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58311 (1994 PA22)
Classification: Main-belt Asteroid          SPK-ID: 2058311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504811275702025 4.3438e-08  
a 2.333388939685117 1.0237e-08 au
q 1.982257940981461 1.0494e-07 au
i 1.798982401254794 4.3563e-06 deg
node 317.2618423904565 0.00016024 deg
peri 104.8358008630858 0.00016128 deg
M 16.69678307175541 1.9087e-05 deg
tp 2458940.117730343163
(2020-Mar-31.61773034)
6.8826e-05 TDB
period 1301.904503582675
3.56
8.5679e-06
2.346e-08
d
yr
n .27651797732424 1.8198e-09 deg/d
Q 2.684519938388772 1.1778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      9263 days (25.36 yr)  
   first obs. used      1994-08-12  
   last obs. used      2019-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:51:32  

Additional Information
 Earth MOID = .996157 au 
 Jupiter MOID = 2.61535 au 
 T_jup = 3.553 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO449376  
diameter diameter 3.509 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58311 (1994 PA22)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PA22 = 1998 XX31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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