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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06562872718318855 3.6011e-08  
a 3.203094666084442 1.365e-08 au
q 2.99287964010206 1.1902e-07 au
i 8.666485896362339 3.9223e-06 deg
node 250.9509493352954 2.6058e-05 deg
peri 58.55613702386457 3.9289e-05 deg
M 338.9303487132886 2.9585e-05 deg
tp 2459123.048481800979
(2020-Sep-30.54848180)
0.00017219 TDB
period 2093.886265511066
5.73
1.3385e-05
3.665e-08
d
yr
n .1719291090111491 1.099e-09 deg/d
Q 3.413309692066825 1.4546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3054  
   data-arc span      38574 days (105.61 yr)  
   first obs. used      1915-03-21  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:25:37  

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

[ 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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