2004 DB21

2004DB21, I0514, K04D21B

All data for this body: [vot]

MPC data
Name (number) 2004 DB21 (180514)
a 2.70699
e 0.25847
i / sin(i) 12.0613 / 0.20896
q 2.00731
Q 3.40666
ω 113.6977
Node 124.3641
m 229.4750
n 0.2213
Epoch 2460800.5
nobs 752
nopp 16
Years observed 2000-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.709
ep 0.252
sin(ip) 0.210
G 0.150
H 15.890
Mass
D 4.35 0.675
pV 0.047 0.0191
Value
Rotational Period 4.090
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7091 0.2520 0.2100 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.95 0.920 0.920 Masiero 2020PSJ.....1....5M NEATM
4.81 0.994 0.994 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0218 0.0218 Masiero 2011ApJ...741...68M NEATM
0.059 0.0400 0.0400 Masiero 2020PSJ.....1....5M 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
15.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.095 2 Synodic Waszczak 2015AJ....150...75W Lightcurve