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344058 (1994 PS22)
Classification: Main-belt Asteroid          SPK-ID: 2344058
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .233439814001856 7.2827e-08  
a 2.31658872784731 1.275e-08 au
q 1.775804686099838 1.7238e-07 au
i 4.573218906843363 5.6177e-06 deg
node 349.6740692410584 0.00010828 deg
peri 329.0812193111807 0.00011085 deg
M 9.666625429641661 2.4015e-05 deg
tp 2458565.918468339186
(2019-Mar-23.41846834)
8.574e-05 TDB
period 1287.869431634157
3.53
1.0632e-05
2.911e-08
d
yr
n .2795314425183628 2.3077e-09 deg/d
Q 2.857372769594782 1.5726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      9216 days (25.23 yr)  
   first obs. used      1994-08-12  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59126  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 22:55:36  

Additional Information
 Earth MOID = .76394 au 
 Jupiter MOID = 2.46068 au 
 T_jup = 3.540 
[ 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 17.7   n/a MPO440549  
diameter diameter 1.826 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.037   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

344058 (1994 PS22)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 1994 PS22 = 2001 QY121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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