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305084 (2007 UJ129)
Classification: Main-belt Asteroid          SPK-ID: 2305084
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427171093051774 1.1469e-07  
a 2.700000909339241 4.8058e-08 au
q 2.314664584436994 3.2198e-07 au
i 7.918745552517662 1.1123e-05 deg
node 68.34047368449181 8.7855e-05 deg
peri 305.4243884652318 0.00010202 deg
M 333.1497901126427 5.8847e-05 deg
tp 2459121.361916530767
(2020-Sep-28.86191653)
0.0002674 TDB
period 1620.482302880003
4.44
4.3265e-05
1.185e-07
d
yr
n .2221560823960804 5.9313e-09 deg/d
Q 3.085337234241488 5.4917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      6138 days (16.80 yr)  
   first obs. used      2002-09-09  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:14  

Additional Information
 Earth MOID = 1.32688 au 
 Jupiter MOID = 2.39889 au 
 T_jup = 3.340 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456356.5 (2013-Mar-05.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459801317380831 1.1498e-07  
q 2.304591085032689 3.2346e-07 au
tp 2455881.922807086467
(2011-Nov-16.42280709)
0.00020031 TDB
node 68.37512558832088 8.7798e-05 deg
peri 305.5886623868545 0.00010122 deg
i 7.925284480756049 1.1136e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      6138 days (16.80 yr)  
   first obs. used      2002-09-09  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:14  

Additional Information
 Jupiter MOID = 2.39889 au 
 T_jup = 3.340 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.321963645515507E-14 -3.691978948559653E-14 -3.818419430101738E-12 -8.809260645245005E-14 -9.323328057356959E-13 -5.442265895388287E-14
q -3.691978948559653E-14 1.04625362148481E-13 1.503142090058008E-11 2.370567215927932E-13 3.746894509885912E-12 1.575415182928213E-13
tp -3.818419430101738E-12 1.503142090058008E-11 4.012304279826116E-8 -9.981212316349496E-12 1.02578465753119E-8 4.446280429514046E-11
node -8.809260645245005E-14 2.370567215927932E-13 -9.981212316349496E-12 7.708488008948501E-9 -7.634846179441749E-9 -1.923608488579693E-10
peri -9.323328057356959E-13 3.746894509885912E-12 1.02578465753119E-8 -7.634846179441749E-9 1.024576800926262E-8 2.022713024407841E-10
i -5.442265895388287E-14 1.575415182928213E-13 4.446280429514046E-11 -1.923608488579693E-10 2.022713024407841E-10 1.240197805062968E-10

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 17.2   n/a MPO251882  

305084 (2007 UJ129)          Discovered 2007-Oct-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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