Pannekoek

02378, 1918 RE, 1918RE, 1935 CY, 1935CY, 1935 EP, 1935EP, 1938 UD1, 1938UD1, 1960 HD, 1960HD, 1967 RB1, 1967RB1, 1970 GP1, 1970GP1, 1970 JG, 1970JG, 1972 RH3, 1972RH3, 1975 JH, 1975JH, 1977 RR5, 1977RR5, 1977 XJ, 1977XJ, J18R00E, J35C00Y, J35E00P, J38U01D, J60H00D, J67R01B, J70G01P, J70J00G, J72R03H, J75J00H, J77R05R, J77X00J

All data for this body: [vot]

MPC data
Name (number) Pannekoek (2378)
a 2.89105
e 0.13957
i / sin(i) 14.2758 / 0.24659
q 2.48754
Q 3.29457
ω 267.1115
Node 180.8184
m 185.8919
n 0.2005
Epoch 2460800.5
nobs 7343
nopp 41
Years observed 1918-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.889
ep 0.143
sin(ip) 0.252
G 0.150
H 11.150
Mass
D 37.45 0.363
pV 0.061 0.0029
Value
Rotational Period 11.870
Period quality 2
Spectral Class Cgh
Spectral Class Score 26.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8888 0.1426 0.2519 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
28.67 8.690 8.690 Masiero 2020PSJ.....1....5M NEATM
31.24 8.530 8.530 Masiero 2020PSJ.....1....5M NEATM
31.82 1.301 1.301 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
32.26 2.500 2.500 Tedesco 2002AJ....123.1056T STM
35.83 0.720 0.720 Masiero 2012ApJ...759L...8M NEATM
38.01 0.600 0.600 Usui 2011PASJ...63.1117U NEATM
38.37 7.670 7.670 Ali-Lagoa 2018A&A...612A..85A NEATM
38.49 3.850 3.850 Ali-Lagoa 2018A&A...612A..85A NEATM
40.37 0.706 0.706 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.051 0.0590 0.0590 Masiero 2020PSJ.....1....5M NEATM
0.057 0.0040 0.0040 Masiero 2011ApJ...741...68M NEATM
0.058 0.0450 0.0450 Masiero 2020PSJ.....1....5M NEATM
0.089 0.0160 0.0160 Tedesco 2002AJ....123.1056T STM
0.092 0.0076 0.0076 Ryan&Woodward 2010AJ....140..933R IRAS-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
11.15 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.874 2 Synodic Stephens 2019MPBu...46..449S Lightcurve
11.8806 2 Synodic Oey LCDB Lightcurve
5.943 2 Synodic Higgins 2008MPBu...35..123H Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.978 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
Cgh Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
Cgh Bus VIS Bus 2002Icar..158..146B SPEC