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JPL Small-Body Database Browser
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(2019 YB4)
Classification: Aten [NEO]          SPK-ID: 3959223
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922951475500625 0.00022099  
a .9961562394686857 5.7895e-05 au
q .8046002284171394 0.00017389 au
i .5362391852225672 0.00027699 deg
node 324.9071884080477 0.038449 deg
peri 235.6584223770793 0.038334 deg
M 71.41892157694464 0.012094 deg
tp 2458928.455571027994
(2020-Mar-19.95557103)
0.018461 TDB
period 363.1529832325946
0.99
0.031659
8.668e-05
d
yr
n .9913177548356384 8.6421e-05 deg/d
Q 1.187712250520232 6.9028e-05 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      4 days  
   first obs. used      2019-12-29  
   last obs. used      2020-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .40601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-02 06:17:03  

Additional Information
 Earth MOID = .00293673 au 
 Jupiter MOID = 3.76879 au 
 T_jup = 6.082 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458848.5 (2019-Dec-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933225543776002 0.00021877  
q .807838208304817 0.00018185 au
tp 2458927.545418139173
(2020-Mar-19.04541814)
0.014952 TDB
node 336.6602953113995 0.022846 deg
peri 222.5185922591179 0.024815 deg
i .4419203199143644 0.00049538 deg
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      4 days  
   first obs. used      2019-12-29  
   last obs. used      2020-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .40601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-02 06:17:03  

Additional Information
 Jupiter MOID = 3.76879 au 
 T_jup = 6.082 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.785896054969192E-8 -3.976194279979204E-8 -3.260681036205986E-6 6.037779197745286E-7 6.925485670345278E-7 1.062670010050181E-7
q -3.976194279979204E-8 3.306946032034572E-8 2.702001988922884E-6 -3.716882990536513E-7 -7.170016325526222E-7 -8.884216359257308E-8
tp -3.260681036205986E-6 2.702001988922884E-6 .0002235770729264385 -6.740286773065006E-5 -1.854891490845547E-5 -7.128085426145118E-6
node 6.037779197745286E-7 -3.716882990536513E-7 -6.740286773065006E-5 .0005219582228445382 -.0005493489920339442 -8.618399614783514E-7
peri 6.925485670345278E-7 -7.170016325526222E-7 -1.854891490845547E-5 -.0005493489920339442 .0006157930197827317 3.926737923638621E-6
i 1.062670010050181E-7 -8.884216359257308E-8 -7.128085426145118E-6 -8.618399614783514E-7 3.926737923638621E-6 2.45398107620819E-7

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 26.8   .42777 E2020A27 autocmod 2.8

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