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JPL Small-Body Database Browser
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48780 (1997 RA2)
Classification: Main-belt Asteroid          SPK-ID: 2048780
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481579217419615 5.0381e-08  
a 2.876370370759565 2.0254e-08 au
q 2.450213314467673 1.5242e-07 au
i 2.920299969922732 5.5587e-06 deg
node 40.00439192107752 9.4943e-05 deg
peri 328.6906693160683 9.6497e-05 deg
M 163.6112173174401 1.959e-05 deg
tp 2457790.702910091869
(2017-Feb-06.20291009)
9.3725e-05 TDB
period 1781.827414689445
4.88
1.882e-05
5.153e-08
d
yr
n .2020397694143372 2.134e-09 deg/d
Q 3.302527427051457 2.3255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      9224 days (25.25 yr)  
   first obs. used      1994-01-08  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:47:51  

Additional Information
 Earth MOID = 1.44924 au 
 Jupiter MOID = 2.15578 au 
 T_jup = 3.278 
[ 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 14.9   n/a MPO337647  

48780 (1997 RA2)          Discovered 1997-Sep-04 by ODAS at Caussols
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 RA2 = 1994 AK10 = 2000 HF63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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