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135607 (2002 JQ21)
Classification: Main-belt Asteroid          SPK-ID: 2135607
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09288756981231563 3.7018e-08  
a 2.331030382066668 1.3054e-08 au
q 2.114506634717821 9.0562e-08 au
i 8.113456604367741 3.8715e-06 deg
node 85.83224175264361 2.8767e-05 deg
peri 168.52601006 3.6732e-05 deg
M 60.08038082114158 2.5021e-05 deg
tp 2458983.554571048865
(2020-May-14.05457105)
8.974e-05 TDB
period 1299.931081577401
3.56
1.092e-05
2.99e-08
d
yr
n .2769377585488287 2.3263e-09 deg/d
Q 2.547554129415514 1.4267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      6623 days (18.13 yr)  
   first obs. used      2002-04-10  
   last obs. used      2020-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58385  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:48  

Additional Information
 Earth MOID = 1.0985 au 
 Jupiter MOID = 2.48583 au 
 T_jup = 3.552 
[ 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 16.30   n/a E2021B55  

135607 (2002 JQ21)          Discovered 2002-May-09 by Yeung, W. K. Y. at Desert Eagle
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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