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7142 Spinoza (1994 PC19)
Classification: Main-belt Asteroid          SPK-ID: 2007142
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054605455122346 5.53e-08  
a 3.162610924723154 2.8772e-08 au
q 2.829080251358898 1.7905e-07 au
i .3292322872018468 4.9427e-06 deg
node 114.2247192981676 0.0010583 deg
peri 115.3747246811548 0.0010585 deg
M 29.80893322125033 2.88e-05 deg
tp 2457230.397377041675
(2015-Jul-26.89737704)
0.00016437 JED
period 2054.315188352401
5.62
2.8034e-05
7.675e-08
d
yr
n .1752408793164435 2.3914e-09 deg/d
Q 3.49614159808741 3.1806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1387  
   data-arc span      24120 days (66.04 yr)  
   first obs. used      1949-07-30  
   last obs. used      2015-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51592  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:21:17  

Additional Information
 Earth MOID = 1.81805 au 
 Jupiter MOID = 1.48777 au 
 T_jup = 3.196 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8 mag n/a MPO256917  
rotation period rot_per 12.3749 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

7142 Spinoza (1994 PC19)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1994 PC19 = 1949 OZ = 1987 HA1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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