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JPL Small-Body Database Browser
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173436 (2000 HQ72)
Classification: Main-belt Asteroid          SPK-ID: 2173436
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2111199834686242 5.403e-08  
a 2.626739872221987 1.971e-08 au
q 2.072182593822105 1.4824e-07 au
i 7.376901176677677 7.4884e-06 deg
node 239.8603237977751 3.555e-05 deg
peri 37.03845995926849 3.8992e-05 deg
M 122.0388919674968 1.7097e-05 deg
tp 2458073.367513982710
(2017-Nov-15.86751398)
7.0942e-05 TDB
period 1554.977203634119
4.26
1.7502e-05
4.792e-08
d
yr
n .2315146480338414 2.6058e-09 deg/d
Q 3.181297150621869 2.3872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      9166 days (25.10 yr)  
   first obs. used      1993-12-17  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54524  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:55:33  

Additional Information
 Earth MOID = 1.06096 au 
 Jupiter MOID = 1.95544 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456516.5 (2013-Aug-12.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2125073787974541 5.3611e-08  
q 2.0678846461606 1.4714e-07 au
tp 2456520.245205199878
(2013-Aug-15.74520520)
6.4377e-05 TDB
node 239.9519241133258 3.5598e-05 deg
peri 37.15987957763578 3.9e-05 deg
i 7.373644593250475 7.4851e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      9166 days (25.10 yr)  
   first obs. used      1993-12-17  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54524  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:55:33  

Additional Information
 Jupiter MOID = 1.95544 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.874115203544198E-15 -7.850136198240351E-15 -1.849587982292035E-12 8.55278878814273E-15 -4.715467321053424E-13 -1.912003324459644E-15
q -7.850136198240351E-15 2.165130311725263E-14 5.079680325031448E-12 -2.329670018340444E-14 1.294327102559275E-12 6.026174610400481E-15
tp -1.849587982292035E-12 5.079680325031448E-12 4.144446638770154E-9 -9.127544530370617E-12 1.039858194101968E-9 2.707399071208857E-12
node 8.55278878814273E-15 -2.329670018340444E-14 -9.127544530370617E-12 1.267227559014061E-9 -1.25844259875359E-9 -6.344867735397571E-11
peri -4.715467321053424E-13 1.294327102559275E-12 1.039858194101968E-9 -1.25844259875359E-9 1.521009019143456E-9 6.356266799452108E-11
i -1.912003324459644E-15 6.026174610400481E-15 2.707399071208857E-12 -6.344867735397571E-11 6.356266799452108E-11 5.602692741819074E-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 15.9   n/a MPO454191  

173436 (2000 HQ72)          Discovered 2000-Apr-26 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2000 HQ72 = 2001 TF7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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