Grossman

04565, 1981 ED, 1981ED, 1981 EZ17, 1981EZ17, J81E00D, J81E17Z

All data for this body: [vot]

MPC data
Name (number) Grossman (4565)
a 2.57117
e 0.12570
i / sin(i) 14.7166 / 0.25404
q 2.24796
Q 2.89438
ω 37.5375
Node 174.3479
m 230.6668
n 0.2391
Epoch 2460800.5
nobs 6461
nopp 27
Years observed 1954-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.569
ep 0.168
sin(ip) 0.249
G 0.150
H 13.090
Mass
D 7.15 0.034
pV 0.292 0.0213
Value
Rotational Period 4.742
Period quality 3-
Spectral Class S
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5689 0.1681 0.2493 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.79 0.073 0.073 Masiero 2011ApJ...741...68M NEATM
6.83 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
7.28 0.043 0.043 Masiero 2011ApJ...741...68M NEATM
7.36 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.270 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM
0.279 0.0298 0.0298 Masiero 2011ApJ...741...68M NEATM
0.318 0.0411 0.0411 Masiero 2011ApJ...741...68M NEATM
0.320 0.0700 0.0700 Masiero 2014ApJ...791..121M 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
13.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.74239 2 Sidereal Durech 2020A&A...643A..59D Model
4.7429 3- Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT