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(2020 HG5)
Classification: Amor [NEO]          SPK-ID: 54016726
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2659883941912289 0.00057349  
a 1.414389848810035 0.0011935 au
q 1.038178564164679 6.4926e-05 au
i 2.308138268290461 0.0042633 deg
node 88.97747773432297 0.0039374 deg
peri 122.2299640477357 0.0043354 deg
M 140.7256431579525 0.18237 deg
tp 2458960.327729159896
(2020-Apr-20.82772916)
0.0072436 TDB
period 614.4012957566742
1.68
0.7777
0.002129
d
yr
n .5859362642727456 0.00074167 deg/d
Q 1.790601133455391 0.001511 au
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      21 days  
   first obs. used      2020-04-22  
   last obs. used      2020-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .37993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:26  

Additional Information
 Earth MOID = .0446136 au 
 Jupiter MOID = 3.17151 au 
 T_jup = 4.683 
[ 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 25.7   .57878 MPO546171 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
2015-Mar-14 11:53 6_19:14 Earth 0.328494967389011 0.20893080457972 0.448836964024535 12.7632802846859 12.7626447604131 2457095.994896473 9794.01038610616 6034484.15671339 69.7483278146684 -7.10137997604801 67865.7931512881 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:26 2021-Apr-15 22:25
2020-Apr-24 13:44 00:02 Earth 0.047804895860361 0.0475244936860621 0.0480852654851636 3.36064969904354 3.34402352354896 2458964.072243255 2.17577631888851 13841.965480165 38.2509668857192 -0.594033746331285 493.476552454935 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:26 2021-Apr-15 22:25
2025-Jun-06 07:13 7_18:27 Earth 0.266301252680111 0.148801441917703 0.384114149839323 11.1350023729539 11.1341037730708 2460832.800758461 11186.9515826595 5884694.08105027 98.3073375405323 -4.07474647956227 20974.6588632797 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:26 2021-Apr-15 22:25
2111-Mar-13 21:12 3_21:53 Earth 0.383727678218282 0.356798450317665 0.410707784838092 14.3878032403201 14.3873206239767 2492158.383223416 5632.90690890798 1362060.97834322 77.1005699026198 -9.30592672037371 96567.760923241 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:26 2021-Apr-15 22:25
2111-Jul-22 11:06 2_14:38 Earth 0.399640700878808 0.386064225966375 0.413486931805408 4.15965595834967 4.15805282765514 2492288.962473140 3758.46756234631 857732.996670874 180.974366905717 -37.2995422382599 58389.3952039069 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:26 2021-Apr-15 22:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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