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216584 (2002 HQ3)
Classification: Main-belt Asteroid          SPK-ID: 2216584
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124280693597428 4.5465e-08  
a 3.145019859500641 2.5554e-08 au
q 2.754154609984216 1.4451e-07 au
i 12.25303316452983 5.118e-06 deg
node 69.72168775113283 2.1173e-05 deg
peri 170.4580648052785 2.9568e-05 deg
M 98.65914669368496 1.8772e-05 deg
tp 2458642.199046857292
(2019-Jun-07.69904686)
0.00010685 TDB
period 2037.199285286743
5.58
2.4829e-05
6.798e-08
d
yr
n .1767131976729163 2.1538e-09 deg/d
Q 3.535885109017067 2.873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7585 days (20.77 yr)  
   first obs. used      1999-12-13  
   last obs. used      2020-09-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:25  

Additional Information
 Earth MOID = 1.74074 au 
 Jupiter MOID = 1.48828 au 
 T_jup = 3.162 
[ 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 14.76   n/a MPCxxxxx  

216584 (2002 HQ3)          Discovered 2002-Apr-16 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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