1997YY1

1987SB11, 1991PP3, 28009, J87S11B, J91P03P, J97Y01Y

All data for this body: [vot]

MPC data
Name (number) 1997YY1 (28009)
Packed designation 28009
a 2.83610
e 0.14210
i / sin(i) 3.7419 / 0.06526
q 2.43309
Q 3.23911
ω 326.2387
Node 91.4625
m 47.6679
n 0.2064
Epoch 2459600.5
nobs 2037
nopp 21
Years observed 1987-2022
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.836
ep 0.121
sin(ip) 0.045
Value Standard error
G 0.150
H 13.850
Mass
D 5.90 0.464
pV 0.184 0.0184
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8357 0.1209 0.0446 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.90 0.464 0.464 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.184 0.0184 0.0184 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.85 MPC-2022-01-18 MPC-2022-01-18 Phot