2001 DE21

2001DE21, 1999 XO196, 1999XO196, 42196, J99XJ6O, K01D21E

All data for this body: [vot]

MPC data
Name (number) 2001 DE21 (42196)
a 2.99346
e 0.11078
i / sin(i) 11.0912 / 0.19237
q 2.66186
Q 3.32507
ω 310.7155
Node 44.5412
m 53.2870
n 0.1903
Epoch 2460800.5
nobs 2692
nopp 22
Years observed 1998-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.991
ep 0.079
sin(ip) 0.181
G 0.150
H 13.690
Mass
D 7.12 0.052
pV 0.183 0.0283
Value
Rotational Period 7.400
Period quality 2
Spectral Class D
Spectral Class Score 2.334
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 -0.5000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9914 0.0792 0.1808 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.12 0.052 0.052 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.183 0.0283 0.0283 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
13.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.48 2 Synodic Dose 2020MPBu...47..324D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 0.389 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT