Keizan

15790, 1993 TC, 1993TC, 1999 AP22, 1999AP22, J93T00C, J99A22P

All data for this body: [vot]

MPC data
Name (number) Keizan (15790)
a 2.35981
e 0.31692
i / sin(i) 22.8639 / 0.38854
q 1.61194
Q 3.10767
ω 293.4211
Node 23.5178
m 289.7541
n 0.2719
Epoch 2460800.5
nobs 4329
nopp 23
Years observed 1982-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.360
ep 0.288
sin(ip) 0.401
G 0.150
H 13.660
Mass
D 6.35 0.522
pV 0.131 0.0234
Value
Rotational Period 19.600
Period quality 2-
Spectral Class L
Spectral Class Score 3.492
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3604 0.2877 0.4011 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.79 1.160 1.160 Nugent 2016AJ....152...63N NEATM
5.90 0.900 0.900 Ali-Lagoa 2017A&A...603A..55A NEATM
6.70 1.000 1.000 Ali-Lagoa 2017A&A...603A..55A NEATM
8.30 1.200 1.200 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.100 0.0300 0.0300 Ali-Lagoa 2017A&A...603A..55A NEATM
0.160 0.0500 0.0500 Ali-Lagoa 2017A&A...603A..55A NEATM
0.200 0.0600 0.0600 Ali-Lagoa 2017A&A...603A..55A NEATM
0.270 0.1800 0.1800 Nugent 2016AJ....152...63N 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
13.66 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.68 2- Synodic Hoot LCDB Lightcurve
19.8131 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
L 0.582 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT