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129037 (2004 UL4)
Classification: Main-belt Asteroid          SPK-ID: 2129037
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08869503454394302 4.6304e-08  
a 3.054002893554801 3.4364e-08 au
q 2.783128001413656 1.5368e-07 au
i 14.69932116655133 1.0978e-05 deg
node 308.2570927002395 2.0512e-05 deg
peri 110.7120744500766 7.3551e-05 deg
M 311.0429913140161 7.3469e-05 deg
tp 2459265.603197900154
(2021-Feb-20.10319790)
0.00040011 TDB
period 1949.407322988229
5.34
3.2903e-05
9.008e-08
d
yr
n .1846715131079734 3.1169e-09 deg/d
Q 3.324877785695946 3.7412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      8008 days (21.92 yr)  
   first obs. used      1998-08-27  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:39:19  

Additional Information
 Earth MOID = 1.83736 au 
 Jupiter MOID = 1.95482 au 
 T_jup = 3.180 
[ 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 15.1   n/a MPO475129  

129037 (2004 UL4)          Discovered 2004-Oct-16 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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