162) |
| a |
2.57864 |
| e |
0.04250 |
| i / sin(i) |
15.1758 /
0.26178
|
| q |
2.46905
|
| Q |
2.68824
|
| ω |
97.6143 |
| Node |
34.1922 |
| m |
320.1686 |
| n |
0.2380 |
| Epoch |
2460200.5 |
| nobs |
3686 |
| nopp |
19 |
| Years observed |
1989-2023 |
| rms |
0.48 |
Best values
|
Value |
Standard error |
| Parent |
Maria (170) |
|
| |
|
|
| ap |
2.579 |
|
| ep |
0.085 |
|
| sin(ip) |
0.254 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.120 |
|
| Mass |
|
|
| D |
5.12 |
0.570 |
| pV |
0.223 |
0.0670 |
| Rotational Period |
6.505 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 170 |
Maria |
506 |
Maria |
0.2400 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5795 |
0.0845 |
0.2536 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.12 |
0.570 |
0.570 |
Masiero |
2012ApJ...759L...8M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.223 |
0.0670 |
0.0670 |
Masiero |
2012ApJ...759L...8M |
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 |
| 14.12 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 6.50 |
|
|
Waszczak |
2015AJ....150...75W |
Lightcurve |