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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1751082750819943 4.5071e-08  
a 2.531145724269479 8.6074e-09 au
q 2.087921162511485 1.1531e-07 au
i .7484198029206475 5.7679e-06 deg
node 322.5675108913051 0.00024611 deg
peri 56.28844272611917 0.00024662 deg
M 29.76157699179364 1.5681e-05 deg
tp 2458878.901675825449
(2020-Jan-30.40167583)
6.393e-05 TDB
period 1470.869528012877
4.03
7.5027e-06
2.054e-08
d
yr
n .2447531838438142 1.2485e-09 deg/d
Q 2.974370286027473 1.0115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      9188 days (25.16 yr)  
   first obs. used      1995-08-19  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:32  

Additional Information
 Earth MOID = 1.09015 au 
 Jupiter MOID = 2.48932 au 
 T_jup = 3.429 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456996.5 (2014-Dec-05.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770123546134008 4.558e-08  
q 2.08262799771236 1.1701e-07 au
tp 2457405.307959021660
(2016-Jan-17.80795902)
6.0985e-05 TDB
node 323.0251070798731 0.00024527 deg
peri 55.33204725516489 0.00024576 deg
i .7498105142874557 5.775e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      9188 days (25.16 yr)  
   first obs. used      1995-08-19  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:32  

Additional Information
 Jupiter MOID = 2.48932 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.077557074679531E-15 -5.32364997343378E-15 -1.812436247869693E-12 1.942882967389758E-14 -4.230923203450786E-13 1.308981868267895E-16
q -5.32364997343378E-15 1.369081693903159E-14 4.658019826372039E-12 -4.933167844513079E-14 1.083081648163814E-12 -2.644325771023341E-16
tp -1.812436247869693E-12 4.658019826372039E-12 3.719135413265163E-9 -2.896780912761902E-11 9.499401085324118E-10 3.119478150818143E-13
node 1.942882967389758E-14 -4.933167844513079E-14 -2.896780912761902E-11 6.015956128793585E-8 -6.016061766961911E-8 2.612622483305546E-10
peri -4.230923203450786E-13 1.083081648163814E-12 9.499401085324118E-10 -6.016061766961911E-8 6.039989422942246E-8 -2.611665026760947E-10
i 1.308981868267895E-16 -2.644325771023341E-16 3.119478150818143E-13 2.612622483305546E-10 -2.611665026760947E-10 3.33502389112686E-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

[ hide close-approach data ]
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
1956-Jun-17 16:57 < 00:01 Eunom 0.00942769687443164 0.00942558276142443 0.00942981758051999 3.68247662733955 3.68247622299806 2435642.206422090 0.756234069861223 416.707742471947 23.8831688361231 -75.7053846035962 57155.7604346462 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 22:01:35 2020-Nov-12 22:01

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