Davidhardy

13329, 1993 TQ21, 1993TQ21, 1998 SB32, 1998SB32, J93T21Q, J98S32B

All data for this body: [vot]

MPC data
Name (number) Davidhardy (13329)
a 2.96616
e 0.07831
i / sin(i) 6.4546 / 0.11242
q 2.73387
Q 3.19845
ω 144.3675
Node 186.6454
m 112.8563
n 0.1929
Epoch 2460800.5
nobs 2970
nopp 24
Years observed 1993-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.961
ep 0.054
sin(ip) 0.115
G 0.150
H 13.650
Mass
D 11.16 0.154
pV 0.051 0.0095
Value
Rotational Period 65.150
Period quality 2
Spectral Class C
Spectral Class Score 13.691
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9613 0.0537 0.1148 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.16 0.154 0.154 Masiero 2011ApJ...741...68M NEATM
11.24 3.280 3.280 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.051 0.0480 0.0480 Masiero 2020PSJ.....1....5M NEATM
0.051 0.0097 0.0097 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
13.65 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
65.152 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.97 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.7060 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.9192 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.489 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X C 0.8407 0.6140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT