Ruth

00798, 1880 JA, 1880JA, 1914 WH, 1914WH, 1917 KA, 1917KA, 1945 VJ, 1945VJ, 1955 SN, 1955SN, I80J00A, J14W00H, J17K00A, J45V00J, J55S00N

All data for this body: [vot]

MPC data
Name (number) Ruth (798)
a 3.01916
e 0.03493
i / sin(i) 9.2189 / 0.16021
q 2.91369
Q 3.12463
ω 51.3762
Node 214.1227
m 199.8335
n 0.1879
Epoch 2460800.5
nobs 7984
nopp 53
Years observed 1880-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.015
ep 0.064
sin(ip) 0.171
G 0.150
H 9.720
Mass
D 45.08 0.293
pV 0.144 0.0022
Value
Rotational Period 8.500
Period quality 3
Spectral Class T
Spectral Class Score 7.000
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 -0.8900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0146 0.0636 0.1712 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
39.35 1.322 1.322 Ryan&Woodward 2010AJ....140..933R IRAS-STM
40.53 8.110 8.110 Ali-Lagoa 2018A&A...612A..85A NEATM
43.19 2.900 2.900 Tedesco 2002AJ....123.1056T STM
44.49 0.469 0.469 Ryan&Woodward 2010AJ....140..933R MSX-STM
45.24 0.620 0.620 Usui 2011PASJ...63.1117U NEATM
46.46 0.521 0.521 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
51.13 5.110 5.110 Ali-Lagoa 2018A&A...612A..85A NEATM
51.52 3.370 3.370 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.108 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.120 0.0150 0.0150 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.137 0.0031 0.0031 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
0.149 0.0032 0.0032 Ryan&Woodward 2010AJ....140..933R MSX-STM
0.159 0.0240 0.0240 Tedesco 2002AJ....123.1056T STM
0.172 0.0690 0.0690 Ali-Lagoa 2018A&A...612A..85A NEATM
0.192 0.0130 0.0130 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
9.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.35 2 Synodic Dotto 1992A&AS...95..195D Lightcurve
8.53 3 Synodic Stephens 2003MPBu...30....1S Lightcurve
8.55 3 Synodic Behrend LCDB Lightcurve
8.55 3 Synodic Stephens LCDB Lightcurve
8.55068 2 Sidereal Hanus 2016A&A...586A.108H Model
8.5508 2 Sidereal Durech 2023A&A...675A..24D Model
8.552 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 Cgx None None Movis NIR Popescu 2018A&A...617A..12P PHOT
K 0.940000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 0.737 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
T Bus VISNIR MotheDiniz 2008Icar..195..277M SPEC