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186394 (2002 NG51)
Classification: Main-belt Asteroid          SPK-ID: 2186394
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951262845079617 5.1598e-08  
a 2.192627836685097 9.7199e-09 au
q 1.764788513604004 1.1666e-07 au
i .3723136919194962 5.3497e-06 deg
node 171.3957396319002 0.0006947 deg
peri 133.6038205694173 0.00069485 deg
M 292.9298313737301 1.4263e-05 deg
tp 2459617.439165581554
(2022-Feb-06.93916558)
4.7733e-05 TDB
period 1185.893836834727
3.25
7.8856e-06
2.159e-08
d
yr
n .3035684888631155 2.0186e-09 deg/d
Q 2.62046715976619 1.1616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      8959 days (24.53 yr)  
   first obs. used      1996-11-17  
   last obs. used      2021-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:45:19  

Additional Information
 Earth MOID = .749163 au 
 Jupiter MOID = 2.61419 au 
 T_jup = 3.646 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457385.5 (2015-Dec-29.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1954099203623276 5.1564e-08  
q 1.76431988288359 1.1663e-07 au
tp 2457245.245403291731
(2015-Aug-10.74540329)
4.1664e-05 TDB
node 171.3442176920815 0.00069606 deg
peri 133.6650088804965 0.00069621 deg
i .3715458271231522 5.3506e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      8959 days (24.53 yr)  
   first obs. used      1996-11-17  
   last obs. used      2021-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:45:19  

Additional Information
 Jupiter MOID = 2.61419 au 
 T_jup = 3.646 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.658847660192692E-15 -6.00275076727661E-15 3.326153091070752E-13 -4.383460144278223E-14 2.399794818303652E-13 -8.552654571995657E-16
q -6.00275076727661E-15 1.360207903182593E-14 -6.588763826141501E-13 9.925968492315663E-14 -5.129364650760313E-13 1.97707570286831E-15
tp 3.326153091070752E-13 -6.588763826141501E-13 1.735909180756126E-9 -7.317786426877832E-12 6.128267475382904E-10 4.193750305438418E-14
node -4.383460144278223E-14 9.925968492315663E-14 -7.317786426877832E-12 4.844934052721017E-7 -4.844856908249798E-7 2.362847635837265E-10
peri 2.399794818303652E-13 -5.129364650760313E-13 6.128267475382904E-10 -4.844856908249798E-7 4.84704326295195E-7 -2.362829884990334E-10
i -8.552654571995657E-16 1.97707570286831E-15 4.193750305438418E-14 2.362847635837265E-10 -2.362829884990334E-10 2.862849224051024E-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 17.77   n/a MPCxxxxx  

186394 (2002 NG51)          Discovered 2002-Jul-05 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2002 NG51 = 2005 JC19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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