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146 Lucina
Classification: Main-belt Asteroid          SPK-ID: 2000146
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 77 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06661305817529399 2.6076e-08  
a 2.7183593373971 9.1326e-09 au
q 2.537281108713713 7.2904e-08 au
i 13.09352895034703 2.8513e-06 deg
node 83.97310147317417 1.6395e-05 deg
peri 146.958837825892 3.4506e-05 deg
M 154.1384206557351 3.0231e-05 deg
tp 2456699.582136269468
(2014-Feb-11.08213627)
0.00013772 JED
period 1637.037864210157
4.48
8.2497e-06
2.259e-08
d
yr
n .2199093911451424 1.1082e-09 deg/d
Q 2.899437566080486 9.7409e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1417  
   data-arc span      47556 days (130.20 yr)  
   first obs. used      1885-10-02  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56245  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:31:22  

Additional Information
 Earth MOID = 1.53239 au 
 Jupiter MOID = 2.1397 au 
 T_jup = 3.319 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.20 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 26
magnitude slope G 0.11   n/a PDS3 (MPC 17257) Fit
diameter diameter 132.21 km 2.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 26
rotation period rot_per 18.557 h n/a LCDB (Rev. 2015-December); 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.]
[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.]
geometric albedo albedo 0.0531   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 26
B-V BV .703 mag .034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=5; phase (min.=4.85, mean=13.75, max.=21.88) deg.
U-B UB .405 mag .027 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #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          Discovered 1875-Jun-08 by Borrelly, A. at Marseille
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1950 CY 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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