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 2.23948
e 0.18090
i / sin(i) 7.2999 / 0.12706
q 1.83435
Q 2.64461
ω 346.3625
Node 59.7421
m 51.8336
n 0.2941
Epoch 2460800.5
nobs 10935
nopp 27
Years observed 1947-2025
rms 0.44
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.239
ep 0.174
sin(ip) 0.111
G 0.150
H 13.120
Mass
D 7.38 0.060
pV 0.189 0.0141
Value
Rotational Period 3.840
Period quality 3-
Spectral Class S
Spectral Class Score 15.005
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-Nov-2024
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
13.12 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.8416 2 Sidereal Durech 2020A&A...643A..59D Model
3.842 3- Synodic Klinglesmith 2015MPBu...42..101K Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.196 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.94 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.7463 0.8060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9118 0.8060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT