Xi'an

02387, 1936 UE, 1936UE, 1949 FH1, 1949FH1, 1975 FX, 1975FX, 1976 KH1, 1976KH1, J36U00E, J49F01H, J75F00X, J76K01H

All data for this body: [vot]

MPC data
Name (number) Xi'an (2387)
a 3.02156
e 0.07563
i / sin(i) 10.9468 / 0.18990
q 2.79302
Q 3.25009
ω 42.9282
Node 53.0211
m 252.9159
n 0.1877
Epoch 2460800.5
nobs 8968
nopp 33
Years observed 1936-2025
rms 0.48
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.023
ep 0.077
sin(ip) 0.176
G 0.150
H 11.560
Mass
D 20.55 0.290
pV 0.134 0.0296
Value
Rotational Period 4.290
Period quality 2
Spectral Class S
Spectral Class Score 3.732
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.0900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0227 0.0774 0.1764 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.54 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
22.93 6.170 6.170 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.080 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.139 0.0310 0.0310 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
11.56 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.29776 2 Sidereal Durech 2023A&A...675A..24D Model
4.29781 2 Sidereal Durech 2020A&A...643A..59D Model
4.298 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Cgx Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.622 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT