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101108 (1998 RS45)
Classification: Main-belt Asteroid          SPK-ID: 2101108
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 .1910654193539575 3.5116e-08  
a 2.380498316957186 1.0319e-08 au
q 1.925667407756371 7.93e-08 au
i 3.28031317439613 4.6391e-06 deg
node 205.6616425950747 6.569e-05 deg
peri 60.37885512785684 6.7068e-05 deg
M 87.86513643816794 1.4064e-05 deg
tp 2458873.073118349813
(2020-Jan-24.57311835)
5.1825e-05 TDB
period 1341.529555092841
3.67
8.7229e-06
2.388e-08
d
yr
n .2683504054259066 1.7449e-09 deg/d
Q 2.835329226158001 1.2291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      8662 days (23.72 yr)  
   first obs. used      1997-04-09  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:14  

Additional Information
 Earth MOID = .910719 au 
 Jupiter MOID = 2.25081 au 
 T_jup = 3.511 
[ 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 16.27   n/a E2021B55  

101108 (1998 RS45)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 RS45 = 2001 HJ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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