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(2012 HO1)
Classification: Amor [NEO]          SPK-ID: 3602688
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4607529371197177 2.1662e-07  
a 2.079754880713397 6.8794e-09 au
q 1.121501710935631 4.4798e-07 au
i 7.163623061769131 2.9321e-05 deg
node 24.0195199630756 2.2804e-05 deg
peri 197.4881865687599 0.00015185 deg
M 249.1016206517825 5.0982e-05 deg
tp 2459337.973249909868
(2021-May-03.47324991)
0.00015626 TDB
period 1095.510779161852
3.00
5.4356e-06
1.488e-08
d
yr
n .3286138364384029 1.6305e-09 deg/d
Q 3.038008050491163 1.0049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      2197 days (6.02 yr)  
   first obs. used      2012-04-18  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46053  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-25 07:10:30  

Additional Information
 Earth MOID = .119536 au 
 Jupiter MOID = 1.9526 au 
 T_jup = 3.615 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457636.5 (2016-Sep-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .460812547339961 2.1558e-07  
q 1.121099379059118 4.4674e-07 au
tp 2457147.467689463282
(2015-May-04.96768946)
0.00015041 TDB
node 24.04508286155221 2.2881e-05 deg
peri 197.3959703096218 0.00015145 deg
i 7.168527190898034 2.9317e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      2197 days (6.02 yr)  
   first obs. used      2012-04-18  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46053  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-25 07:10:30  

Additional Information
 Jupiter MOID = 1.9526 au 
 T_jup = 3.615 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.647268108523638E-14 -9.630362633950556E-14 2.44848904646968E-11 2.013738318543883E-12 2.529408932883468E-11 -4.082815693607633E-12
q -9.630362633950556E-14 1.995722404722968E-13 -5.073823773401242E-11 -4.170786065739594E-12 -5.241341769467571E-11 8.456733803654751E-12
tp 2.44848904646968E-11 -5.073823773401242E-11 2.262437239725164E-8 9.633294726102844E-10 2.254399730809472E-8 -1.788322371974544E-9
node 2.013738318543883E-12 -4.170786065739594E-12 9.633294726102844E-10 5.235189322276365E-10 5.740414328486414E-10 -2.260324472273224E-10
peri 2.529408932883468E-11 -5.241341769467571E-11 2.254399730809472E-8 5.740414328486414E-10 2.293738948062624E-8 -1.839938728208017E-9
i -4.082815693607633E-12 8.456733803654751E-12 -1.788322371974544E-9 -2.260324472273224E-10 -1.839938728208017E-9 8.594972996906538E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.6   n/a MPO441038  

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