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101118 (1998 RJ53)
Classification: Main-belt Asteroid          SPK-ID: 2101118
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949713168247325 4.3203e-08  
a 2.427972690212848 1.1189e-08 au
q 1.95458765758756 1.0881e-07 au
i 1.677705428908723 3.7629e-06 deg
node 291.0763832315271 0.00016969 deg
peri 42.54170890600702 0.00016999 deg
M 333.4350231940261 1.1415e-05 deg
tp 2459302.469681643388
(2021-Mar-28.96968164)		 4.409e-05 TDB
period 1381.860246283546
3.78		 9.552e-06
2.615e-08		 d
yr
n .2605183852478603 1.8008e-09 deg/d
Q 2.901357722838135 1.337e-08 au
   Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      7953 days (21.77 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:17  

Additional Information
 Earth MOID = .942891 au 
 Jupiter MOID = 2.46746 au 
 T_jup = 3.482 
[ 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 16.50   n/a E2021B55  

101118 (1998 RJ53)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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