Senjikan

09785, 1987 KX2, 1987KX2, 1991 FJ4, 1991FJ4, 1994 YX1, 1994YX1, J87K02X, J91F04J, J94Y01X

All data for this body: [vot]

MPC data
Name (number) Senjikan (9785)
a 2.74969
e 0.05429
i / sin(i) 3.1118 / 0.05428
q 2.60041
Q 2.89896
ω 185.0736
Node 12.1647
m 150.5831
n 0.2162
Epoch 2460800.5
nobs 3453
nopp 28
Years observed 1987-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.751
ep 0.092
sin(ip) 0.056
G 0.150
H 13.680
Mass
D 5.05 0.372
pV 0.302 0.0648
Value
Rotational Period 26.740
Period quality 2
Spectral Class S
Spectral Class Score 17.887
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7505 0.0920 0.0558 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.05 0.372 0.372 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.302 0.0648 0.0648 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
13.68 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
26.743 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
27.211 2 Sidereal Durech 2023A&A...675A..24D Model
27.59 2 Synodic Chang 2019ApJS..241....6C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.234 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.95 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9538 0.9660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9767 0.9660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT