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(2012 UK171)
Classification: Aten [NEO]          SPK-ID: 3615463
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219632537653453 1.8857e-07  
a .8592361608131742 4.9784e-09 au
q .6685173068062386 1.6586e-07 au
i 1.331279362433552 3.7125e-06 deg
node 250.8304007382081 6.4337e-05 deg
peri 357.857954520658 7.2779e-05 deg
M 319.1035899360328 5.114e-05 deg
tp 2459033.548361445866
(2020-Jul-03.04836145)
4.1049e-05 TDB
period 290.9157576888172
0.80
2.5284e-06
6.922e-09
d
yr
n 1.237471640793964 1.0755e-08 deg/d
Q 1.04995501482011 6.0835e-09 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      2945 days (8.06 yr)  
   first obs. used      2012-10-25  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-18 05:27:59  

Additional Information
 Earth MOID = .0140215 au 
 Jupiter MOID = 3.96043 au 
 T_jup = 6.848 
[ 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 24.4   n/a MPO437984  

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