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(2016 HP3)
Classification: Apollo [NEO]          SPK-ID: 3752446
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5902330452746394 0.00011135  
a 2.436379303946809 0.00065306 au
q .9983477279341778 3.6941e-06 au
i 2.937428540831661 0.00048144 deg
node 190.2777403570545 0.00050751 deg
peri 77.6673770634941 0.0001952 deg
M 66.76630880446469 0.17257 deg
tp 2458942.885297423738
(2020-Apr-03.38529742)
0.56226 TDB
period 1389.043285275234
3.80
0.55849
0.001529
d
yr
n .2591711891315663 0.0001042 deg/d
Q 3.874410879959441 0.0010385 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      30 days  
   first obs. used      2016-04-28  
   last obs. used      2016-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .58762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:03:59  

Additional Information
 Earth MOID = .0444324 au 
 Jupiter MOID = 1.26497 au 
 T_jup = 3.239 
[ 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 23.7   n/a MPO382820  
rotation period rot_per 2. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Moskovitz, N.A.; Binzel, R.P.; Christensen, E.J.; et al. (2018) Astrophys. J. Supp. Series 2391, A4.]

[ 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
2000-Dec-13 11:03 7_11:23 Mars 0.0708345673429902 0.0706698921917042 0.113071493008444 13.4211053523093 13.4208042060075 2451891.960100100 10763.3621208994 4161431.97906134 45.8852952283972 -86.1031375107476 230675.26507923 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 17:03:59 2021-Apr-15 17:04
2016-May-25 10:46 < 00:01 Earth 0.0469267492382929 0.0469041174960444 0.0469493809522475 9.33308408653958 9.32699841760694 2457533.948489726 0.0488629214659373 1127.08802742623 5.98928272739103 0.191951665539507 4004.68089855116 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 17:03:59 2021-Apr-15 17:04
2035-Aug-14 09:58 8_10:45 Earth 0.33737482587544 0.202774903407379 0.473351184871259 18.4813930288569 18.4809656923443 2464553.915589238 12165.2970493805 6831406.04042106 40.8029263782599 -8.29934391950252 157114.759242427 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 17:03:59 2021-Apr-15 17:04
2037-May-06 19:10 7_12:00 Jupiter 1.42767143562027 1.40158821022746 1.45377071378617 3.98294006572083 3.83108764094387 2465185.298389305 10800.2482738238 1325003.63716784 75.7657393117124 27.7054031890995 583044.968899552 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 17:03:59 2021-Apr-15 17:04
2039-Apr-27 20:01 9_03:35 Earth 0.38714071185169 0.230983190001276 0.54411421458518 19.3561683320299 19.3558127595741 2465906.333872044 13174.9386971511 7857461.6945929 9.25525610762567 -5.93493676904782 557098.373973853 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 17:03:59 2021-Apr-15 17:04
2119-Aug-16 03:40 8_19:28 Earth 0.232392958519773 0.109971574107691 0.357954383535291 16.607910571266 16.6072201988654 2495235.652725473 12688.4616535212 6328472.58906685 37.5721435326438 -10.4001479347379 148993.10305104 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 17:03:59 2021-Apr-15 17:04
2144-Mar-25 00:55 9_08:56 Jupiter 1.51658050407739 1.47554388613596 1.55770878276271 4.20595216643089 4.07099710220076 2504223.538540610 13496.4760025382 2136062.092744 82.9199027966735 29.0008732293787 599119.251608814 T 30 CATAB v2.0g-lin.ifort 2021-Apr-15 17:03:59 2021-Apr-15 17:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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