Yamashitakouhei

1989 UA1, 1989UA1, 1998 HW93, 1998HW93, 23465, J89U01A, J98H93W

All data for this body: [vot]

MPC data
Name (number) Yamashitakouhei (23465)
a 2.20745
e 0.18554
i / sin(i) 5.2597 / 0.09167
q 1.79788
Q 2.61701
ω 0.8636
Node 4.2259
m 314.2956
n 0.3005
Epoch 2460800.5
nobs 2688
nopp 22
Years observed 1989-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.207
ep 0.141
sin(ip) 0.088
G 0.150
H 14.600
Mass
D 2.87 0.063
pV 0.360 0.0462
Value
Rotational Period 5.460
Period quality 2
Spectral Class S
Spectral Class Score 1.738
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 0 Flora Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.0400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2071 0.1412 0.0882 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.79 0.410 0.410 Nugent 2016AJ....152...63N NEATM
2.88 0.064 0.064 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.250 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.446 0.0615 0.0615 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
14.60 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.46026 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.123 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT