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(2018 VP1)
Classification: Apollo [NEO]          SPK-ID: 3835977
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4388073193946637 0.023214  
a 1.620328220986198 0.085914 au
q .9093163377957203 0.0106 au
i 3.187117902188831 0.16949 deg
node 39.76246505848611 0.035951 deg
peri 316.5770045052424 3.7602 deg
M 37.55939374303333 4.1207 deg
tp 2459121.900642886995
(2020-Sep-29.40064289)
2.3719 TDB
period 753.3606307458118
2.06
59.918
0.164
d
yr
n .4778587907409062 0.038006 deg/d
Q 2.331340104176677 0.12361 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      13 days  
   first obs. used      2018-11-03  
   last obs. used      2018-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .5331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:47:38  

Additional Information
 Earth MOID = .000164462 au 
 Jupiter MOID = 3.11878 au 
 T_jup = 4.213 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458430.5 (2018-Nov-08.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4301550880926734 0.0002796  
q .905201356178394 4.751e-05 au
tp 2458390.235849084595
(2018-Sep-28.73584908)
0.0032193 TDB
node 39.83353375125786 5.3027e-05 deg
peri 315.1271313083441 0.0021461 deg
i 3.24456136598534 0.0016699 deg
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      13 days  
   first obs. used      2018-11-03  
   last obs. used      2018-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .5331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:47:38  

Additional Information
 Jupiter MOID = 3.11878 au 
 T_jup = 4.213 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.817336711059905E-8 -1.328348822986861E-8 9.000580000170527E-7 -1.424995586441685E-8 -5.998244979580087E-7 4.668827684638765E-7
q -1.328348822986861E-8 2.257219594938022E-9 -1.529353054355055E-7 2.419099268740397E-9 1.019359588349592E-7 -7.93349502697501E-8
tp 9.000580000170527E-7 -1.529353054355055E-7 1.036369752546978E-5 -1.643235569738396E-7 -6.904626173309308E-6 5.375430652503943E-6
node -1.424995586441685E-8 2.419099268740397E-9 -1.643235569738396E-7 2.811830036913979E-9 1.08673272004597E-7 -8.503735747859756E-8
peri -5.998244979580087E-7 1.019359588349592E-7 -6.904626173309308E-6 1.08673272004597E-7 4.605655343344737E-6 -3.582592909447577E-6
i 4.668827684638765E-7 -7.93349502697501E-8 5.375430652503943E-6 -8.503735747859756E-8 -3.582592909447577E-6 2.788459536549767E-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 30.9   .36679 E2018W27 autocmod 2.6q

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