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JPL Small-Body Database Browser
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39467 (1978 RA7)
Classification: Main-belt Asteroid          SPK-ID: 2039467
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918042308993282 3.3785e-08  
a 2.312375947315586 9.463e-09 au
q 1.868852457190614 7.9287e-08 au
i .8054647563899699 4.392e-06 deg
node 147.0813908370312 0.00026658 deg
peri 124.3619416457086 0.00026692 deg
M 247.8988541433014 1.7062e-05 deg
tp 2459000.438895502627
(2020-May-30.93889550)
6.2617e-05 TDB
period 1284.357990104723
3.52
7.884e-06
2.159e-08
d
yr
n .2802956829588039 1.7206e-09 deg/d
Q 2.755899437440557 1.1278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      14823 days (40.58 yr)  
   first obs. used      1978-09-02  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58969  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:06:52  

Additional Information
 Earth MOID = .852301 au 
 Jupiter MOID = 2.34636 au 
 T_jup = 3.559 
[ show covariance matrix ]

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 15.7   n/a MPO267838  

39467 (1978 RA7)          Discovered 1978-Sep-02 by Lagerkvist, C.-I. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 RA7 = 1992 OF6 = 1998 BM3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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