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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0885690622195545 4.1672e-08  
a 2.232022131151529 8.4794e-09 au
q 2.034334024142147 9.5026e-08 au
i 6.033350593135097 5.6213e-06 deg
node 216.6795023241049 4.1961e-05 deg
peri 43.22348910390033 5.7673e-05 deg
M 247.1759089116638 4.2556e-05 deg
tp 2459582.220526610027
(2022-Jan-02.72052661)
0.00014473 TDB
period 1217.996867991752
3.33
6.9407e-06
1.9e-08
d
yr
n .2955672624951593 1.6843e-09 deg/d
Q 2.429710238160912 9.2304e-09 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      8371 days (22.92 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60819  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:40:18  

Additional Information
 Earth MOID = 1.0226 au 
 Jupiter MOID = 2.59942 au 
 T_jup = 3.629 
[ 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 16.46   n/a MPCxxxxx  

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

Alternate Designations
 1998 HH86 = 1999 UR32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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