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46785 (1998 HQ117)
Classification: Main-belt Asteroid          SPK-ID: 2046785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1376109185038723 3.1012e-08  
a 2.192666904869775 7.6379e-09 au
q 1.890931998117602 6.7376e-08 au
i 5.198201851213677 4.2789e-06 deg
node 133.4022307067577 4.3153e-05 deg
peri 107.2589013121431 4.6764e-05 deg
M 271.2217755443364 1.9643e-05 deg
tp 2459292.956564153934
(2021-Mar-19.45656415)
6.5393e-05 TDB
period 1185.925532313341
3.25
6.1965e-06
1.697e-08
d
yr
n .303560375580886 1.5861e-09 deg/d
Q 2.494401811621947 8.6889e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      8002 days (21.91 yr)  
   first obs. used      1998-03-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:34:49  

Additional Information
 Earth MOID = .886151 au 
 Jupiter MOID = 2.5215 au 
 T_jup = 3.654 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO410406  

46785 (1998 HQ117)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HQ117 = 2001 BC70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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