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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0656287298735347 3.6107e-08  
a 3.203094674575595 1.5167e-08 au
q 2.992879639418516 1.1907e-07 au
i 8.666484570440399 4.1595e-06 deg
node 250.9509588057612 2.7692e-05 deg
peri 58.55615015820099 4.4061e-05 deg
M 338.9303230855131 3.5828e-05 deg
tp 2459123.048631348411
(2020-Sep-30.54863135)
0.0002087 TDB
period 2093.886273837158
5.73
1.4872e-05
4.072e-08
d
yr
n .1719291083274933 1.2212e-09 deg/d
Q 3.413309709732674 1.6163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2656  
   data-arc span      38389 days (105.10 yr)  
   first obs. used      1915-03-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47898  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:13:01  

Additional Information
 Earth MOID = 1.98959 au 
 Jupiter MOID = 1.76202 au 
 T_jup = 3.172 
[ 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 9.4   n/a MPO347519  
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. 2019-August); 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

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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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