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70239 (1999 RA71)
Classification: Main-belt Asteroid          SPK-ID: 2070239
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1751082766940809 4.5253e-08  
a 2.531145724100196 8.6181e-09 au
q 2.087921158291419 1.158e-07 au
i .7484196059392891 5.7784e-06 deg
node 322.567502245963 0.00024635 deg
peri 56.28845122553683 0.00024686 deg
M 29.76157725523098 1.5706e-05 deg
tp 2458878.901674761309
(2020-Jan-30.40167476)
6.403e-05 TDB
period 1470.86952786532
4.03
7.5121e-06
2.057e-08
d
yr
n .2447531838683678 1.25e-09 deg/d
Q 2.974370289908972 1.0127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      8924 days (24.43 yr)  
   first obs. used      1995-08-19  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:06:52  

Additional Information
 Earth MOID = 1.09015 au 
 Jupiter MOID = 2.48932 au 
 T_jup = 3.429 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456988.5 (2014-Nov-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770156120608054 4.5763e-08  
q 2.082608672478417 1.175e-07 au
tp 2457405.310711589108
(2016-Jan-17.81071159)
6.1063e-05 TDB
node 323.0251533658037 0.00024551 deg
peri 55.33361205953724 0.000246 deg
i .7498099708490791 5.7855e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      8924 days (24.43 yr)  
   first obs. used      1995-08-19  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:06:52  

Additional Information
 Jupiter MOID = 2.48932 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.094238558587188E-15 -5.367448461198433E-15 -1.825109292270563E-12 1.950613551766854E-14 -4.253845007926279E-13 1.308452641548671E-16
q -5.367448461198433E-15 1.380581277470359E-14 4.691316078488875E-12 -4.952980035239167E-14 1.089101777532048E-12 -2.642597632084597E-16
tp -1.825109292270563E-12 4.691316078488875E-12 3.728732521455118E-9 -2.892596283784646E-11 9.515757557254485E-10 3.15315530352211E-13
node 1.950613551766854E-14 -4.952980035239167E-14 -2.892596283784646E-11 6.027751576498049E-8 -6.027854554157657E-8 2.650488046242088E-10
peri -4.253845007926279E-13 1.089101777532048E-12 9.515757557254485E-10 -6.027854554157657E-8 6.051808905195644E-8 -2.649518312909472E-10
i 1.308452641548671E-16 -2.642597632084597E-16 3.15315530352211E-13 2.650488046242088E-10 -2.649518312909472E-10 3.347223872957614E-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 15.8   n/a MPO493358  

70239 (1999 RA71)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RA71 = 1995 SM49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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