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243981 (2001 RC50)
Classification: Main-belt Asteroid          SPK-ID: 2243981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07789032780000602 4.8348e-08  
a 2.192554115713643 1.0712e-08 au
q 2.021775356921455 1.1109e-07 au
i 6.257980939260245 3.9491e-06 deg
node 232.0618652038307 4.3858e-05 deg
peri 110.2295911028093 5.1555e-05 deg
M 281.397524101616 2.8089e-05 deg
tp 2459259.415251855767
(2021-Feb-13.91525186)
9.3308e-05 TDB
period 1185.834028797971
3.25
8.6901e-06
2.379e-08
d
yr
n .3035837994672125 2.2247e-09 deg/d
Q 2.363332874505831 1.1546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7938 days (21.73 yr)  
   first obs. used      1998-10-24  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:53:11  

Additional Information
 Earth MOID = 1.02436 au 
 Jupiter MOID = 2.88191 au 
 T_jup = 3.660 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457299.5 (2015-Oct-04.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07757601760096267 4.8408e-08  
q 2.022283589476358 1.111e-07 au
tp 2456886.974959378580
(2014-Aug-17.47495938)
8.7696e-05 TDB
node 232.1228960196892 4.3893e-05 deg
peri 109.9040204701705 5.1611e-05 deg
i 6.255019715052421 3.9479e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7938 days (21.73 yr)  
   first obs. used      1998-10-24  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:53:11  

Additional Information
 Jupiter MOID = 2.88191 au 
 T_jup = 3.660 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.343302240114906E-15 -5.361297286130727E-15 -7.163312548850584E-13 -4.12883631692853E-15 -2.127925923512687E-13 7.312443211248111E-16
q -5.361297286130727E-15 1.234248142735057E-14 1.788922001232715E-12 7.024503033698009E-15 5.409328094980732E-13 -1.391293279444106E-15
tp -7.163312548850584E-13 1.788922001232715E-12 7.690576518724677E-9 -4.932550017807825E-11 2.403108934712654E-9 1.32442734922008E-12
node -4.12883631692853E-15 7.024503033698009E-15 -4.932550017807825E-11 1.926612382243423E-9 -1.929800076624009E-9 3.253655948895266E-12
peri -2.127925923512687E-13 5.409328094980732E-13 2.403108934712654E-9 -1.929800076624009E-9 2.66371033979281E-9 -2.751311365669393E-12
i 7.312443211248111E-16 -1.391293279444106E-15 1.32442734922008E-12 3.253655948895266E-12 -2.751311365669393E-12 1.558603685450047E-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 16.8   n/a MPO427393  

243981 (2001 RC50)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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