Ildo

09077, 1981 QA4, 1981QA4, 1994 NC, 1994NC, J81Q04A, J94N00C

All data for this body: [vot]

MPC data
Name (number) Ildo (9077)
a 2.68986
e 0.17500
i / sin(i) 11.9690 / 0.20738
q 2.21913
Q 3.16059
ω 237.5550
Node 165.4635
m 273.4211
n 0.2234
Epoch 2460800.5
nobs 6514
nopp 28
Years observed 1981-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.689
ep 0.153
sin(ip) 0.204
G 0.150
H 13.590
Mass
D 4.87 0.170
pV 0.428 0.0823
Value
Rotational Period 15.320
Period quality 2
Spectral Class S
Spectral Class Score 12.167
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6888 0.1527 0.2040 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.87 0.170 0.170 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.428 0.0823 0.0823 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
13.59 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.323 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
LS 0.63 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.6945 0.6945 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT