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192412 (1997 HQ7)
Classification: Main-belt Asteroid          SPK-ID: 2192412
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710383314201287 3.9718e-08  
a 2.262362342624879 1.2782e-08 au
q 1.875411662474586 9.0403e-08 au
i 3.934078786101381 5.6357e-06 deg
node 15.29226469744352 6.8192e-05 deg
peri 266.5518816834105 7.0717e-05 deg
M 351.1010532441895 2.1184e-05 deg
tp 2459427.224001619115
(2021-Jul-31.72400162)
7.3304e-05 TDB
period 1242.915694001585
3.40
1.0534e-05
2.884e-08
d
yr
n .2896415273677774 2.4547e-09 deg/d
Q 2.649313022775172 1.4968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      8314 days (22.76 yr)  
   first obs. used      1997-04-30  
   last obs. used      2020-02-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56372  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:00  

Additional Information
 Earth MOID = .863899 au 
 Jupiter MOID = 2.4952 au 
 T_jup = 3.596 
[ 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 17.43   n/a E2021B55  

192412 (1997 HQ7)          Discovered 1997-Apr-30 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1997 HQ7 = 2001 ST207 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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