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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752470527002499 3.6657e-08  
a 2.531618946380339 8.0268e-09 au
q 2.087960187467073 9.2489e-08 au
i .7484182160483045 5.4487e-06 deg
node 322.5689174278936 0.00021902 deg
peri 56.32013329180999 0.00021959 deg
M 78.6630752677752 1.5053e-05 deg
tp 2458879.012306584693
(2020-Jan-30.51230658)
6.1302e-05 TDB
period 1471.282037163405
4.03
6.9973e-06
1.916e-08
d
yr
n .2446845614278489 1.1637e-09 deg/d
Q 2.975277705293606 9.4334e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      9330 days (25.54 yr)  
   first obs. used      1995-08-19  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:24  

Additional Information
 Earth MOID = 1.08883 au 
 Jupiter MOID = 2.48955 au 
 T_jup = 3.429 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457367.5 (2015-Dec-11.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17689917592009 3.7213e-08  
q 2.083077766830812 9.4221e-08 au
tp 2457405.199222331420
(2016-Jan-17.69922233)
5.913e-05 TDB
node 323.0246023408668 0.00021856 deg
peri 55.28106423161597 0.00021911 deg
i .7496806539054613 5.4522e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      9330 days (25.54 yr)  
   first obs. used      1995-08-19  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:24  

Additional Information
 Jupiter MOID = 2.48955 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.384800671759669E-15 -3.497660682461662E-15 -1.421326134087595E-12 1.449459757311413E-14 -3.666410793354998E-13 3.436646249026657E-17
q -3.497660682461662E-15 8.877627610574253E-15 3.626232533389135E-12 -3.680775556979858E-14 9.345773471693117E-13 -2.195057105440007E-17
tp -1.421326134087595E-12 3.626232533389135E-12 3.496395991406117E-9 -2.909850435812578E-11 9.207668565175766E-10 2.812458340971872E-13
node 1.449459757311413E-14 -3.680775556979858E-14 -2.909850435812578E-11 4.777056504855521E-8 -4.777314647928156E-8 5.922837312563062E-11
peri -3.666410793354998E-13 9.345773471693117E-13 9.207668565175766E-10 -4.777314647928156E-8 4.801005753974303E-8 -5.916678001713376E-11
i 3.436646249026657E-17 -2.195057105440007E-17 2.812458340971872E-13 5.922837312563062E-11 -5.916678001713376E-11 2.972614891232749E-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 15.81   n/a MPCxxxxx  

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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