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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101397512226453 5.8781e-08  
a 3.099441031025843 3.1131e-08 au
q 2.758069366939397 1.8397e-07 au
i 17.125896631604 7.9354e-06 deg
node 158.8843600285238 1.5287e-05 deg
peri 236.6107873483181 3.3936e-05 deg
M 120.4163546762692 2.9917e-05 deg
tp 2458533.836820965046
(2019-Feb-19.33682097)
0.00016433 TDB
period 1993.074321987266
5.46
3.0028e-05
8.221e-08
d
yr
n .1806254769471161 2.7213e-09 deg/d
Q 3.440812695112289 3.456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      7644 days (20.93 yr)  
   first obs. used      2000-05-10  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:07:13  

Additional Information
 Earth MOID = 1.79836 au 
 Jupiter MOID = 2.09926 au 
 T_jup = 3.145 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457409.5 (2016-Jan-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083864265103173 5.8309e-08  
q 2.764625087362265 1.8173e-07 au
tp 2456542.517180620219
(2013-Sep-07.01718062)
0.00016842 TDB
node 158.9154705904926 1.528e-05 deg
peri 236.9507513364576 3.4518e-05 deg
i 17.12630589436502 7.9358e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      7644 days (20.93 yr)  
   first obs. used      2000-05-10  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:07:13  

Additional Information
 Jupiter MOID = 2.09926 au 
 T_jup = 3.145 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.399891529921469E-15 -1.047259802907172E-14 -5.391953561093E-12 1.369985503289725E-14 -1.049106558095211E-12 3.686452161614638E-15
q -1.047259802907172E-14 3.302524828150273E-14 1.616459948680441E-11 -4.307752281789388E-14 3.214459453684331E-12 -8.977898511622592E-15
tp -5.391953561093E-12 1.616459948680441E-11 2.836638327618368E-8 -4.582158917568277E-11 5.212089108755578E-9 -1.14017238279649E-11
node 1.369985503289725E-14 -4.307752281789388E-14 -4.582158917568277E-11 2.334718595994073E-10 -2.31228305245832E-10 2.633941039411303E-11
peri -1.049106558095211E-12 3.214459453684331E-12 5.212089108755578E-9 -2.31228305245832E-10 1.19151695205258E-9 -2.700050458663515E-11
i 3.686452161614638E-15 -8.977898511622592E-15 -1.14017238279649E-11 2.633941039411303E-11 -2.700050458663515E-11 6.297739636421354E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.53   n/a MPCxxxxx  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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