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65565 (2300 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2065565
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839085071151277 4.2247e-08  
a 2.731991664506042 1.4091e-08 au
q 2.229555156035763 1.1643e-07 au
i 9.321901420622856 5.0618e-06 deg
node 187.869695189907 2.724e-05 deg
peri 185.5731849652175 2.994e-05 deg
M 116.3123842797732 1.2388e-05 deg
tp 2458467.605866264826
(2018-Dec-15.10586627)
5.5784e-05 TDB
period 1649.367686275038
4.52
1.2761e-05
3.494e-08
d
yr
n .2182654619680531 1.6887e-09 deg/d
Q 3.234428172976321 1.6683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      16926 days (46.34 yr)  
   first obs. used      1973-09-29  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:42:09  

Additional Information
 Earth MOID = 1.23019 au 
 Jupiter MOID = 2.22869 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457241.5 (2015-Aug-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819451352784716 4.2123e-08  
q 2.236181587200394 1.1565e-07 au
tp 2456812.014651495952
(2014-Jun-03.51465150)
5.5743e-05 TDB
node 187.935316844016 2.7293e-05 deg
peri 184.6526267909584 3.0063e-05 deg
i 9.305687025686764 5.0582e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      16926 days (46.34 yr)  
   first obs. used      1973-09-29  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:42:09  

Additional Information
 Jupiter MOID = 2.22869 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.774337268735488E-15 -4.847392469249474E-15 -3.171316256813345E-13 -4.894562490950065E-15 -8.187581369662982E-14 1.324387422900873E-16
q -4.847392469249474E-15 1.337585069278549E-14 8.709434572809987E-13 1.405842216130322E-14 2.328262618335046E-13 -5.256349230758155E-16
tp -3.171316256813345E-13 8.709434572809987E-13 3.107233898153389E-9 3.015361682510382E-12 7.191080335318025E-10 -2.368166768413457E-12
node -4.894562490950065E-15 1.405842216130322E-14 3.015361682510382E-12 7.449057617075347E-10 -7.343882615581502E-10 -5.122290701623056E-12
peri -8.187581369662982E-14 2.328262618335046E-13 7.191080335318025E-10 -7.343882615581502E-10 9.038112442093908E-10 4.50216715059559E-12
i 1.324387422900873E-16 -5.256349230758155E-16 -2.368166768413457E-12 -5.122290701623056E-12 4.50216715059559E-12 2.55849982352426E-11

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 15.8   n/a MPO468579  

65565 (2300 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2300 T-2 = 2000 QZ91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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