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441433 (2008 HN)
Classification: Main-belt Asteroid          SPK-ID: 2441433
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581543766975767 1.0152e-07  
a 2.188760787811867 4.6449e-08 au
q 1.842598689675384 1.9098e-07 au
i 2.3931925822473 8.3606e-06 deg
node 223.2073989923171 0.00028475 deg
peri 27.69488956866067 0.00028981 deg
M 233.1433614022217 6.7889e-05 deg
tp 2459417.279716547893
(2021-Jul-21.77971655)
0.00023211 TDB
period 1182.75795114651
3.24
3.765e-05
1.031e-07
d
yr
n .3043733501440704 9.689e-09 deg/d
Q 2.53492288594835 5.3796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      2748 days (7.52 yr)  
   first obs. used      2008-03-12  
   last obs. used      2015-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64362  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:38:27  

Additional Information
 Earth MOID = .828831 au 
 Jupiter MOID = 2.4957 au 
 T_jup = 3.657 
[ 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 18.8   n/a MPO241935  

441433 (2008 HN)          Discovered 2008-Mar-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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