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(2020 HO1)
Classification: Apollo [NEO]          SPK-ID: 54016589
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4237250647329054 0.00065759  
a 1.759955811458978 0.0020419 au
q 1.01421842132147 1.9399e-05 au
i 2.164379058111334 0.0026161 deg
node 43.12069689929384 0.00092443 deg
peri 151.2021157288306 0.00052436 deg
M 22.80416260467248 0.041738 deg
tp 2458946.478989853464
(2020-Apr-06.97898985)
0.0048604 TDB
period 852.807620691505
2.33
1.4842
0.004064
d
yr
n .4221350645390475 0.00073466 deg/d
Q 2.505693201596487 0.0029072 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      10 days  
   first obs. used      2020-04-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-28 07:10:57  

Additional Information
 Earth MOID = .0197746 au 
 Jupiter MOID = 2.44914 au 
 T_jup = 4.009 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458961.5 (2020-Apr-22.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4241704532104774 0.00065641  
q 1.013958101553591 2.0161e-05 au
tp 2458946.402371350220
(2020-Apr-06.90237135)
0.0051888 TDB
node 43.14114079605282 0.00084011 deg
peri 151.0837945222164 0.0009671 deg
i 2.160872222551688 0.0026268 deg
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      10 days  
   first obs. used      2020-04-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-28 07:10:57  

Additional Information
 Jupiter MOID = 2.44914 au 
 T_jup = 4.009 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.308752800453716E-7 1.323299311993642E-8 3.404399392986141E-6 5.481047972726498E-7 6.126460523824589E-7 1.724216282063291E-6
q 1.323299311993642E-8 4.064793120121622E-10 1.045965483972294E-7 1.681735823290459E-8 1.887899236271252E-8 5.295684678095826E-8
tp 3.404399392986141E-6 1.045965483972294E-7 2.692333155665677E-5 4.320939144216493E-6 4.878953433819693E-6 1.362496855020064E-5
node 5.481047972726498E-7 1.681735823290459E-8 4.320939144216493E-6 7.057775871343305E-7 7.595512824149904E-7 2.191858166741833E-6
peri 6.126460523824589E-7 1.887899236271252E-8 4.878953433819693E-6 7.595512824149904E-7 9.352911980635646E-7 2.455062327114611E-6
i 1.724216282063291E-6 5.295684678095826E-8 1.362496855020064E-5 2.191858166741833E-6 2.455062327114611E-6 6.900001224932056E-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 26.972   .34999 6 autocmod 2.8

[ 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
2020-Apr-21 20:06 < 00:01 Earth 0.0259097062578785 0.0258013672056025 0.0260180402492509 6.07794375555639 6.06100041855852 2458961.337736325 0.201185611557846 5371.95749860516 13.6420834138219 -0.334654748847972 404.687943880959 T 6 CATAB v2.0f-lin.ifort 2020-Apr-28 07:11:06 2020-Apr-28 07:11
2041-Jun-01 07:27 4_05:13 Earth 0.379186321622738 0.302134721756209 0.456246147744536 17.231871873071 17.2314640870105 2466671.810694488 6073.48241215361 3843466.06506373 82.6010911240352 1.36220057055728 13626.4252739721 T 6 CATAB v2.0f-lin.ifort 2020-Apr-28 07:11:06 2020-Apr-28 07:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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