Niiyaeki

09990, 1978 TC5, 1978TC5, 1995 ES8, 1995ES8, 1997 SO17, 1997SO17, J78T05C, J95E08S, J97S17O

All data for this body: [vot]

MPC data
Name (number) Niiyaeki (9990)
a 2.83003
e 0.08561
i / sin(i) 2.0972 / 0.03660
q 2.58774
Q 3.07232
ω 160.9998
Node 168.2749
m 327.9495
n 0.2070
Epoch 2460800.5
nobs 4622
nopp 25
Years observed 1978-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.830
ep 0.059
sin(ip) 0.036
G 0.150
H 13.770
Mass
D 5.27 0.233
pV 0.283 0.0783
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.4800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8296 0.0591 0.0361 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.25 0.244 0.244 Masiero 2011ApJ...741...68M NEATM
5.47 0.780 0.780 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.1120 0.1120 Masiero 2012ApJ...759L...8M NEATM
0.307 0.1095 0.1095 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
13.77 MPC-2023-12-04 MPC-2023-12-04 Phot