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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2335252890239267 6.8569e-08  
a 2.317106383942084 1.2443e-08 au
q 1.776003445932823 1.6204e-07 au
i 4.572981404308086 5.3328e-06 deg
node 349.6643480042455 0.00010599 deg
peri 329.1467189973613 0.00010845 deg
M 121.3986705662049 2.4521e-05 deg
tp 2458566.060987801223
(2019-Mar-23.56098780)
8.5618e-05 TDB
period 1288.301129346122
3.53
1.0377e-05
2.841e-08
d
yr
n .2794377741349324 2.2508e-09 deg/d
Q 2.858209321951345 1.5348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      9291 days (25.44 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 22:59:54  

Additional Information
 Earth MOID = .765003 au 
 Jupiter MOID = 2.46287 au 
 T_jup = 3.539 
[ 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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