1998 SD90
1998SD90, 2003 QJ48, 2003QJ48, F9397, J98S90D, K03Q48J
All data for this body: [vot]
MPC data
| Name (number) |
1998 SD90 (159397) |
| a |
2.98950 |
| e |
0.11610 |
| i / sin(i) |
10.0960 /
0.17530
|
| q |
2.64242
|
| Q |
3.33658
|
| ω |
200.3712 |
| Node |
203.5735 |
| m |
19.1263 |
| n |
0.1907 |
| Epoch |
2460800.5 |
| nobs |
871 |
| nopp |
20 |
| Years observed |
1993-2025 |
| rms |
0.74 |
Best values
|
Value |
Standard error |
| Parent |
Eos (221) |
|
| |
|
|
| ap |
2.989 |
|
| ep |
0.091 |
|
| sin(ip) |
0.180 |
|
| G |
0.150 |
|
| H |
15.150 |
|
| Mass |
|
|
| D |
3.85 |
0.999 |
| pV |
0.131 |
0.0479 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.233 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9893 |
0.0912 |
0.1800 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.85 |
0.999 |
0.999 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.131 |
0.0479 |
0.0479 |
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 |
| 15.15 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
S |
0.3190 |
0.4620 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| S |
S |
0.5531 |
0.4620 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| XL |
|
0.14 |
|
Bus |
VIS |
Carvano |
2010A&A...510A..43C |
PHOT |