Njord

04213, 1969 UA, 1969UA, 1969 VL, 1969VL, 1973 YH3, 1973YH3, 1980 TY11, 1980TY11, 1982 FK2, 1982FK2, 1984 YQ1, 1984YQ1, 1987 ST4, 1987ST4, 1989 CS7, 1989CS7, J69U00A, J69V00L, J73Y03H, J80T11Y, J82F02K, J84Y01Q, J87S04T, J89C07S

All data for this body: [vot]

MPC data
Name (number) Njord (4213)
a 2.38833
e 0.07696
i / sin(i) 3.4104 / 0.05949
q 2.20453
Q 2.57213
ω 220.5043
Node 253.1528
m 150.0546
n 0.2670
Epoch 2460200.5
nobs 3090
nopp 30
Years observed 1969-2023
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.389
ep 0.104
sin(ip) 0.074
Value Standard error
G 0.150
H 13.820
Mass
D 6.24 1.198
pV 0.133 0.0524
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3885 0.1036 0.0742 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.12 1.370 1.370 Nugent 2016AJ....152...63N NEATM
6.61 2.470 2.470 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.120 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.177 0.1080 0.1080 Masiero 2012ApJ...759L...8M 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
13.82 MPC-2023-12-04 MPC-2023-12-04 Phot