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JPL Small-Body Database Browser
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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3229508339554913 9.8593e-08  
a 2.739152941914797 3.3309e-08 au
q 1.854541214991776 2.5413e-07 au
i 13.26680567474395 1.0923e-05 deg
node 308.76949766 3.017e-05 deg
peri 82.15963197996679 4.0163e-05 deg
M 136.2227233071915 1.435e-05 deg
tp 2458373.929552490704
(2018-Sep-12.42955249)
7.0206e-05 TDB
period 1655.857081895811
4.53
3.0203e-05
8.269e-08
d
yr
n .2174100675330213 3.9656e-09 deg/d
Q 3.623764668837818 4.4066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      7996 days (21.89 yr)  
   first obs. used      1997-03-03  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5523  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:43:00  

Additional Information
 Earth MOID = .913572 au 
 Jupiter MOID = 2.13596 au 
 T_jup = 3.236 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457088.5 (2015-Mar-07.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3200978588403798 9.6908e-08  
q 1.865967565817704 2.4818e-07 au
tp 2456716.202728426562
(2014-Feb-27.70272843)
9.1539e-05 TDB
node 308.8904491102 3.0083e-05 deg
peri 82.2342971351309 4.0415e-05 deg
i 13.27433159459218 1.0927e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      7996 days (21.89 yr)  
   first obs. used      1997-03-03  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5523  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:43:00  

Additional Information
 Jupiter MOID = 2.13596 au 
 T_jup = 3.236 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.391233111721053E-15 -2.399884575133328E-14 -5.436757910413941E-12 -7.148024057857691E-14 -1.777754303293668E-12 -5.286932072927221E-14
q -2.399884575133328E-14 6.159195012670909E-14 1.327974767745672E-11 1.844524423133683E-13 4.393931258355916E-12 1.371617082515614E-13
tp -5.436757910413941E-12 1.327974767745672E-11 8.379424915339872E-9 5.372908266102758E-11 2.47948981647154E-9 -1.218341456555652E-11
node -7.148024057857691E-14 1.844524423133683E-13 5.372908266102758E-11 9.050070885466579E-10 -8.63573239807295E-10 -3.003403899900695E-11
peri -1.777754303293668E-12 4.393931258355916E-12 2.47948981647154E-9 -8.63573239807295E-10 1.633391189015983E-9 2.701714617648768E-11
i -5.286932072927221E-14 1.371617082515614E-13 -1.218341456555652E-11 -3.003403899900695E-11 2.701714617648768E-11 1.194018359113205E-10

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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