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135708 (2002 PO44)
Classification: Main-belt Asteroid          SPK-ID: 2135708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2844018498467065 5.023e-08  
a 2.664336572525352 1.214e-08 au
q 1.906594322684909 1.3198e-07 au
i 14.0198996710447 4.3908e-06 deg
node 22.42562452574282 1.7847e-05 deg
peri 346.0105755929717 1.9411e-05 deg
M 120.1705241679405 8.7818e-06 deg
tp 2458866.253865747046
(2020-Jan-17.75386575)
3.645e-05 TDB
period 1588.481115920682
4.35
1.0857e-05
2.972e-08
d
yr
n .2266315893792319 1.549e-09 deg/d
Q 3.422078822365796 1.5593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:16:39  

Additional Information
 Earth MOID = .908911 au 
 Jupiter MOID = 2.04698 au 
 T_jup = 3.284 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457726.5 (2016-Dec-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2871997358982568 5.0651e-08  
q 1.896755696054897 1.3346e-07 au
tp 2457276.981914398213
(2015-Sep-11.48191440)
3.0107e-05 TDB
node 22.51699639831055 1.7797e-05 deg
peri 345.619212623969 1.9293e-05 deg
i 14.055747204702 4.3997e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:16:39  

Additional Information
 Jupiter MOID = 2.04698 au 
 T_jup = 3.284 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.565527499434402E-15 -6.746672934134593E-15 1.005862641825399E-13 9.677347372430825E-15 -1.155830566176232E-13 1.443642406889258E-15
q -6.746672934134593E-15 1.781124431770425E-14 -1.705003316701343E-13 -2.603863972066332E-14 3.286165526549391E-13 -4.265295932498237E-15
tp 1.005862641825399E-13 -1.705003316701343E-13 9.064545955978953E-10 -2.210458899892273E-12 2.294614435985495E-10 -4.195118655241136E-12
node 9.677347372430825E-15 -2.603863972066332E-14 -2.210458899892273E-12 3.16733170746412E-10 -3.074963129978281E-10 -7.542733384835141E-12
peri -1.155830566176232E-13 3.286165526549391E-13 2.294614435985495E-10 -3.074963129978281E-10 3.722342150059976E-10 6.197968499772217E-12
i 1.443642406889258E-15 -4.265295932498237E-15 -4.195118655241136E-12 -7.542733384835141E-12 6.197968499772217E-12 1.935763977002333E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.48   n/a MPCxxxxx  
diameter diameter 4.722 km 1.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.050   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

135708 (2002 PO44)          Discovered 2002-Aug-05 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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