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437923 (2002 NB70)
Classification: Main-belt Asteroid          SPK-ID: 2437923
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3118275177061691 1.8064e-07  
a 2.64565303565744 1.7364e-08 au
q 1.820665616836589 4.7463e-07 au
i 11.34189721312418 7.4338e-06 deg
node 256.7626212640918 5.9384e-05 deg
peri 68.2089726796692 6.7304e-05 deg
M 49.96938475235478 1.5769e-05 deg
tp 2458782.327875676112
(2019-Oct-25.82787568)
6.803e-05 TDB
period 1571.801717108362
4.30
1.5474e-05
4.237e-08
d
yr
n .2290365229160652 2.2548e-09 deg/d
Q 3.470640454478291 2.2778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      6204 days (16.99 yr)  
   first obs. used      2002-07-10  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48568  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:38:02  

Additional Information
 Earth MOID = .844061 au 
 Jupiter MOID = 2.01993 au 
 T_jup = 3.295 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456505.5 (2013-Aug-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3125671708758323 1.7844e-07  
q 1.817778550969483 4.6768e-07 au
tp 2457212.492360446994
(2015-Jul-08.99236045)
6.4114e-05 TDB
node 256.7890228595717 5.9431e-05 deg
peri 68.50204094943966 6.7413e-05 deg
i 11.33974095204409 7.4339e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      6204 days (16.99 yr)  
   first obs. used      2002-07-10  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48568  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:38:02  

Additional Information
 Jupiter MOID = 2.01993 au 
 T_jup = 3.295 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.183908740256116E-14 -8.342575909335317E-14 -2.158689278478894E-12 4.686419290577312E-13 -3.895757361452753E-12 -3.238047826302922E-13
q -8.342575909335317E-14 2.187254927698789E-13 5.747877631402318E-12 -1.224740452332199E-12 1.020868079540367E-11 8.487566019941618E-13
tp -2.158689278478894E-12 5.747877631402318E-12 4.110586251291662E-9 -1.288735220281983E-10 1.839020230646819E-9 -7.524217024785372E-12
node 4.686419290577312E-13 -1.224740452332199E-12 -1.288735220281983E-10 3.532058428242484E-9 -3.554741105040346E-9 -9.052525411381903E-11
peri -3.895757361452753E-12 1.020868079540367E-11 1.839020230646819E-9 -3.554741105040346E-9 4.54457116817475E-9 1.12870429916972E-10
i -3.238047826302922E-13 8.487566019941618E-13 -7.524217024785372E-12 -9.052525411381903E-11 1.12870429916972E-10 5.526232270234106E-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 17.0   n/a MPO477054  
diameter diameter 2.457 km 0.510 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

437923 (2002 NB70)          Discovered 2002-Jul-10 by NEAT at Palomar
Reference: Last Updated: 2015-07-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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