Hollisjohnson

09144, 1955 UN1, 1955UN1, 1955 UP1, 1955UP1, 1973 SV3, 1973SV3, 1991 RH8, 1991RH8, J55U01N, J55U01P, J73S03V, J91R08H

All data for this body: [vot]

MPC data
Name (number) Hollisjohnson (9144)
a 2.35155
e 0.26384
i / sin(i) 10.8572 / 0.18836
q 1.73113
Q 2.97198
ω 328.8786
Node 20.6845
m 123.3697
n 0.2733
Epoch 2460800.5
nobs 4454
nopp 25
Years observed 1955-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.352
ep 0.217
sin(ip) 0.176
G 0.150
H 13.510
Mass
D 9.75 0.617
pV 0.048 0.0112
Value
Rotational Period 10.460
Period quality 2+
Spectral Class B
Spectral Class Score 2.310
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3523 0.2170 0.1759 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.00 2.000 2.000 Ali-Lagoa 2018A&A...612A..85A NEATM
10.84 3.018 3.018 Masiero 2017AJ....154..168M NEATM
12.30 3.580 3.580 Masiero 2020PSJ.....1....5M NEATM
12.50 4.740 4.740 Masiero 2012ApJ...759L...8M NEATM
13.74 5.122 5.122 Masiero 2017AJ....154..168M NEATM
8.21 2.080 2.080 Masiero 2021PSJ.....2..162M NEATM
9.59 0.730 0.730 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.032 0.0216 0.0216 Masiero 2017AJ....154..168M NEATM
0.039 0.0193 0.0193 Masiero 2017AJ....154..168M NEATM
0.051 0.0800 0.0800 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0250 0.0250 Masiero 2012ApJ...759L...8M NEATM
0.073 0.0310 0.0550 Masiero 2021PSJ.....2..162M NEATM
0.088 0.0350 0.0350 Ali-Lagoa 2018A&A...612A..85A 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
13.51 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.464 2+ Synodic Polakis 2021MPBu...48..158P Lightcurve
10.4781 2 Sidereal Durech 2023A&A...675A..24D Model
10.47834 2 Sidereal Durech 2019A&A...631A...2D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.385 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT