1999 RD186
1999RD186, 1998 HL40, 1998HL40, 44674, J98H40L, J99RI6D
All data for this body: [vot]
MPC data
| Name (number) |
1999 RD186 (44674) |
| a |
2.19181 |
| e |
0.05463 |
| i / sin(i) |
2.7814 /
0.04852
|
| q |
2.07206
|
| Q |
2.31155
|
| ω |
340.8947 |
| Node |
137.5034 |
| m |
198.9641 |
| n |
0.3037 |
| Epoch |
2460800.5 |
| nobs |
1798 |
| nopp |
20 |
| Years observed |
1993-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.192 |
|
| ep |
0.109 |
|
| sin(ip) |
0.050 |
|
| G |
0.150 |
|
| H |
15.940 |
|
| Mass |
|
|
| D |
1.90 |
0.286 |
| pV |
0.373 |
0.1283 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1918 |
0.1086 |
0.0499 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.90 |
0.286 |
0.286 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.373 |
0.1283 |
0.1283 |
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 |
| 15.94 |
|
|
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 |
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |