Yan'an

02693, 1937 WE, 1937WE, 1947 XA, 1947XA, 1967 UF, 1967UF, 1977 VM1, 1977VM1, 2014 YU49, 2014YU49, J37W00E, J47X00A, J67U00F, J77V01M, K14Y49U

All data for this body: [vot]

MPC data
Name (number) Yan'an (2693)
a 2.23939
e 0.18054
i / sin(i) 7.3010 / 0.12708
q 1.83508
Q 2.64370
ω 346.3899
Node 59.7459
m 235.3412
n 0.2941
Epoch 2460200.5
nobs 9909
nopp 26
Years observed 1947-2023
rms 0.32
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.239
ep 0.174
sin(ip) 0.111
Value Standard error
G 0.150
H 13.160
Mass
D 7.38 0.060
pV 0.189 0.0141
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2394 0.1740 0.1107 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.97 0.190 0.190 Masiero 2014ApJ...791..121M NEATM
7.02 0.170 0.170 Nugent 2016AJ....152...63N NEATM
7.25 0.330 0.330 Masiero 2012ApJ...759L...8M NEATM
7.50 0.069 0.069 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.198 0.0306 0.0306 Masiero 2011ApJ...741...68M NEATM
0.230 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.232 0.0340 0.0340 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.16 MPC-2023-12-04 MPC-2023-12-04 Phot