5178 T-2

5178T-2, 1999 RL123, 1999RL123, 39431, J99RC3L, T2S5178

All data for this body: [vot]

MPC data
Name (number) 5178 T-2 (39431)
a 3.01570
e 0.06097
i / sin(i) 8.7135 / 0.15149
q 2.83183
Q 3.19956
ω 201.6063
Node 245.4704
m 235.0465
n 0.1882
Epoch 2460800.5
nobs 1718
nopp 21
Years observed 1973-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.015
ep 0.066
sin(ip) 0.169
G 0.150
H 14.190
Mass
D 5.79 0.540
pV 0.145 0.0410
Value
Rotational Period 9.530
Period quality 2
Spectral Class S
Spectral Class Score 5.222
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 -0.1100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0154 0.0663 0.1693 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.79 0.540 0.540 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.145 0.0410 0.0410 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
14.19 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.534 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
9.5378 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.8703 0.8703 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT