Principia

02653, 1905 GA, 1905GA, 1939 DK, 1939DK, 1943 GB1, 1943GB1, 1951 JZ, 1951JZ, 1964 VP, 1964VP, 1970 GH, 1970GH, 1979 SV6, 1979SV6, J05G00A, J39D00K, J43G01B, J51J00Z, J64V00P, J70G00H, J79S06V

All data for this body: [vot]

MPC data
Name (number) Principia (2653)
a 2.44299
e 0.08141
i / sin(i) 4.7542 / 0.08288
q 2.24411
Q 2.64188
ω 317.7605
Node 194.3533
m 200.1204
n 0.2581
Epoch 2460800.5
nobs 7434
nopp 33
Years observed 1939-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.443
ep 0.114
sin(ip) 0.089
G 0.150
H 12.400
Mass
D 9.88 0.980
pV 0.256 0.0910
Value
Rotational Period 5.522
Period quality 3
Spectral Class V
Spectral Class Score 44.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
2653 Principia -1 Principia -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4435 0.1143 0.0889 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.88 0.980 0.980 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.256 0.0910 0.0910 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
12.40 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.52 1 Synodic Behrend LCDB Lightcurve
5.52 1+ Synodic Behrend LCDB Lightcurve
5.52237 2 Sidereal Durech 2020A&A...643A..59D Model
5.5225 3 Synodic Pravec LCDB Lightcurve
5.52251 3 Synodic Pravec LCDB Lightcurve
5.5227 2 Synodic Pal 2020ApJS..247...26P Lightcurve
5.5228 3 Synodic Willis 2004MPBu...31...82W Lightcurve
5.523 3 Synodic Hasegawa 2012LPICo1667.6281H Lightcurve
6.243 2 Synodic Windschitl 2004MPBu...31...80W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
V Bus-DeMeo NIR Moskovitz 2010Icar..208..773M SPEC
V Bus VIS Bus 2002Icar..158..146B SPEC
V 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
V 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC