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(2014 HM2)
Classification: Amor [NEO]          SPK-ID: 3668967
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .521030891789906 4.754e-06  
a 2.27808692326555 2.3951e-05 au
q 1.091133262061577 6.437e-07 au
i 4.927607417551313 3.114e-05 deg
node 208.6621851209841 2.9397e-05 deg
peri 47.5683947905158 3.665e-05 deg
M 266.9814904451487 0.0098573 deg
tp 2459325.004511645625
(2021-Apr-20.50451165)
0.039506 TDB
period 1255.896538780138
3.44
0.019806
5.423e-05
d
yr
n .2866478160292335 4.5206e-06 deg/d
Q 3.465040584469523 3.6431e-05 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      138 days  
   first obs. used      2014-04-04  
   last obs. used      2014-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .35918  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:41:33  

Additional Information
 Earth MOID = .0993602 au 
 Jupiter MOID = 1.62485 au 
 T_jup = 3.409 
[ 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 21.8   n/a MPO307080  
rotation period rot_per 13.65 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, Brian D. (2014) Minor Planet Bull. 41, 213-224.]

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