Hiltner

04924, 1981 EQ40, 1981EQ40, 1985 PF1, 1985PF1, J81E40Q, J85P01F

All data for this body: [vot]

MPC data
Name (number) Hiltner (4924)
a 2.15327
e 0.21501
i / sin(i) 1.7319 / 0.03022
q 1.69030
Q 2.61626
ω 148.7880
Node 180.0257
m 208.9630
n 0.3119
Epoch 2460800.5
nobs 2889
nopp 24
Years observed 1981-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.154
ep 0.141
sin(ip) 0.034
G 0.150
H 15.210
Mass
D 2.26 0.248
pV 0.236 0.1075
Value
Rotational Period 4.000
Period quality 1
Spectral Class S
Spectral Class Score 14.557
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1544 0.1405 0.0341 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.26 0.248 0.248 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.236 0.1075 0.1075 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
15.21 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.9 1 Synodic Binzel 1992Icar...99..225B 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 0.92 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8841 0.8910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9020 0.8910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT