Picka

00803, 1899 NE, 1899NE, 1915 FD, 1915FD, 1915 FL, 1915FL, 1952 YH, 1952YH, 1984 EC2, 1984EC2, I99N00E, J15F00D, J15F00L, J52Y00H, J84E02C

All data for this body: [vot]

MPC data
Name (number) Picka (803)
a 3.19940
e 0.06285
i / sin(i) 8.6590 / 0.15055
q 2.99831
Q 3.40049
ω 56.4733
Node 250.7976
m 291.3288
n 0.1722
Epoch 2460800.5
nobs 7942
nopp 51
Years observed 1915-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.203
ep 0.042
sin(ip) 0.169
G 0.150
H 9.500
Mass
D 53.08 0.746
pV 0.117 0.0066
Value
Rotational Period 5.074
Period quality 3
Spectral Class D
Spectral Class Score 11.186
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2032 0.0417 0.1694 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
40.79 2.020 2.020 Ryan&Woodward 2010AJ....140..933R IRAS-STM
46.50 2.200 2.200 Tedesco 2002AJ....123.1056T STM
48.43 2.296 2.296 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
55.90 11.180 11.180 Ali-Lagoa 2018A&A...612A..85A NEATM
57.41 0.950 0.950 Usui 2011PASJ...63.1117U NEATM
60.21 6.020 6.020 Ali-Lagoa 2018A&A...612A..85A NEATM
69.17 8.350 8.350 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.1020 0.1020 Masiero 2012ApJ...759L...8M NEATM
0.091 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.106 0.0420 0.0420 Ali-Lagoa 2018A&A...612A..85A NEATM
0.110 0.0107 0.0107 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.118 0.0120 0.0120 Tedesco 2002AJ....123.1056T STM
0.156 0.0162 0.0162 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
9.50 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.0742 3 Synodic Behrend LCDB Lightcurve
5.07478 2 Sidereal Hanus 2013A&A...551A..67H Model
5.07479 2 Sidereal Durech 2023A&A...675A..24D Model
5.0752 3- Synodic Behrend LCDB Lightcurve
5.13 2 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
D 0.840000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
D 0.98 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.8377 0.3060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
T D Tholen VIS Xu 1995Icar..115....1X SPEC