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243126 (2007 RU245)
Classification: Main-belt Asteroid          SPK-ID: 2243126
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1099822050455829 5.8794e-08  
a 3.099822747227544 3.8943e-08 au
q 2.758897406237002 1.8501e-07 au
i 17.1240004224315 8.1578e-06 deg
node 158.8857441974613 1.6949e-05 deg
peri 236.6605811196989 3.9623e-05 deg
M 84.25728177644909 3.263e-05 deg
tp 2458533.938754468460
(2019-Feb-19.43875447)		 0.00018211 TDB
period 1993.442523306059
5.46		 3.7565e-05
1.028e-07		 d
yr
n .1805921142902841 3.4031e-09 deg/d
Q 3.440748088218086 4.3226e-08 au
   Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      6751 days (18.48 yr)  
   first obs. used      2000-05-10  
   last obs. used      2018-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:39:05  

Additional Information
 Earth MOID = 1.80054 au 
 Jupiter MOID = 2.09901 au 
 T_jup = 3.145 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456951.5 (2014-Oct-21.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061743443978879 5.7882e-08  
q 2.7748171092576 1.8109e-07 au
tp 2456541.902480776399
(2013-Sep-06.40248078)		 0.00020224 TDB
node 158.9328218372467 1.696e-05 deg
peri 237.2226342015358 4.0939e-05 deg
i 17.10478251172008 8.1504e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      6751 days (18.48 yr)  
   first obs. used      2000-05-10  
   last obs. used      2018-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:39:05  

Additional Information
 Jupiter MOID = 2.09901 au 
 T_jup = 3.145 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.350324017411142E-15 -1.027799773209207E-14 -5.338527552727517E-12 2.171036689030594E-14 -1.039466285531321E-12 1.968074784495536E-15
q -1.027799773209207E-14 3.279421111506582E-14 1.357052370111225E-11 -6.677893147552319E-14 2.735189429903162E-12 -3.67257164053511E-15
tp -5.338527552727517E-12 1.357052370111225E-11 4.09014528056518E-8 -7.065132680474362E-11 7.544740080121079E-9 -1.178970022960362E-11
node 2.171036689030594E-14 -6.677893147552319E-14 -7.065132680474362E-11 2.876456750741536E-10 -2.879880916427589E-10 1.34143937953969E-11
peri -1.039466285531321E-12 2.735189429903162E-12 7.544740080121079E-9 -2.879880916427589E-10 1.676029295635139E-9 -1.487483326282762E-11
i 1.968074784495536E-15 -3.67257164053511E-15 -1.178970022960362E-11 1.34143937953969E-11 -1.487483326282762E-11 6.642905173680676E-11

[ 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 MPO454783  
diameter diameter 5.090 km 0.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243126 (2007 RU245)          Discovered 2007-Sep-12 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2177-Jun-15 09:13 00:06 David 0.0439093695799404 0.0438525052377064 0.0439662914736686 5.20062819379375 5.20062812763763 2516358.884240086 6.14127709503261 3784.18842187801 64.5881394171318 -41.4776545955824 67335.6460673528 T 16 CATAB v2.0e-lin.ifort 2019-Jul-14 09:39:13 2019-Jul-14 09:39
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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