Niijima

05507, 1983 VN1, 1983VN1, 1987 UJ, 1987UJ, J83V01N, J87U00J

All data for this body: [vot]

MPC data
Name (number) Niijima (5507)
a 2.58002
e 0.13457
i / sin(i) 2.6426 / 0.04611
q 2.23284
Q 2.92721
ω 22.1767
Node 337.4183
m 45.6345
n 0.2378
Epoch 2460800.5
nobs 3767
nopp 26
Years observed 1983-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.580
ep 0.128
sin(ip) 0.058
G 0.150
H 13.800
Mass
D 5.52 0.381
pV 0.231 0.0475
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5797 0.1282 0.0575 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.52 0.381 0.381 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.231 0.0475 0.0475 Masiero 2011ApJ...741...68M 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
13.80 MPC-2023-12-04 MPC-2023-12-04 Phot