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78203 (2002 NX50)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078203
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07439313555051151 4.655e-08  
a 3.235435178137059 2.8898e-08 au
q 2.994741010365015 1.4869e-07 au
i 16.99242382283456 5.2719e-06 deg
node 105.9706525896633 1.6462e-05 deg
peri 261.2767999011327 4.1775e-05 deg
M 327.4036926386476 3.6053e-05 deg
tp 2459192.970150147366
(2020-Dec-09.47015015)
0.00021231 TDB
period 2125.678018829955
5.82
2.8479e-05
7.797e-08
d
yr
n .1693577281276852 2.269e-09 deg/d
Q 3.476129345909102 3.1048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      7985 days (21.86 yr)  
   first obs. used      1998-12-15  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:46  

Additional Information
 Earth MOID = 2.05045 au 
 Jupiter MOID = 1.95258 au 
 T_jup = 3.112 
[ 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 14.0   n/a MPO436329  
diameter diameter 8.902 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78203 (2002 NX50)          Discovered 2002-Jul-15 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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