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478784 (2012 UV136)
Classification: Apollo [NEO]          SPK-ID: 2478784
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140219053002339 6.0261e-08  
a 1.005143329327076 9.3243e-09 au
q .8642030835572152 5.4363e-08 au
i 2.131768776957049 1.5456e-06 deg
node 208.5927839384586 1.872e-05 deg
peri 288.6254436471658 2.0175e-05 deg
M 97.42433456308135 1.6345e-05 deg
tp 2458900.889443500385
(2020-Feb-21.38944350)		 1.5537e-05 TDB
period 368.07847341921
1.01		 5.1218e-06
1.402e-08		 d
yr
n .9780523067698954 1.3609e-08 deg/d
Q 1.146083575096937 1.0632e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -7.469704309024145E-14 1.935E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
   Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      2799 days (7.66 yr)  
   first obs. used      2012-10-22  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-14 05:24:36  

Additional Information
 Earth MOID = .0101031 au 
 Jupiter MOID = 3.8543 au 
 T_jup = 6.046 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.5   n/a E2013R01  

478784 (2012 UV136)          Discovered 2012-Oct-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-11-20

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