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305944 (2009 HA14)
Classification: Main-belt Asteroid          SPK-ID: 2305944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .09607538173793488 7.7537e-08  
a 2.977950921252014 5.3064e-08 au
q 2.691843149695892 2.284e-07 au
i 17.12920674132927 8.4366e-06 deg
node 201.1558449280214 2.4988e-05 deg
peri 189.5240780786654 4.4726e-05 deg
M 187.7261653590605 3.6431e-05 deg
tp 2459498.738262481745
(2021-Oct-11.23826248)
0.00019349 TDB
period 1877.045200551791
5.14
5.0171e-05
1.374e-07
d
yr
n .1917907996537172 5.1263e-09 deg/d
Q 3.264058692808136 5.8162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5461 days (14.95 yr)  
   first obs. used      2004-05-27  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:08:26  

Additional Information
 Earth MOID = 1.69685 au 
 Jupiter MOID = 2.18587 au 
 T_jup = 3.187 
[ 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 16.0   n/a MPO433971  
diameter diameter 3.448 km 0.798 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305944 (2009 HA14)          Discovered 2009-Apr-17 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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