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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843417170904905 4.1786e-08  
a 2.731021650655445 1.3737e-08 au
q 2.227580430162314 1.1523e-07 au
i 9.324704221879477 5e-06 deg
node 187.8660706774406 2.4628e-05 deg
peri 185.5653923989829 2.6991e-05 deg
M 202.7675629290061 1.197e-05 deg
tp 2460116.488876287095
(2023-Jun-20.98887629)
5.7265e-05 TDB
period 1648.489333955446
4.51
1.2438e-05
3.405e-08
d
yr
n .218381758731919 1.6477e-09 deg/d
Q 3.234462871148575 1.6269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      17393 days (47.62 yr)  
   first obs. used      1973-09-29  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:29:09  

Additional Information
 Earth MOID = 1.22741 au 
 Jupiter MOID = 2.23061 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457509.5 (2016-May-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819366571519492 4.1659e-08  
q 2.238049487754228 1.1456e-07 au
tp 2456813.388943181095
(2014-Jun-04.88894318)
5.1157e-05 TDB
node 187.8929060448278 2.463e-05 deg
peri 185.0494943501258 2.7075e-05 deg
i 9.315504174336191 4.998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      17393 days (47.62 yr)  
   first obs. used      1973-09-29  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:29:09  

Additional Information
 Jupiter MOID = 2.23061 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.735440189284056E-15 -4.74898754783229E-15 -2.175261554231479E-13 -5.386688611963235E-15 -5.556264161841755E-14 1.147242677090529E-16
q -4.74898754783229E-15 1.312328943251393E-14 6.36100970517827E-13 1.250033846057106E-14 1.73826023966139E-13 -6.440055509323936E-16
tp -2.175261554231479E-13 6.36100970517827E-13 2.617067944919088E-9 6.546470891723078E-14 5.865420298413439E-10 -2.440205927129584E-12
node -5.386688611963235E-15 1.250033846057106E-14 6.546470891723078E-14 6.066143147209703E-10 -5.986333783128588E-10 -7.264305616962901E-13
peri -5.556264161841755E-14 1.73826023966139E-13 5.865420298413439E-10 -5.986333783128588E-10 7.330313370192362E-10 1.780033185349366E-13
i 1.147242677090529E-16 -6.440055509323936E-16 -2.440205927129584E-12 -7.264305616962901E-13 1.780033185349366E-13 2.497986719897233E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.88   n/a E2021B10  

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

Alternate Designations
 2300 T-2 = 2000 QZ91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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