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(2020 HP6)
Classification: Apollo [NEO]          SPK-ID: 54016762
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5886952826788195 0.00042741  
a 2.209299535398049 0.0021506 au
q .9086953208847097 5.9726e-05 au
i 2.110556190916483 0.0027123 deg
node 216.1617569949771 0.00096141 deg
peri 43.80938449249109 0.0024556 deg
M 60.52007298852215 0.087355 deg
tp 2458998.859729642869
(2020-May-29.35972964)
0.0033777 TDB
period 1199.4449732791
3.28
1.7514
0.004795
d
yr
n .3001388208879769 0.00043825 deg/d
Q 3.509903749911387 0.0034167 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      5 days  
   first obs. used      2020-04-21  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-28 07:12:15  

Additional Information
 Earth MOID = .000639761 au 
 Jupiter MOID = 1.58327 au 
 T_jup = 3.408 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458962.5 (2020-Apr-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5800275814154482 0.00043765  
q .906447224015055 5.6037e-05 au
tp 2458999.468312636518
(2020-May-29.96831264)
0.0047086 TDB
node 216.5738393672642 7.0817e-05 deg
peri 44.16101044123639 0.0019142 deg
i 2.910892838421386 0.0015951 deg
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      5 days  
   first obs. used      2020-04-21  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-28 07:12:15  

Additional Information
 Jupiter MOID = 1.58327 au 
 T_jup = 3.408 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.915336967891553E-7 -2.45242900211704E-8 -2.060685066611949E-6 -3.087219162729639E-8 8.375868168924416E-7 6.980501826400846E-7
q -2.45242900211704E-8 3.140159008444395E-9 2.638511304803934E-7 3.952991869171371E-9 -1.072508842946189E-7 -8.937896081399925E-8
tp -2.060685066611949E-6 2.638511304803934E-7 2.217128986407173E-5 3.32144264672707E-7 -9.010635674305576E-6 -7.510050255640553E-6
node -3.087219162729639E-8 3.952991869171371E-9 3.32144264672707E-7 5.015079276483073E-9 -1.350553831279399E-7 -1.125430191642931E-7
peri 8.375868168924416E-7 -1.072508842946189E-7 -9.010635674305576E-6 -1.350553831279399E-7 3.664106405857379E-6 3.052759138086057E-6
i 6.980501826400846E-7 -8.937896081399925E-8 -7.510050255640553E-6 -1.125430191642931E-7 3.052759138086057E-6 2.544280006355038E-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 28.0   .34276 E2020-HL1 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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