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JPL Small-Body Database Browser
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(2015 HP43)
Classification: Amor [NEO]          SPK-ID: 3717359
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .494156588409579 6.8335e-05  
a 2.23930013679232 0.0003254 au
q 1.132735220769924 1.1579e-05 au
i 17.53794039817947 0.0014771 deg
node 62.92222048345406 7.5771e-05 deg
peri 162.5941392763349 0.00053116 deg
M 184.1102671210307 0.11913 deg
tp 2459598.505082886585
(2022-Jan-19.00508289)
0.53536 TDB
period 1223.959047042883
3.35
0.26678
0.0007304
d
yr
n .294127488064057 6.411e-05 deg/d
Q 3.345865052814717 0.00048619 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      50 days  
   first obs. used      2015-04-23  
   last obs. used      2015-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .3195  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:06:43  

Additional Information
 Earth MOID = .132769 au 
 Jupiter MOID = 1.67165 au 
 T_jup = 3.411 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457156.5 (2015-May-14.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4941012236052069 6.8084e-05  
q 1.13296934782158 1.269e-05 au
tp 2457150.330455162383
(2015-May-07.83045516)
0.00062701 TDB
node 62.93349872000714 6.9937e-05 deg
peri 162.5224443493561 0.00051895 deg
i 17.53439648405798 0.0014719 deg
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      50 days  
   first obs. used      2015-04-23  
   last obs. used      2015-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .3195  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:06:43  

Additional Information
 Jupiter MOID = 1.67165 au 
 T_jup = 3.411 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.635389719956245E-9 8.639288811887057E-10 4.24638791604538E-8 -4.734388334946047E-9 3.50796438412145E-8 1.002102990357645E-7
q 8.639288811887057E-10 1.610237269826929E-10 7.915142072242253E-9 -8.823499399451865E-10 6.538875983324752E-9 1.867753880547085E-8
tp 4.24638791604538E-8 7.915142072242253E-9 3.931406826151489E-7 -4.327310910113766E-8 3.253134011418129E-7 9.182822054722516E-7
node -4.734388334946047E-9 -8.823499399451865E-10 -4.327310910113766E-8 4.891118571160986E-9 -3.578703600130553E-8 -1.023745140193422E-7
peri 3.50796438412145E-8 6.538875983324752E-9 3.253134011418129E-7 -3.578703600130553E-8 2.693104573819162E-7 7.586643666129562E-7
i 1.002102990357645E-7 1.867753880547085E-8 9.182822054722516E-7 -1.023745140193422E-7 7.586643666129562E-7 2.166567696134417E-6

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 21.1   n/a E2015L36  
rotation period rot_per 5.77 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, B.D. (2015) Minor Planet Bull. 42, 256-266.]

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