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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 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1930-Aug-04 12:00 00:03 Jupiter 1.97421666761398 1.97421581270343 1.97421752252666 2.47288759500286 2.2928341415701 2426192.999840450 2.65658650553418 217.001128637924 54.8898942607994 87.1756776876365 1801287.43307415 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:55:35 2019-Jul-13 09:55
2036-Aug-03 01:48 < 00:01 Jupiter 1.95308905297619 1.95308850796436 1.95308959798802 2.76584426917012 2.60432860855347 2464908.575332246 0.733574827796764 117.272801477559 17.8265862761175 -80.8428255706675 1817583.13133542 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:55:35 2019-Jul-13 09:55
2096-Apr-17 23:59 00:03 Jupiter 1.94426038709066 1.94425982604291 1.94426094813929 2.5822305153804 2.40761475309818 2486716.499018354 2.59615222091719 228.697565122684 33.5645979799741 88.9755463413752 1570728.58096254 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:55:35 2019-Jul-13 09:55
2156-Jan-04 02:57 00:05 Jupiter 1.98153531493551 1.9815338791911 1.98153675068317 2.40772506768852 2.22311147135565 2508525.623063501 4.51401457965617 227.45424970158 82.0313652059155 79.8920881210433 1776698.41164098 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 09:55:35 2019-Jul-13 09:55

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