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803 Picka (A915 FL)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000803
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06491124349129443 3.6084e-08  
a 3.200862320893131 1.4099e-08 au
q 2.993090367399527 1.1895e-07 au
i 8.658424559953417 3.8927e-06 deg
node 250.8779194690481 2.6089e-05 deg
peri 57.93690260513225 3.9376e-05 deg
M 13.93490086419711 2.959e-05 deg
tp 2459119.534444336180
(2020-Sep-27.03444434)
0.00017183 TDB
period 2091.697696527137
5.73
1.382e-05
3.784e-08
d
yr
n .172109000549033 1.1371e-09 deg/d
Q 3.408634274386734 1.5014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3132  
   data-arc span      38635 days (105.78 yr)  
   first obs. used      1915-03-21  
   last obs. used      2020-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:49:55  

Additional Information
 Earth MOID = 1.98755 au 
 Jupiter MOID = 1.76211 au 
 T_jup = 3.173 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.47   n/a E2021B10  
diameter diameter 46.50 km 2.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 14
rotation period rot_per 5.0742 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.1181   0.012 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 14

803 Picka (A915 FL)          Discovered 1915-Mar-21 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A915 FL = 1952 YH = 1984 EC2 = A899 NE = A915 FD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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