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

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4607090748028785 6.3431e-08  
a 2.080040137899158 3.7191e-09 au
q 1.121746770414785 1.3099e-07 au
i 7.161451879033811 1.3362e-05 deg
node 23.99516325229881 1.6718e-05 deg
peri 197.5426132408424 7.2417e-05 deg
M 19.20779252491604 2.5675e-05 deg
tp 2459338.037019097385
(2021-May-03.53701910)
7.8079e-05 TDB
period 1095.736175702654
3.00
2.9388e-06
8.046e-09
d
yr
n .328546239489762 8.8117e-10 deg/d
Q 3.038333505383531 5.4326e-09 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      3326 days (9.11 yr)  
   first obs. used      2012-04-18  
   last obs. used      2021-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-28 05:48:44  

Additional Information
 Earth MOID = .120378 au 
 Jupiter MOID = 1.95008 au 
 T_jup = 3.615 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458398.5 (2018-Oct-07.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4611161746050228 6.3167e-08  
q 1.120465469068196 1.3055e-07 au
tp 2458242.569658020488
(2018-May-04.06965802)
7.6515e-05 TDB
node 24.02489041365991 1.6733e-05 deg
peri 197.4660294758453 7.224e-05 deg
i 7.166292057315153 1.3364e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      3326 days (9.11 yr)  
   first obs. used      2012-04-18  
   last obs. used      2021-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-28 05:48:44  

Additional Information
 Jupiter MOID = 1.95008 au 
 T_jup = 3.615 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.990123031107429E-15 -8.246274848795862E-15 2.612430755897286E-12 2.877299698160616E-13 2.505450167685279E-12 -4.851431479106561E-13
q -8.246274848795862E-15 1.704460266997557E-14 -5.385374686461268E-12 -5.931256550462772E-13 -5.166322623914674E-12 1.001006919272621E-12
tp 2.612430755897286E-12 -5.385374686461268E-12 5.854608030799637E-9 3.525241933166023E-10 5.390843087781401E-9 -4.754697407677599E-10
node 2.877299698160616E-13 -5.931256550462772E-13 3.525241933166023E-10 2.799799785540403E-10 7.900942925947747E-11 -5.5029365555926E-11
peri 2.505450167685279E-12 -5.166322623914674E-12 5.390843087781401E-9 7.900942925947747E-11 5.218655659265653E-9 -4.353160734719119E-10
i -4.851431479106561E-13 1.001006919272621E-12 -4.754697407677599E-10 -5.5029365555926E-11 -4.353160734719119E-10 1.785864722977921E-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 23.69   n/a MPO623720  

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