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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06562872802772642 3.605e-08  
a 3.203094670680712 1.4526e-08 au
q 2.992879641691547 1.1905e-07 au
i 8.666485048222658 4.1043e-06 deg
node 250.9509540775935 2.6932e-05 deg
peri 58.55614435441525 4.199e-05 deg
M 338.9303350176 3.3229e-05 deg
tp 2459123.048561723684
(2020-Sep-30.54856172)
0.0001935 TDB
period 2093.886270017987
5.73
1.4243e-05
3.9e-08
d
yr
n .1719291086410856 1.1695e-09 deg/d
Q 3.413309699669876 1.5479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2758  
   data-arc span      38439 days (105.24 yr)  
   first obs. used      1915-03-21  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:21:00  

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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