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JPL Small-Body Database Browser
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441438 (2008 HP17)
Classification: Main-belt Asteroid          SPK-ID: 2441438
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275198356500649 8.6138e-08  
a 2.188109385958049 2.3686e-08 au
q 1.909082036676315 1.7742e-07 au
i 6.859257570002322 9.8061e-06 deg
node 106.9955734668576 6.7621e-05 deg
peri 145.9098471950619 8.1411e-05 deg
M 238.3563746143305 4.2307e-05 deg
tp 2459399.974281940934
(2021-Jul-04.47428194)
0.00014013 TDB
period 1182.229985687999
3.24
1.9196e-05
5.256e-08
d
yr
n .3045092785313662 4.9443e-09 deg/d
Q 2.467136735239784 2.6706e-08 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      3781 days (10.35 yr)  
   first obs. used      2008-03-31  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67441  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:34:05  

Additional Information
 Earth MOID = .898475 au 
 Jupiter MOID = 2.57716 au 
 T_jup = 3.655 
[ 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 18.1   n/a MPO450443  

441438 (2008 HP17)          Discovered 2008-Mar-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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