1999 TD174
1999TD174, 1990 QY6, 1990QY6, 42970, J90Q06Y, J99TH4D
All data for this body: [vot]
MPC data
| Name (number) |
1999 TD174 (42970) |
| a |
2.62628 |
| e |
0.10580 |
| i / sin(i) |
3.6198 /
0.06313
|
| q |
2.34842
|
| Q |
2.90414
|
| ω |
161.6429 |
| Node |
135.1584 |
| m |
312.4542 |
| n |
0.2316 |
| Epoch |
2460200.5 |
| nobs |
1545 |
| nopp |
21 |
| Years observed |
1990-2023 |
| rms |
0.68 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.626 |
|
| ep |
0.101 |
|
| sin(ip) |
0.051 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.130 |
|
| Mass |
|
|
| D |
2.83 |
0.556 |
| pV |
0.266 |
0.0881 |
| Rotational Period |
18.460 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6263 |
0.1005 |
0.0508 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.83 |
0.556 |
0.556 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.266 |
0.0881 |
0.0881 |
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 |
| 15.13 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 18.46 |
|
|
Chang |
2015ApJS..219...27C |
Lightcurve |