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(2019 UJ6)
Classification: Apollo [NEO]          SPK-ID: 3879720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978497565798459 0.0001471  
a 1.219621805348039 0.0002218 au
q .9783199280404578 1.5111e-06 au
i 13.07869805204573 0.0076907 deg
node 212.5845476351367 0.00022568 deg
peri 209.743618846756 0.0060067 deg
M 138.9039927166881 0.032782 deg
tp 2458810.677177716056
(2019-Nov-23.17717772)
0.006985 TDB
period 491.9672551213131
1.35
0.1342
0.0003674
d
yr
n .731756018825335 0.00019962 deg/d
Q 1.460923682655621 0.00026568 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      5 days  
   first obs. used      2019-10-23  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .4925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-19 05:16:42  

Additional Information
 Earth MOID = .00625743 au 
 Jupiter MOID = 3.84504 au 
 T_jup = 5.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458782.5 (2019-Oct-26.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956250477035449 0.00015005  
q .9783382093314805 1.387e-06 au
tp 2458810.822031395635
(2019-Nov-23.32203140)
0.0073655 TDB
node 212.6382064167088 0.00032455 deg
peri 209.8063289855932 0.0062524 deg
i 13.16167447991605 0.0075885 deg
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      5 days  
   first obs. used      2019-10-23  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .4925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-19 05:16:42  

Additional Information
 Jupiter MOID = 3.84504 au 
 T_jup = 5.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.251554420264821E-8 -2.040981811245383E-10 -1.104918230571579E-6 -4.868964052112119E-8 -9.37755919923915E-7 1.138525615514632E-6
q -2.040981811245383E-10 1.92383941739217E-12 9.971846660758724E-9 4.412878107461587E-10 8.450430440929341E-9 -1.031953841001191E-8
tp -1.104918230571579E-6 9.971846660758724E-9 5.425038394051258E-5 2.38917482238028E-6 4.605089972024863E-5 -5.586705845151326E-5
node -4.868964052112119E-8 4.412878107461587E-10 2.38917482238028E-6 1.053339444313149E-7 2.027668586841935E-6 -2.462811166015031E-6
peri -9.37755919923915E-7 8.450430440929341E-9 4.605089972024863E-5 2.027668586841935E-6 3.909300653138867E-5 -4.741397129501256E-5
i 1.138525615514632E-6 -1.031953841001191E-8 -5.586705845151326E-5 -2.462811166015031E-6 -4.741397129501256E-5 5.758607989282438E-5

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.2   .34197 E2019-WE6 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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