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469250 (2016 JO23)
Classification: Main-belt Asteroid          SPK-ID: 2469250
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2378977126355038 7.1322e-08  
a 2.617297957888207 3.9031e-08 au
q 1.994648760421028 1.9611e-07 au
i 32.24804891085487 1.8684e-05 deg
node 37.78255653773847 1.1662e-05 deg
peri 233.7136525141849 4.0606e-05 deg
M 310.2413480710529 3.8539e-05 deg
tp 2459214.268781350514
(2020-Dec-30.76878135)
0.00016809 TDB
period 1546.600607188379
4.23
3.4596e-05
9.472e-08
d
yr
n .2327685624373683 5.2068e-09 deg/d
Q 3.239947155355387 4.8316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      7661 days (20.97 yr)  
   first obs. used      1999-05-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:46:51  

Additional Information
 Earth MOID = 1.08114 au 
 Jupiter MOID = 2.05521 au 
 T_jup = 3.153 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457762.5 (2017-Jan-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2372826488321949 7.1713e-08  
q 1.996651133045602 1.9724e-07 au
tp 2457666.325017498225
(2016-Oct-04.82501750)
0.00015264 TDB
node 37.80037333684377 1.1659e-05 deg
peri 233.5522668494913 4.0673e-05 deg
i 32.24899256707776 1.8685e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      7661 days (20.97 yr)  
   first obs. used      1999-05-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:46:51  

Additional Information
 Jupiter MOID = 2.05521 au 
 T_jup = 3.153 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.142715698780421E-15 -1.399224519535143E-14 -9.291180319661546E-12 7.551097663673812E-14 -2.351977712862392E-12 -2.455110622379448E-13
q -1.399224519535143E-14 3.890447142845826E-14 2.600235763395253E-11 -2.070913773790863E-13 6.598690555949765E-12 6.904376329985775E-13
tp -9.291180319661546E-12 2.600235763395253E-11 2.329847768697289E-8 -1.789737388826417E-10 5.994873903845188E-9 5.928310308676197E-10
node 7.551097663673812E-14 -2.070913773790863E-13 -1.789737388826417E-10 1.359405585167261E-10 -1.586264549920497E-10 -1.586538616436291E-10
peri -2.351977712862392E-12 6.598690555949765E-12 5.994873903845188E-9 -1.586264549920497E-10 1.654283301088001E-9 2.8225377161168E-10
i -2.455110622379448E-13 6.904376329985775E-13 5.928310308676197E-10 -1.586538616436291E-10 2.8225377161168E-10 3.491146494623452E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO437767  

469250 (2016 JO23)          Discovered 1999-May-08 by CSS at Catalina
Reference: Last Updated: 2016-06-21

Alternate Designations
 2016 JO23 = 1999 JL2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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