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(2015 HA177)
Classification: Apollo [NEO]          SPK-ID: 3719076
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .238728687325175 0.00052345  
a 1.12838053666551 0.00049674 au
q .8590037323440766 0.0002125 au
i 2.318155072148005 0.0054046 deg
node 215.6549873416735 0.0025228 deg
peri 80.41192349818611 0.017275 deg
M 201.0153087055541 1.0537 deg
tp 2459393.845742679319
(2021-Jun-28.34574268)
1.4091 TDB
period 437.8060981710777
1.20
0.2891
0.0007915
d
yr
n .8222818309381471 0.00054298 deg/d
Q 1.397757340986944 0.00061532 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      6 days  
   first obs. used      2015-04-23  
   last obs. used      2015-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .54307  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:38:53  

Additional Information
 Earth MOID = .00259232 au 
 Jupiter MOID = 3.76717 au 
 T_jup = 5.515 
[ show covariance matrix ]

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 27.7   n/a MPO337166  

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