1999 EQ4

1999EQ4, 15498, 1994 GP10, 1994GP10, J94G10P, J99E04Q

All data for this body: [vot]

MPC data
Name (number) 1999 EQ4 (15498)
a 3.01458
e 0.06364
i / sin(i) 9.6960 / 0.16842
q 2.82272
Q 3.20643
ω 255.9808
Node 190.5720
m 91.3473
n 0.1883
Epoch 2460800.5
nobs 4385
nopp 25
Years observed 1993-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.015
ep 0.069
sin(ip) 0.172
G 0.150
H 12.580
Mass
D 10.60 0.103
pV 0.181 0.0206
Value
Rotational Period 34.570
Period quality 2
Spectral Class C
Spectral Class Score 1.518
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 -0.2300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0149 0.0688 0.1721 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.51 0.130 0.130 Masiero 2011ApJ...741...68M NEATM
10.74 0.170 0.170 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.175 0.0338 0.0338 Masiero 2011ApJ...741...68M NEATM
0.184 0.0260 0.0260 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
12.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.738 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
34.579 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
C 0.253 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT