1978 RG9
1978RG9, 1999 RW110, 1999RW110, 39469, J78R09G, J99RB0W
All data for this body: [vot]
MPC data
| Name (number) |
1978 RG9 (39469) |
| a |
2.57489 |
| e |
0.14985 |
| i / sin(i) |
10.7211 /
0.18603
|
| q |
2.18905
|
| Q |
2.96073
|
| ω |
297.1667 |
| Node |
340.2897 |
| m |
158.0622 |
| n |
0.2385 |
| Epoch |
2460800.5 |
| nobs |
1608 |
| nopp |
21 |
| Years observed |
1978-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.573 |
|
| ep |
0.140 |
|
| sin(ip) |
0.197 |
|
| G |
0.150 |
|
| H |
14.920 |
|
| Mass |
|
|
| D |
3.53 |
0.147 |
| pV |
0.225 |
0.0525 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
17.030 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5734 |
0.1402 |
0.1973 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.53 |
0.147 |
0.147 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.225 |
0.0525 |
0.0525 |
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 |
| 14.92 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |