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362228 (2009 HQ96)
Classification: Main-belt Asteroid          SPK-ID: 2362228
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334670094474931 7.1322e-08  
a 2.64367059883737 3.1898e-08 au
q 2.290827790046283 1.9835e-07 au
i 14.28529209260038 6.3195e-06 deg
node 76.92417874725301 2.5351e-05 deg
peri 120.8284715406607 3.3698e-05 deg
M 319.4369925032748 2.7578e-05 deg
tp 2459573.403768898786
(2021-Dec-24.90376890)
0.00012221 TDB
period 1570.03537789215
4.30
2.8416e-05
7.78e-08
d
yr
n .2292941962131566 4.1499e-09 deg/d
Q 2.996513407628457 3.6155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2004-01-18  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54118  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:44  

Additional Information
 Earth MOID = 1.32109 au 
 Jupiter MOID = 2.07017 au 
 T_jup = 3.337 
[ 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 16.73   n/a MPCxxxxx  

362228 (2009 HQ96)          Discovered 2009-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

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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
1938-Aug-10 02:47 00:11 Europ 0.0494691571630442 0.0494212841113417 0.0495170334453435 3.66449410558088 3.66449404695044 2429120.615951349 11.3178326641093 2467.4261938509 122.671720910267 -14.8293138165699 15696.6198543305 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 09:38:44 2021-Apr-14 09:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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