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JPL Small-Body Database Browser
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129577 (1997 RA8)
Classification: Main-belt Asteroid          SPK-ID: 2129577
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2362181500556982 4.4607e-08  
a 2.348149115213376 1.1615e-08 au
q 1.793473675162747 1.0393e-07 au
i 1.512880010098555 3.5603e-06 deg
node 279.1781821441595 0.00022014 deg
peri 50.07046856335806 0.00022036 deg
M 14.2880999617953 9.7848e-06 deg
tp 2458548.337437879152
(2019-Mar-05.83743788)		 3.5611e-05 TDB
period 1314.277084687031
3.60		 9.7514e-06
2.67e-08		 d
yr
n .2739148420028391 2.0323e-09 deg/d
Q 2.902824555264004 1.4359e-08 au
   Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1997-09-09  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52505  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 10:35:59  

Additional Information
 Earth MOID = .781916 au 
 Jupiter MOID = 2.4545 au 
 T_jup = 3.521 
[ 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 16.5   n/a MPO417676  

129577 (1997 RA8)          Discovered 1997-Sep-09 by Sugie, A. at Dynic
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1997 RA8 = 2001 VS124 = 2001 YA25 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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