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(2019 UJ3)
Classification: Apollo [NEO]          SPK-ID: 3879311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .301903680639183 0.0005512  
a 1.037406325036172 0.0002505 au
q .7242095371893833 0.00039696 au
i 1.049347961315918 0.0020297 deg
node 303.7657607091816 0.061292 deg
peri 193.1277262816495 0.056352 deg
M 320.0478999483129 0.080975 deg
tp 2459243.331065267378
(2021-Jan-28.83106527)
0.10232 TDB
period 385.9417521559033
1.06
0.13979
0.0003827
d
yr
n .9327832451114957 0.00033785 deg/d
Q 1.350603112882962 0.00032612 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      7 days  
   first obs. used      2019-10-19  
   last obs. used      2019-10-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .44124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:00:15  

Additional Information
 Earth MOID = .0166658 au 
 Jupiter MOID = 3.67464 au 
 T_jup = 5.867 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458777.5 (2019-Oct-21.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .30197979187572 0.00055062  
q .7238899214696042 0.00039488 au
tp 2458857.463078884001
(2020-Jan-08.96307888)
0.038496 TDB
node 307.1276593522654 0.041763 deg
peri 189.8520218428667 0.037596 deg
i 1.047321579802039 0.0020938 deg
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      7 days  
   first obs. used      2019-10-19  
   last obs. used      2019-10-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .44124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:00:15  

Additional Information
 Jupiter MOID = 3.67464 au 
 T_jup = 5.867 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.031777260351395E-7 -2.174280720122593E-7 -2.11961301591597E-5 2.254366864101109E-5 -2.020506656405634E-5 1.152668818902707E-6
q -2.174280720122593E-7 1.559327404907326E-7 1.520101410025767E-5 -1.61647678609829E-5 1.448736389989876E-5 -8.266375290852708E-7
tp -2.11961301591597E-5 1.520101410025767E-5 .001481919115680241 -.001575139346992064 .001411678922452423 -8.058189485644718E-5
node 2.254366864101109E-5 -1.61647678609829E-5 -.001575139346992064 .001744142435546939 -.001569728448333794 8.604435497748034E-5
peri -2.020506656405634E-5 1.448736389989876E-5 .001411678922452423 -.001569728448333794 .001413423291009843 -7.715055980380163E-5
i 1.152668818902707E-6 -8.266375290852708E-7 -8.058189485644718E-5 8.604435497748034E-5 -7.715055980380163E-5 4.384081605605632E-6

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 26.1   .33898 MPO502112 autocmod 2.8

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