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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05226787171121616 8.2191e-08  
a 3.24918822706119 7.9432e-08 au
q 3.079360073643562 2.7083e-07 au
i 16.096375303602 1.0382e-05 deg
node 203.8478256970468 2.242e-05 deg
peri 46.76125633642443 8.6657e-05 deg
M 216.7415979898611 8.2755e-05 deg
tp 2459451.791574411785
(2021-Aug-25.29157441)
0.00050123 TDB
period 2139.246023186499
5.86
7.8446e-05
2.148e-07
d
yr
n .1682835896844461 6.1709e-09 deg/d
Q 3.419016380478819 8.3583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      5750 days (15.74 yr)  
   first obs. used      2003-04-08  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:28:05  

Additional Information
 Earth MOID = 2.0895 au 
 Jupiter MOID = 1.59104 au 
 T_jup = 3.118 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457177.5 (2015-Jun-04.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05165962557565275 8.2715e-08  
q 3.079551554733037 2.7247e-07 au
tp 2457306.507756845394
(2015-Oct-11.00775685)
0.00048258 TDB
node 203.8669980387132 2.2417e-05 deg
peri 45.75539799926018 8.7033e-05 deg
i 16.09891853677837 1.0383e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      5750 days (15.74 yr)  
   first obs. used      2003-04-08  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:28:05  

Additional Information
 Jupiter MOID = 1.59104 au 
 T_jup = 3.118 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.841732119634321E-15 -2.167470453603409E-14 -1.589888135417476E-11 3.111525326394463E-15 -2.681791038749712E-12 5.179754277637021E-15
q -2.167470453603409E-14 7.424173669159483E-14 5.848201553546142E-11 -8.520819823431296E-15 9.842989788029275E-12 8.27743953207876E-15
tp -1.589888135417476E-11 5.848201553546142E-11 2.328793144745971E-7 -8.341375647193223E-11 4.061297822444727E-8 -2.327824626882514E-11
node 3.111525326394463E-15 -8.520819823431296E-15 -8.341375647193223E-11 5.025438830035613E-10 -4.966079070371708E-10 5.876548480154893E-11
peri -2.681791038749712E-12 9.842989788029275E-12 4.061297822444727E-8 -4.966079070371708E-10 7.57470531591274E-9 -6.022463999140467E-11
i 5.179754277637021E-15 8.27743953207876E-15 -2.327824626882514E-11 5.876548480154893E-11 -6.022463999140467E-11 1.078122485178907E-10

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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