Astrakhan

1977 EK2, 1977EK2, 1993 BB7, 1993BB7, 1999 GO17, 1999GO17, 27789, J77E02K, J93B07B, J99G17O

All data for this body: [vot]

MPC data
Name (number) Astrakhan (27789)
a 3.07227
e 0.04675
i / sin(i) 10.3717 / 0.18003
q 2.92863
Q 3.21592
ω 328.5389
Node 151.8977
m 10.7167
n 0.1830
Epoch 2460800.5
nobs 4130
nopp 24
Years observed 1977-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.072
ep 0.072
sin(ip) 0.169
G 0.150
H 12.790
Mass
D 9.42 0.073
pV 0.211 0.0174
Value
Rotational Period 2.600
Period quality 1
Spectral Class S
Spectral Class Score 11.795
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos 1.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0717 0.0723 0.1688 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.36 0.092 0.092 Masiero 2011ApJ...741...68M NEATM
9.52 0.120 0.120 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.200 0.0191 0.0191 Masiero 2011ApJ...741...68M NEATM
0.266 0.0426 0.0426 Masiero 2011ApJ...741...68M 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
12.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.609 1 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
D S 0.2637 0.2710 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K S 0.4067 0.2710 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.11 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.187 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5697 0.2710 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8758 0.2710 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.9640 0.2710 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.2200 0.2710 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT