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(2015 HJ)
Classification: Amor [NEO]          SPK-ID: 3715996
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1661205181458962 0.00023842  
a 1.21978697886432 0.00037696 au
q 1.017155333907761 2.3553e-05 au
i 13.29050219376502 0.013667 deg
node 204.9859568940586 0.00082858 deg
peri 338.199956140942 0.010448 deg
M 92.13045766569041 0.73971 deg
tp 2459074.571177023712
(2020-Aug-13.07117702)
0.9527 TDB
period 492.0671992748196
1.35
0.2281
0.0006245
d
yr
n .7316073912883186 0.00033914 deg/d
Q 1.422418623820878 0.00043958 au
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      7 days  
   first obs. used      2015-04-16  
   last obs. used      2015-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .61017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:31:51  

Additional Information
 Earth MOID = .0231066 au 
 Jupiter MOID = 3.54001 au 
 T_jup = 5.195 
[ 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 27.0   n/a MPO349338  

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