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JPL Small-Body Database Browser
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20541 (1999 RN93)
Classification: Main-belt Asteroid          SPK-ID: 2020541
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02281477170816735 4.641e-08  
a 2.688195792414334 1.4478e-08 au
q 2.626865219103545 1.2514e-07 au
i 3.323941766623957 4.8068e-06 deg
node 59.30074960124828 8.4174e-05 deg
peri 351.8810850342616 0.0001345 deg
M 112.0910721175526 0.00010417 deg
tp 2458099.245488267917
(2017-Dec-11.74548827)		 0.00046587 TDB
period 1609.866163420276
4.41		 1.3006e-05
3.561e-08		 d
yr
n .2236210737140746 1.8066e-09 deg/d
Q 2.749526365725123 1.4808e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1554  
   data-arc span      10465 days (28.65 yr)  
   first obs. used      1990-09-14  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52077  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:53:17  

Additional Information
 Earth MOID = 1.63601 au 
 Jupiter MOID = 2.31463 au 
 T_jup = 3.370 
[ 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 14.1   n/a MPO474035  

20541 (1999 RN93)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RN93 = 1986 UT2 = 1990 RB8 = 1992 AX4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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