Hertzsprung

01693, 1930 HG, 1930HG, 1935 LA, 1935LA, 1944 HA, 1944HA, 1950 VM, 1950VM, J30H00G, J35L00A, J44H00A, J50V00M

All data for this body: [vot]

MPC data
Name (number) Hertzsprung (1693)
a 2.79724
e 0.27232
i / sin(i) 11.9345 / 0.20679
q 2.03551
Q 3.55898
ω 234.8075
Node 69.9530
m 34.3952
n 0.2107
Epoch 2460800.5
nobs 7683
nopp 38
Years observed 1935-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.802
ep 0.244
sin(ip) 0.195
G 0.150
H 11.280
Mass
D 37.28 0.247
pV 0.042 0.0021
Value
Rotational Period 8.820
Period quality 3
Spectral Class X
Spectral Class Score 16.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8021 0.2445 0.1949 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
30.33 7.840 7.840 Masiero 2021PSJ.....2..162M NEATM
32.98 6.600 6.600 Ali-Lagoa 2018A&A...612A..85A NEATM
33.71 11.960 11.960 Masiero 2021PSJ.....2..162M NEATM
34.81 11.040 11.040 Masiero 2021PSJ.....2..162M NEATM
35.27 0.470 0.470 Usui 2011PASJ...63.1117U NEATM
37.50 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
37.74 3.770 3.770 Ali-Lagoa 2018A&A...612A..85A NEATM
37.77 0.320 0.320 Masiero 2014ApJ...791..121M NEATM
37.96 1.817 1.817 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
38.67 1.500 1.500 Tedesco 2002AJ....123.1056T STM
40.40 0.972 0.972 Masiero 2011ApJ...741...68M NEATM
41.97 3.650 3.650 Nugent 2016AJ....152...63N NEATM
44.55 10.270 10.270 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM
0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.033 0.0034 0.0034 Masiero 2011ApJ...741...68M NEATM
0.039 0.0180 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.039 0.0180 0.0330 Masiero 2021PSJ.....2..162M NEATM
0.043 0.0160 0.0250 Masiero 2021PSJ.....2..162M NEATM
0.047 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.048 0.0040 0.0040 Tedesco 2002AJ....123.1056T STM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.050 0.0048 0.0048 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.061 0.0240 0.0240 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
11.28 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.825 3 Synodic Barucci 1992AJ....103.1679B Lightcurve
8.84228 2 Sidereal Durech 2018A&A...617A..57D Model
8.8423 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
C K 0.670000 0.230000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT