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469162 (2015 HO99)
Classification: Outer Main-belt Asteroid          SPK-ID: 2469162
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05230538170841111 6.8724e-08  
a 3.247874367156996 6.6342e-08 au
q 3.077993058641885 2.4914e-07 au
i 16.09797214045462 8.2122e-06 deg
node 203.8330759943257 2.0524e-05 deg
peri 47.24375812235344 8.2352e-05 deg
M 283.5914897608353 8.1754e-05 deg
tp 2459454.270742647414
(2021-Aug-27.77074265)
0.00049276 TDB
period 2137.948598156765
5.85
6.5505e-05
1.793e-07
d
yr
n .1683857134406199 5.1592e-09 deg/d
Q 3.417755675672107 6.9812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      6227 days (17.05 yr)  
   first obs. used      2003-04-08  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:46:03  

Additional Information
 Earth MOID = 2.0885 au 
 Jupiter MOID = 1.59251 au 
 T_jup = 3.118 
[ 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 16.0   n/a MPO423614  
diameter diameter 4.110 km 1.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.115   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469162 (2015 HO99)          Discovered 2009-Mar-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

[ show close-approach data ]
Alternate Designations
 2015 HO99 = 2010 GJ149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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