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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 
[ 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 21.1   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.]

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1958-Jun-03 05:34 9_02:27 Earth 0.334753640775206 0.114772750469649 0.554777525647078 15.3136852953583 15.3131655211803 2436357.731629941 13107.3372846555 10972260.603826 39.9316563358203 0.844866427937249 16287.530725652 T 36 CATAB v2.0e-lin.ifort 2018-Feb-10 07:06:45 2018-Dec-11 16:38
2005-May-05 04:15 1_14:14 Earth 0.324031941300121 0.284778418488393 0.36332888357099 12.1774584309257 12.1767831570945 2453495.676931138 2294.34871399614 1967409.12582151 26.4230926919225 5.43474663468004 153277.077161901 T 36 CATAB v2.0e-lin.ifort 2018-Feb-10 07:06:45 2018-Dec-11 16:38
2015-May-20 05:07 < 00:01 Earth 0.133644780264702 0.133605311269621 0.133684249288492 10.8751152239621 10.8732817991748 2457162.712960146 0.222125737355293 1970.59482569464 123.172823504212 -3.21729076690264 8994.43046152688 T 36 CATAB v2.0e-lin.ifort 2018-Feb-10 07:06:45 2018-Dec-11 16:38
2025-Jun-08 06:43 1_09:52 Earth 0.424950405690296 0.383693247521933 0.466275420783255 17.3140011150258 17.3136389710966 2460834.779792524 2032.4281750128 2076359.64874347 42.1763981468305 7.38253835933289 174822.942575329 T 36 CATAB v2.0e-lin.ifort 2018-Feb-10 07:06:45 2018-Dec-11 16:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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