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423196 (2004 PY12)
Classification: Main-belt Asteroid          SPK-ID: 2423196
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3229508008443288 9.044e-08  
a 2.739152917842161 2.9296e-08 au
q 1.854541289389955 2.3495e-07 au
i 13.26680515225371 9.7595e-06 deg
node 308.7694938973592 2.9258e-05 deg
peri 82.15968342907611 3.5079e-05 deg
M 136.2227010863655 1.2143e-05 deg
tp 2458373.929662957461
(2018-Sep-12.42966296)
5.7271e-05 TDB
period 1655.857060067434
4.53
2.6565e-05
7.273e-08
d
yr
n .2174100703990351 3.4879e-09 deg/d
Q 3.623764546294367 3.8758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      8456 days (23.15 yr)  
   first obs. used      1997-03-03  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55069  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:37:39  

Additional Information
 Earth MOID = .913572 au 
 Jupiter MOID = 2.13596 au 
 T_jup = 3.236 
[ 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 16.8   n/a MPO472250  
diameter diameter 2.787 km 0.674 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423196 (2004 PY12)          Discovered 2004-Aug-07 by NEAT at Palomar
Reference: Last Updated: 2015-02-04

Alternate Designations
 2004 PY12 = 1997 EP9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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