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JPL Small-Body Database Browser
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233996 (1996 RS21)
Classification: Main-belt Asteroid          SPK-ID: 2233996
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649452802046036 4.126e-08  
a 2.41807442705898 1.3158e-08 au
q 2.01922446313215 9.9439e-08 au
i 1.035031183364852 4.4888e-06 deg
node 89.07804697752495 0.00030874 deg
peri 236.0967742783205 0.00030922 deg
M 19.73180240944238 1.8008e-05 deg
tp 2458525.222154623272
(2019-Feb-10.72215462)		 6.8432e-05 TDB
period 1373.418594677078
3.76		 1.121e-05
3.069e-08		 d
yr
n .2621196490241521 2.1395e-09 deg/d
Q 2.816924390985809 1.5328e-08 au
   Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      8487 days (23.24 yr)  
   first obs. used      1996-09-07  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58843  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:01:31  

Additional Information
 Earth MOID = 1.00658 au 
 Jupiter MOID = 2.49889 au 
 T_jup = 3.496 
[ 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 17.0   n/a MPO450070  

233996 (1996 RS21)          Discovered 1996-Sep-07 by Spacewatch at Kitt Peak
Reference: 20100330/Numbers.arcLast Updated: 2010-04-05

[ show close-approach data ]
Alternate Designations
 1996 RS21 = 1998 BL21 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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