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JPL Small-Body Database Browser
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(2019 UN12)
Classification: Apollo [NEO, PHA]          SPK-ID: 3888754
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8421744877141144 0.00018677  
a 2.274581919339803 0.0021873 au
q .3589870566560173 7.9616e-05 au
i 4.993799308199237 0.0018455 deg
node 226.4189558465358 0.00051108 deg
peri 297.7372963861694 0.00013275 deg
M 290.3052889358328 0.10273 deg
tp 2458843.076162865664
(2019-Dec-25.57616287)
0.0076653 TDB
period 1252.999220432059
3.43
1.8074
0.004948
d
yr
n .2873106336617392 0.00041443 deg/d
Q 4.190176782023588 0.0040294 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      18 days  
   first obs. used      2019-10-26  
   last obs. used      2019-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .28457  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 19:59:06  

Additional Information
 Earth MOID = .00676501 au 
 Jupiter MOID = .909818 au 
 T_jup = 2.998 
[ 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 21.924   .34168 16 autocmod 2.8

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