2001 DE21

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

All data for this body: [vot]

MPC data
Name (number) 2001 DE21 (42196)
a 2.99227
e 0.11046
i / sin(i) 11.0939 / 0.19242
q 2.66174
Q 3.32280
ω 310.3721
Node 44.5431
m 299.3471
n 0.1904
Epoch 2460200.5
nobs 2151
nopp 21
Years observed 1998-2023
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.991
ep 0.079
sin(ip) 0.181
Value Standard error
G 0.150
H 13.710
Mass
D 7.12 0.052
pV 0.183 0.0283
Rotational Period 7.480
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
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-Oct-2022
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
13.71 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.48 Dose 2020MPBu...47..324D Lightcurve