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146 Lucina (A875 LC)
Classification: Main-belt Asteroid          SPK-ID: 2000146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 94 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06704083343594652 2.6939e-08  
a 2.717325177931562 7.2703e-09 au
q 2.535153433286548 7.3691e-08 au
i 13.10117742247584 2.8272e-06 deg
node 83.94542100326747 1.5532e-05 deg
peri 145.7333885429514 3.2916e-05 deg
M 147.2778512022907 2.8559e-05 deg
tp 2458331.161533276637
(2018-Jul-31.66153328)
0.00013017 TDB
period 1636.103772925382
4.48
6.5661e-06
1.798e-08
d
yr
n .2200349427446853 8.8306e-10 deg/d
Q 2.899496922576575 7.7577e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2420  
   data-arc span      49050 days (134.29 yr)  
   first obs. used      1885-10-05  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:18:14  

Additional Information
 Earth MOID = 1.53209 au 
 Jupiter MOID = 2.14343 au 
 T_jup = 3.319 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.4   n/a MPO502154 IRAS observations used: 26
magnitude slope G 0.11   n/a PDS3 (MPC 17257) Fit
diameter diameter 160.310 km 1.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 18.557 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1983) Icarus 54, 59-109.]
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Hanus, J.; Marchis, F.; Durech, J. (2013) Icarus 226, 1045-1057.]
[Viikinkoski, M.; Hanus, J.; Kaasalainen, M.; Marchis, F.; Durech, J. (2017) Astron. Astrophys. 607, A117.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.036   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.703   0.034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=4.85, mean=13.75, max.=21.88) deg.
U-B UB 0.405   0.027 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=4.85, mean=13.75, max.=21.88) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

146 Lucina (A875 LC)          Discovered 1875-Jun-08 by Borrelly, A. at Marseille
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A875 LC = 1950 CY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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