1978UN4

10998, 1988NJ1, J78U04N, J88N01J

All data for this body: [vot]

MPC data
Name (number) 1978UN4 (10998)
Packed designation 10998
a 3.11132
e 0.09036
i / sin(i) 13.9588 / 0.24122
q 2.83019
Q 3.39245
ω 36.2279
Node 212.6351
m 86.8981
n 0.1796
Epoch 2459600.5
nobs 2226
nopp 21
Years observed 1978-2021
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.104
ep 0.123
sin(ip) 0.248
Value Standard error
G 0.150
H 13.190
Mass
D 13.68 0.190
pV 0.054 0.0044
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1040 0.1232 0.2478 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.67 0.190 0.190 Masiero 2011ApJ...741...68M NEATM
14.50 4.960 4.960 Nugent 2016AJ....152...63N NEATM
15.56 5.650 5.650 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.050 0.0310 0.0310 Masiero 2012ApJ...759L...8M NEATM
0.054 0.0045 0.0045 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
13.19 MPC-2022-01-18 MPC-2022-01-18 Phot