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213547 (2002 JR98)
Classification: Main-belt Asteroid          SPK-ID: 2213547
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479290918256374 3.193e-08  
a 2.308322821121958 8.6822e-09 au
q 1.966854722552993 7.0985e-08 au
i 2.950350541255932 3.4868e-06 deg
node 32.42604320005278 8.4861e-05 deg
peri 237.3762712782209 8.6734e-05 deg
M 77.858072830353 1.6163e-05 deg
tp 2458923.458778335282
(2020-Mar-14.95877834)
5.749e-05 TDB
period 1280.982641538192
3.51
7.2271e-06
1.979e-08
d
yr
n .2810342531790403 1.5856e-09 deg/d
Q 2.649790919690923 9.9665e-09 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      6774 days (18.55 yr)  
   first obs. used      2002-04-04  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:07  

Additional Information
 Earth MOID = .950926 au 
 Jupiter MOID = 2.43786 au 
 T_jup = 3.570 
[ 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 17.11   n/a E2021B55  

213547 (2002 JR98)          Discovered 2002-May-13 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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