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362224 (2009 HH88)
Classification: Main-belt Asteroid          SPK-ID: 2362224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844428542014508 6.2176e-08  
a 2.620271536758271 2.9974e-08 au
q 2.136981175735754 1.7485e-07 au
i 14.4280565279564 5.9692e-06 deg
node 36.6934636345959 2.132e-05 deg
peri 170.2268933518289 2.8214e-05 deg
M 277.3321330751785 2.429e-05 deg
tp 2459556.255896193897
(2021-Dec-07.75589619)
0.00010882 TDB
period 1549.237054178162
4.24
2.6583e-05
7.278e-08
d
yr
n .2323724436031983 3.9873e-09 deg/d
Q 3.103561897780788 3.5503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      8145 days (22.30 yr)  
   first obs. used      1998-10-29  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:41  

Additional Information
 Earth MOID = 1.13223 au 
 Jupiter MOID = 1.85876 au 
 T_jup = 3.337 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.69   n/a MPCxxxxx  
diameter diameter 3.392 km 0.870 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

362224 (2009 HH88)          Discovered 2009-Apr-23 by La Sagra at La Sagra
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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