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JPL Small-Body Database Browser
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80024 (1999 JJ4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2080024
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05253668645607653 4.8835e-08  
a 1.963904476448295 7.5234e-09 au
q 1.860727442739445 9.6354e-08 au
i 19.28578127051094 5.255e-06 deg
node 227.3812712329328 1.3228e-05 deg
peri 344.8334682910753 4.9742e-05 deg
M 247.2549085714062 5.1534e-05 deg
tp 2459315.328550108562
(2021-Apr-10.82855011)
0.00014493 TDB
period 1005.261307636298
2.75
5.7765e-06
1.582e-08
d
yr
n .3581158423837867 2.0578e-09 deg/d
Q 2.067081510157144 7.9187e-09 au
  Orbit Determination Parameters
   # obs. used (total)      875  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1999-04-20  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:51:20  

Additional Information
 Earth MOID = .854336 au 
 Jupiter MOID = 2.91936 au 
 T_jup = 3.808 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457198.5 (2015-Jun-25.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05258439564673563 4.8872e-08  
q 1.8606588150866 9.6424e-08 au
tp 2457305.060843488651
(2015-Oct-09.56084349)
0.00013847 TDB
node 227.3944054558905 1.3228e-05 deg
peri 344.8743411462083 4.9677e-05 deg
i 19.28559636674268 5.2557e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      875  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1999-04-20  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:51:20  

Additional Information
 Jupiter MOID = 2.91936 au 
 T_jup = 3.808 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.38845763099381E-15 -4.699460856308581E-15 -1.022832233659943E-12 1.653711922383963E-14 -3.996867756865573E-13 8.42509791161726E-15
q -4.699460856308581E-15 9.29764272694612E-15 2.52279647736402E-12 -3.229590022717951E-14 9.589201876691712E-13 -1.729100286695275E-14
tp -1.022832233659943E-12 2.52279647736402E-12 1.917379556042472E-8 -3.346499612289198E-13 6.640800573343505E-9 -2.093361002042531E-11
node 1.653711922383963E-14 -3.229590022717951E-14 -3.346499612289198E-13 1.749809916504329E-10 -1.654241053883516E-10 -1.921733149209084E-11
peri -3.996867756865573E-13 9.589201876691712E-13 6.640800573343505E-9 -1.654241053883516E-10 2.46781762452709E-9 1.111227278967018E-11
i 8.42509791161726E-15 -1.729100286695275E-14 -2.093361002042531E-11 -1.921733149209084E-11 1.111227278967018E-11 2.762248547145804E-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 16.0   n/a MPO502637  

80024 (1999 JJ4)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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