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JPL Small-Body Database Browser
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146654 (2001 UG101)
Classification: Main-belt Asteroid          SPK-ID: 2146654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09502413369190592 5.4471e-08  
a 2.574138179662113 1.5249e-08 au
q 2.329532929136461 1.4477e-07 au
i 1.647964820629344 5.3606e-06 deg
node 42.15749212098942 0.00015743 deg
peri 172.9405640410895 0.00015901 deg
M 343.1982088212966 2.2338e-05 deg
tp 2459070.904317539855
(2020-Aug-09.40431754)
9.3693e-05 TDB
period 1508.503114029519
4.13
1.3404e-05
3.67e-08
d
yr
n .2386471705970607 2.1206e-09 deg/d
Q 2.818743430187765 1.6698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      9128 days (24.99 yr)  
   first obs. used      1995-02-06  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:40  

Additional Information
 Earth MOID = 1.32265 au 
 Jupiter MOID = 2.14618 au 
 T_jup = 3.421 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO426925  

146654 (2001 UG101)          Discovered 2001-Oct-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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