2001JJ4

1987QW4, 28970, J87Q04W, K01J04J

All data for this body: [vot]

MPC data
Name (number) 2001JJ4 (28970)
Packed designation 28970
a 2.98806
e 0.02264
i / sin(i) 8.8831 / 0.15442
q 2.92040
Q 3.05573
ω 341.0166
Node 212.8578
m 42.2334
n 0.1908
Epoch 2459600.5
nobs 1706
nopp 21
Years observed 1987-2021
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.990
ep 0.063
sin(ip) 0.166
Value Standard error
G 0.150
H 13.780
Mass
D 6.90 0.141
pV 0.148 0.0281
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.4900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9895 0.0628 0.1655 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.90 0.141 0.141 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.148 0.0281 0.0281 Masiero 2011ApJ...741...68M 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
13.78 MPC-2022-01-18 MPC-2022-01-18 Phot