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78185 (2002 NE38)
Classification: Main-belt Asteroid          SPK-ID: 2078185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09705059368702171 5.8186e-08  
a 3.008501926340436 2.3274e-08 au
q 2.716525028280548 1.7611e-07 au
i 10.63407627184933 7.5193e-06 deg
node 177.5997588775362 2.4951e-05 deg
peri 157.244378565411 3.9498e-05 deg
M 136.6632987042075 3.002e-05 deg
tp 2458276.942138969054
(2018-Jun-07.44213897)
0.00015873 TDB
period 1906.004263331315
5.22
2.2117e-05
6.055e-08
d
yr
n .1888768073219269 2.1917e-09 deg/d
Q 3.300478824400324 2.5532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      8201 days (22.45 yr)  
   first obs. used      1997-09-06  
   last obs. used      2020-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:50  

Additional Information
 Earth MOID = 1.71102 au 
 Jupiter MOID = 2.13213 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456794.5 (2014-May-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09724315871965805 5.6976e-08  
q 2.714181554711415 1.7156e-07 au
tp 2456354.456443472376
(2013-Mar-02.95644347)
0.00016058 TDB
node 177.7343966779467 2.5039e-05 deg
peri 154.2190787733282 3.9673e-05 deg
i 10.61134905606166 7.5063e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      8201 days (22.45 yr)  
   first obs. used      1997-09-06  
   last obs. used      2020-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:50  

Additional Information
 Jupiter MOID = 2.13213 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.246284180299371E-15 -9.703405145938193E-15 4.239365452097136E-12 1.641453896126334E-14 7.873300626894823E-13 -1.822790388274823E-15
q -9.703405145938193E-15 2.943419822084766E-14 -1.299562888677099E-11 -4.505704397227241E-14 -2.398293352326904E-12 8.090126433698159E-15
tp 4.239365452097136E-12 -1.299562888677099E-11 2.578631670353071E-8 6.897546721492179E-11 4.954412108023117E-9 8.442661785154979E-12
node 1.641453896126334E-14 -4.505704397227241E-14 6.897546721492179E-11 6.269411268331337E-10 -6.029516679013383E-10 4.373812019787075E-11
peri 7.873300626894823E-13 -2.398293352326904E-12 4.954412108023117E-9 -6.029516679013383E-10 1.573915480174851E-9 -4.142795634984116E-11
i -1.822790388274823E-15 8.090126433698159E-15 8.442661785154979E-12 4.373812019787075E-11 -4.142795634984116E-11 5.63446216894804E-11

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 14.7   n/a MPO351394  
diameter diameter 4.274 km 0.916 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78185 (2002 NE38)          Discovered 2002-Jul-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 NE38 = 1997 RM11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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