Urrutia

04761, 1981 QC, 1981QC, J81Q00C

All data for this body: [vot]

MPC data
Name (number) Urrutia (4761)
a 2.33984
e 0.21613
i / sin(i) 25.5713 / 0.43163
q 1.83412
Q 2.84556
ω 332.8105
Node 65.9610
m 42.0801
n 0.2754
Epoch 2460800.5
nobs 6660
nopp 22
Years observed 1981-2025
rms 0.47
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.339
ep 0.221
sin(ip) 0.406
G 0.150
H 14.230
Mass
D 3.73 0.860
pV 0.383 0.2240
Value
Rotational Period 5.090
Period quality 2
Spectral Class S
Spectral Class Score 9.950
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
6065 Chesneau -1 Chesneau -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.5500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3393 0.2205 0.4055 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.73 0.860 0.860 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.383 0.2240 0.2240 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
14.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.0907 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 Tholen VIS Xu 1995Icar..115....1X SPEC
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC