Somerville

05771, 1982 YY1, 1982YY1, 1987 ST1, 1987ST1, 1989 BG1, 1989BG1, J82Y01Y, J87S01T, J89B01G

All data for this body: [vot]

MPC data
Name (number) Somerville (5771)
a 3.14160
e 0.21622
i / sin(i) 8.2657 / 0.14376
q 2.46232
Q 3.82089
ω 103.4551
Node 287.8565
m 269.1144
n 0.1770
Epoch 2460800.5
nobs 4576
nopp 27
Years observed 1982-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Lixiaohua (3556)
 
ap 3.128
ep 0.191
sin(ip) 0.171
G 0.150
H 12.450
Mass
D 28.24 0.254
pV 0.029 0.0010
Value
Rotational Period 9.000
Period quality 2+
Spectral Class X
Spectral Class Score 23.268
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
3556 Lixiaohua 0 Lixiaohua Novakovic 2019EPSC...13.1671N HCM
3556 Lixiaohua 613 Lixiaohua -3.6200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1284 0.1914 0.1712 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
22.83 1.700 1.700 Tedesco 2002AJ....123.1056T STM
23.57 8.760 8.760 Masiero 2021PSJ.....2..162M NEATM
24.56 7.650 7.650 Masiero 2021PSJ.....2..162M NEATM
24.90 6.970 6.970 Nugent 2016AJ....152...63N NEATM
25.54 6.141 6.141 Masiero 2017AJ....154..168M NEATM
28.02 5.600 5.600 Ali-Lagoa 2018A&A...612A..85A NEATM
28.31 0.260 0.260 Masiero 2012ApJ...759L...8M NEATM
33.60 2.180 2.180 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.027 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.029 0.0010 0.0010 Masiero 2012ApJ...759L...8M NEATM
0.032 0.0155 0.0155 Masiero 2017AJ....154..168M NEATM
0.036 0.0150 0.0260 Masiero 2021PSJ.....2..162M NEATM
0.037 0.0060 0.0060 Tedesco 2002AJ....123.1056T STM
0.040 0.0190 0.0360 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0800 0.0800 Nugent 2016AJ....152...63N 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
12.45 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.2 2+ Synodic Warner 2012MPBu...39..158W Lightcurve
9.22603 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
V 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus-DeMeo VISNIR De Pra 2020Icar..33813473D SPEC
X 0.378 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT