1998 WQ4
1998WQ4, 2000 DO21, 2000DO21, 49347, J98W04Q, K00D21O
All data for this body: [vot]
MPC data
| Name (number) |
1998 WQ4 (49347) |
| a |
2.52704 |
| e |
0.27717 |
| i / sin(i) |
17.5437 /
0.30143
|
| q |
1.82663
|
| Q |
3.22746
|
| ω |
186.9018 |
| Node |
149.4659 |
| m |
261.6698 |
| n |
0.2454 |
| Epoch |
2460800.5 |
| nobs |
3858 |
| nopp |
21 |
| Years observed |
1998-2025 |
| rms |
0.65 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.524 |
|
| ep |
0.227 |
|
| sin(ip) |
0.262 |
|
| G |
0.150 |
|
| H |
14.280 |
|
| Mass |
|
|
| D |
3.51 |
0.450 |
| pV |
0.360 |
0.1950 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
8.059 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5243 |
0.2268 |
0.2617 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.51 |
0.450 |
0.450 |
Masiero |
2012ApJ...759L...8M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.360 |
0.1950 |
0.1950 |
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 |
| 14.28 |
|
|
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 |
|
0.370 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| S |
S |
0.9732 |
0.9732 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |