1997 YY1
1997YY1, 1987 SB11, 1987SB11, 1991 PP3, 1991PP3, 28009, J87S11B, J91P03P, J97Y01Y
All data for this body: [vot]
MPC data
| Name (number) |
1997 YY1 (28009) |
| a |
2.83656 |
| e |
0.14244 |
| i / sin(i) |
3.7419 /
0.06526
|
| q |
2.43251
|
| Q |
3.24060
|
| ω |
326.3779 |
| Node |
91.4457 |
| m |
171.2879 |
| n |
0.2063 |
| Epoch |
2460200.5 |
| nobs |
2436 |
| nopp |
22 |
| Years observed |
1987-2023 |
| rms |
0.65 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.836 |
|
| ep |
0.121 |
|
| sin(ip) |
0.045 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.960 |
|
| Mass |
|
|
| D |
5.90 |
0.464 |
| pV |
0.184 |
0.0184 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8357 |
0.1209 |
0.0446 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.90 |
0.464 |
0.464 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.184 |
0.0184 |
0.0184 |
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 |
| 13.96 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |