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JPL Small-Body Database Browser
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(2019 UD2)
Classification: Apollo [NEO]          SPK-ID: 3879284
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.


Orbital Elements at Epoch 2458777.5 (2019-Oct-21.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4736187227768843 0.0014592  
a 1.87852925052589 0.005157 au
q .9888226261928003 0.00023233 au
i 4.565399742469616 0.013959 deg
node 35.40968444256849 0.013483 deg
peri 22.18520867917409 0.091008 deg
M 350.2411295128093 0.047741 deg
tp 2458802.993086716078
(2019-Nov-15.49308672)
0.059821 TDB
period 940.4276068459258
2.57
3.8726
0.0106
d
yr
n .3828045852539294 0.0015763 deg/d
Q 2.76823587485898 0.0075995 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      1 day  
   first obs. used      2019-10-20  
   last obs. used      2019-10-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .50746  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:00:08  

Additional Information
 Earth MOID = .0127356 au 
 Jupiter MOID = 2.60922 au 
 T_jup = 3.825 
[ show covariance matrix ]

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 26.6   .54939 MPO502107 autocmod 2.8

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