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78140 (2002 NR16)
Classification: Main-belt Asteroid          SPK-ID: 2078140
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906034557960669 5.236e-08  
a 2.422661929442581 1.2641e-08 au
q 1.960894193465258 1.2431e-07 au
i 3.744028538393795 4.779e-06 deg
node 61.06568880899395 7.329e-05 deg
peri 296.196855120877 7.5015e-05 deg
M 222.1520645563521 2.2769e-05 deg
tp 2459527.894278758100
(2021-Nov-09.39427876)
9.0464e-05 TDB
period 1377.328864170993
3.77
1.078e-05
2.951e-08
d
yr
n .2613754850891636 2.0457e-09 deg/d
Q 2.884429665419905 1.505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      15969 days (43.72 yr)  
   first obs. used      1976-10-22  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:05  

Additional Information
 Earth MOID = .960494 au 
 Jupiter MOID = 2.56589 au 
 T_jup = 3.485 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO468735  
diameter diameter 1.490 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.381   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78140 (2002 NR16)          Discovered 2002-Jul-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 NR16 = 1976 UE18 = 1995 VV8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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