2004NR21

J7678, K04N21R

All data for this body: [vot]

MPC data
Name (number) 2004NR21 (197678)
Packed designation J7678
a 2.33607
e 0.23937
i / sin(i) 5.7814 / 0.10073
q 1.77688
Q 2.89526
ω 182.8117
Node 129.5694
m 323.5842
n 0.2760
Epoch 2459600.5
nobs 318
nopp 14
Years observed 1999-2021
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent Erigone (163)
 
ap 2.337
ep 0.203
sin(ip) 0.083
Value Standard error
G 0.150
H 17.090
Mass
D 2.55 0.426
pV 0.036 0.0138
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
163 Erigone 406 Erigone -0.6400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3371 0.2034 0.0825 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
2.30 0.640 0.640 Masiero 2020PSJ.....1....5M NEATM
2.69 0.800 0.800 Nugent 2016AJ....152...63N NEATM
2.80 0.812 0.812 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.039 0.0207 0.0207 Masiero 2011ApJ...741...68M NEATM
0.058 0.0480 0.0480 Masiero 2020PSJ.....1....5M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.09 MPC-2022-01-18 MPC-2022-01-18 Phot