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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502685888323415 4.345e-08  
a 2.333121647687452 1.0293e-08 au
q 1.982526750115271 1.0492e-07 au
i 1.79890019016949 4.3622e-06 deg
node 317.2653533761369 0.00016026 deg
peri 104.8302719636394 0.00016131 deg
M 266.0661918027598 1.8779e-05 deg
tp 2458940.143987176254
(2020-Mar-31.64398718)
6.8999e-05 TDB
period 1301.680808327367
3.56
8.6143e-06
2.358e-08
d
yr
n .276565497237831 1.8303e-09 deg/d
Q 2.683716545259633 1.184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      9247 days (25.32 yr)  
   first obs. used      1994-08-12  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55561  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:00:37  

Additional Information
 Earth MOID = .996092 au 
 Jupiter MOID = 2.61635 au 
 T_jup = 3.554 
[ 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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