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59814 (1999 RX18)
Classification: Main-belt Asteroid          SPK-ID: 2059814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2030569841440915 3.5497e-08  
a 2.32595756753293 9.7715e-09 au
q 1.853655638622567 8.2849e-08 au
i 2.12000907801663 4.6079e-06 deg
node 7.058413738130305 0.00010612 deg
peri 283.2826731057416 0.00010671 deg
M 344.3648903574011 1.2994e-05 deg
tp 2459056.772931324032
(2020-Jul-26.27293132)
4.6972e-05 TDB
period 1295.690004082636
3.55
8.1649e-06
2.235e-08
d
yr
n .2778442365578674 1.7509e-09 deg/d
Q 2.798259496443294 1.1756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      21406 days (58.61 yr)  
   first obs. used      1960-10-17  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:55:01  

Additional Information
 Earth MOID = .838845 au 
 Jupiter MOID = 2.38667 au 
 T_jup = 3.546 
[ 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 16.3   n/a MPO432152  

59814 (1999 RX18)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RX18 = 1998 EG7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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