Sweitzer

04194, 1931 BH, 1931BH, 1967 ES, 1967ES, 1971 DV1, 1971DV1, 1972 HR1, 1972HR1, 1972 KC, 1972KC, 1982 RE, 1982RE, 1989 CK8, 1989CK8, J31B00H, J67E00S, J71D01V, J72H01R, J72K00C, J82R00E, J89C08K

All data for this body: [vot]

MPC data
Name (number) Sweitzer (4194)
a 2.69819
e 0.04218
i / sin(i) 7.5229 / 0.13092
q 2.58439
Q 2.81200
ω 357.6408
Node 155.9955
m 59.7521
n 0.2224
Epoch 2460800.5
nobs 6102
nopp 32
Years observed 1931-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.698
ep 0.085
sin(ip) 0.122
G 0.150
H 12.220
Mass
D 17.19 0.258
pV 0.087 0.0068
Value
Rotational Period 18.750
Period quality 2+
Spectral Class Cb
Spectral Class Score 5.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6982 0.0851 0.1224 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.96 6.180 6.180 Nugent 2016AJ....152...63N NEATM
17.02 0.300 0.300 Masiero 2012ApJ...759L...8M NEATM
17.32 3.460 3.460 Ali-Lagoa 2018A&A...612A..85A NEATM
17.54 0.560 0.560 Usui 2011PASJ...63.1117U NEATM
18.23 3.650 3.650 Ali-Lagoa 2018A&A...612A..85A NEATM
18.45 1.500 1.500 Tedesco 2002AJ....123.1056T STM
19.06 4.756 4.756 Masiero 2017AJ....154..168M NEATM
20.75 6.490 6.490 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.047 0.0200 0.0340 Masiero 2021PSJ.....2..162M NEATM
0.063 0.0281 0.0281 Masiero 2017AJ....154..168M NEATM
0.070 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.075 0.0300 0.0300 Ali-Lagoa 2018A&A...612A..85A NEATM
0.082 0.0150 0.0150 Tedesco 2002AJ....123.1056T STM
0.083 0.0330 0.0330 Ali-Lagoa 2018A&A...612A..85A NEATM
0.097 0.0090 0.0090 Masiero 2012ApJ...759L...8M 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
12.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.757 2+ Synodic Marchini 2020MPBu...47..249M Lightcurve
37.3396 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C B 0.680000 0.320000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Cb Bus VIS Bus 2002Icar..158..146B SPEC
X 0.734 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT