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JPL Small-Body Database Browser
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(2011 UL169)
Classification: Apollo [NEO]          SPK-ID: 3583810
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .377539382246821 0.00021426  
a 1.460647652269331 0.00043641 au
q .9091956399512983 4.1337e-05 au
i 6.812103927238118 0.0031279 deg
node 212.3325366134594 0.00040841 deg
peri 132.8894773037901 0.0025068 deg
M 110.8811001614263 0.72211 deg
tp 2458401.903472754844
(2018-Oct-10.40347275)
1.2043 TDB
period 644.7875219867998
1.77
0.28897
0.0007912
d
yr
n .5583234596270149 0.00025022 deg/d
Q 2.012099664587363 0.00060117 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      4 days  
   first obs. used      2011-10-27  
   last obs. used      2011-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .46401  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:52:11  

Additional Information
 Earth MOID = .00100712 au 
 Jupiter MOID = 3.4247 au 
 T_jup = 4.537 
[ 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 28.3   n/a MPO210279  

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