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226950 (2004 UJ4)
Classification: Main-belt Asteroid          SPK-ID: 2226950
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09625158288395026 3.9345e-08  
a 2.584639523837204 2.2248e-08 au
q 2.335863878483453 1.1152e-07 au
i 14.026916633394 8.0657e-06 deg
node 313.3403289443367 1.6739e-05 deg
peri 93.91043014576643 5.1623e-05 deg
M 262.2806855005701 4.7943e-05 deg
tp 2459412.480167302154
(2021-Jul-16.98016730)		 0.00020361 TDB
period 1517.743559587094
4.16		 1.9597e-05
5.365e-08		 d
yr
n .2371942201474002 3.0626e-09 deg/d
Q 2.833415169190954 2.439e-08 au
   Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      7258 days (19.87 yr)  
   first obs. used      2000-12-05  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:04  

Additional Information
 Earth MOID = 1.39588 au 
 Jupiter MOID = 2.48432 au 
 T_jup = 3.374 
[ 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 15.4   n/a MPO437075  

226950 (2004 UJ4)          Discovered 2004-Oct-16 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 UJ4 = 2000 XE36 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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