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392387 (2010 JW77)
Classification: Main-belt Asteroid          SPK-ID: 2392387
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04230309193312804 5.8627e-08  
a 2.607729438255801 3.0423e-08 au
q 2.497414420092542 1.5487e-07 au
i 6.339655667399864 6.1092e-06 deg
node 209.6419353344641 5.8497e-05 deg
peri 278.3009721380756 9.7131e-05 deg
M 237.5949319825508 7.8824e-05 deg
tp 2459523.484864411725
(2021-Nov-04.98486441)
0.00033696 TDB
period 1538.127090958211
4.21
2.6917e-05
7.369e-08
d
yr
n .2340508805262183 4.0959e-09 deg/d
Q 2.718044456419061 3.171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8057 days (22.06 yr)  
   first obs. used      1997-05-08  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:50  

Additional Information
 Earth MOID = 1.52154 au 
 Jupiter MOID = 2.30465 au 
 T_jup = 3.401 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457167.5 (2015-May-25.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04086466756945532 5.8183e-08  
q 2.502347960274258 1.5344e-07 au
tp 2456437.989612170460
(2013-May-25.48961217)
0.00035418 TDB
node 209.7061408100776 5.8421e-05 deg
peri 276.5619512133177 9.9834e-05 deg
i 6.34198277033473 6.1135e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8057 days (22.06 yr)  
   first obs. used      1997-05-08  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:50  

Additional Information
 Jupiter MOID = 2.30465 au 
 T_jup = 3.401 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.385235425844421E-15 -8.763930048180629E-15 2.71881419738499E-12 1.10533271322323E-14 6.130116366785513E-13 6.874333949335189E-15
q -8.763930048180629E-15 2.354230618183551E-14 -8.326106892265456E-12 -2.877122338574949E-14 -1.797410619399665E-12 -1.695392437411335E-14
tp 2.71881419738499E-12 -8.326106892265456E-12 1.2544062187056E-7 -1.37514040116027E-10 2.870316016030896E-8 1.23244638354687E-11
node 1.10533271322323E-14 -2.877122338574949E-14 -1.37514040116027E-10 3.412964394455624E-9 -3.42322189979591E-9 -5.052426710444079E-11
peri 6.130116366785513E-13 -1.797410619399665E-12 2.870316016030896E-8 -3.42322189979591E-9 9.966802956734915E-9 5.317400925103747E-11
i 6.874333949335189E-15 -1.695392437411335E-14 1.23244638354687E-11 -5.052426710444079E-11 5.317400925103747E-11 3.737474238831811E-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 16.6   n/a MPO437606  

392387 (2010 JW77)          Discovered 2003-Oct-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2010 JW77 = 2003 TR28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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