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JPL Small-Body Database Browser
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46781 (1998 HH86)
Classification: Main-belt Asteroid          SPK-ID: 2046781
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08884534340980478 5.2182e-08  
a 2.23142995100335 9.891e-09 au
q 2.033177790711534 1.1644e-07 au
i 6.034448446654492 7.4309e-06 deg
node 216.6892115038808 4.6991e-05 deg
peri 43.04008679652158 6.2339e-05 deg
M 69.99478262853052 4.262e-05 deg
tp 2458363.779165963661
(2018-Sep-02.27916596)
0.00014383 TDB
period 1217.512178091197
3.33
8.0951e-06
2.216e-08
d
yr
n .2956849274102575 1.966e-09 deg/d
Q 2.429682111295167 1.077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      7863 days (21.53 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63451  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:28:56  

Additional Information
 Earth MOID = 1.02277 au 
 Jupiter MOID = 2.6006 au 
 T_jup = 3.629 
[ 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 16.4   n/a MPO449296  

46781 (1998 HH86)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HH86 = 1999 UR32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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