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JPL Small-Body Database Browser
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347681 (2001 UJ164)
Classification: Main-belt Asteroid          SPK-ID: 2347681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128557913254102 4.9492e-08  
a 2.32784950106881 1.5446e-08 au
q 2.028586026841801 1.1501e-07 au
i 6.755884317876471 6.5952e-06 deg
node 189.6231471675133 3.2184e-05 deg
peri 140.5727585601817 4.0208e-05 deg
M 142.6956166464864 2.2749e-05 deg
tp 2458486.291907346432
(2019-Jan-02.79190735)
8.0949e-05 TDB
period 1297.271196591044
3.55
1.2911e-05
3.535e-08
d
yr
n .2775055832165273 2.7619e-09 deg/d
Q 2.627112975295818 1.7431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      9693 days (26.54 yr)  
   first obs. used      1993-05-23  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:12:54  

Additional Information
 Earth MOID = 1.02357 au 
 Jupiter MOID = 2.71523 au 
 T_jup = 3.553 
[ 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 16.5   n/a MPO455523  

347681 (2001 UJ164)          Discovered 2001-Oct-18 by NEAT at Palomar
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

Alternate Designations
 2001 UJ164 = 2007 FH41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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