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JPL Small-Body Database Browser
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(2020 CR1)
Classification: Apollo [NEO]          SPK-ID: 3989678
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4640563822214224 0.00016218  
a 1.849042796637723 0.00056238 au
q .9909826858574401 1.5354e-06 au
i 8.693539563903514 0.0022202 deg
node 317.2461051409541 8.6678e-05 deg
peri 175.2604326898041 0.00025432 deg
M 46.35836215048086 0.021249 deg
tp 2458882.238208222382
(2020-Feb-02.73820822)
0.00032896 TDB
period 918.37250206867
2.51
0.41898
0.001147
d
yr
n .3919977995737959 0.00017884 deg/d
Q 2.707102907418006 0.00082335 au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      2 days  
   first obs. used      2020-02-05  
   last obs. used      2020-02-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-05 05:05:02  

Additional Information
 Earth MOID = .00585619 au 
 Jupiter MOID = 2.35502 au 
 T_jup = 3.858 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458885.5 (2020-Feb-06.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4685473198763329 0.00015972  
q .9907800391530973 1.6503e-06 au
tp 2458882.057057541124
(2020-Feb-02.55705754)
0.00047417 TDB
node 317.2748566277353 5.9485e-05 deg
peri 174.9940233977161 0.00036024 deg
i 8.710697719687881 0.0022054 deg
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      2 days  
   first obs. used      2020-02-05  
   last obs. used      2020-02-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-05 05:05:02  

Additional Information
 Jupiter MOID = 2.35502 au 
 T_jup = 3.858 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.550921663879225E-8 2.629046459323942E-10 6.808644668205452E-8 9.472391590732412E-9 4.109763125684202E-8 3.521436575759085E-7
q 2.629046459323942E-10 2.72336282568923E-12 7.256589765498197E-10 9.763113427460814E-11 4.525823541588438E-10 3.634250508377539E-9
tp 6.808644668205452E-8 7.256589765498197E-10 2.24835913822303E-7 2.519361494655933E-8 1.62030304203206E-7 9.483448007315912E-7
node 9.472391590732412E-9 9.763113427460814E-11 2.519361494655933E-8 3.538462548059123E-9 1.513241285190764E-8 1.306815681156582E-7
peri 4.109763125684202E-8 4.525823541588438E-10 1.62030304203206E-7 1.513241285190764E-8 1.297752144145807E-7 5.776481912525021E-7
i 3.521436575759085E-7 3.634250508377539E-9 9.483448007315912E-7 1.306815681156582E-7 5.776481912525021E-7 4.863885015151776E-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 27.078   .38822 4 autocmod 2.8

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