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441437 (2008 HM15)
Classification: Main-belt Asteroid          SPK-ID: 2441437
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231653063200685 1.0664e-07  
a 3.167743907296615 6.927e-08 au
q 2.777587758610897 3.4852e-07 au
i 17.09405660838603 7.7231e-06 deg
node 76.10710810306377 3.6975e-05 deg
peri 278.5751304915383 4.7867e-05 deg
M 300.0588655842273 3.2049e-05 deg
tp 2459343.383021280601
(2021-May-08.88302128)
0.00018838 TDB
period 2059.318510804419
5.64
6.7548e-05
1.849e-07
d
yr
n .1748151138889999 5.7341e-09 deg/d
Q 3.557900055982333 7.7802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      7112 days (19.47 yr)  
   first obs. used      1999-12-07  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60809  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:07  

Additional Information
 Earth MOID = 1.83986 au 
 Jupiter MOID = 2.00239 au 
 T_jup = 3.123 
[ 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 15.5   n/a MPO437716  

441437 (2008 HM15)          Discovered 2008-Apr-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2008 HM15 = 1999 XO265 = 2010 XH30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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