2001 EG21

2001EG21, 1994 GN6, 1994GN6, 1998 XZ84, 1998XZ84, 2000 AZ182, 2000AZ182, 42237, J94G06N, J98X84Z, K00AI2Z, K01E21G

All data for this body: [vot]

MPC data
Name (number) 2001 EG21 (42237)
a 3.97283
e 0.12754
i / sin(i) 9.0399 / 0.15712
q 3.46613
Q 4.47954
ω 108.5680
Node 199.4529
m 251.1948
n 0.1245
Epoch 2460800.5
nobs 2754
nopp 26
Years observed 1994-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Hilda (153)
 
ap 3.962
ep 0.128
sin(ip) 0.162
G 0.150
H 12.460
Mass
D 18.14 0.245
pV 0.064 0.0084
Value
Rotational Period 6.300
Period quality 2+
Spectral Class C
Spectral Class Score 4.890
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
153 Hilda 1 Hilda Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9624 0.1282 0.1616 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.99 0.290 0.290 Grav 2012ApJ...744..197G NEATM
18.51 0.460 0.460 Grav 2012ApJ...744..197G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.062 0.0110 0.0110 Grav 2012ApJ...744..197G NEATM
0.066 0.0130 0.0130 Grav 2012ApJ...744..197G 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
12.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.38 2+ Synodic Warner 2018MPBu...45..390W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.815 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Kl Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.8107 0.8107 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT