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(2019 YL4)
Classification: Aten [NEO]          SPK-ID: 3959231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695424114119212 7.6576e-07  
a .9716757805195125 1.2725e-07 au
q .8069355255796737 8.4828e-07 au
i 8.104265774606914 2.6729e-05 deg
node 107.7952607131252 2.2865e-05 deg
peri 176.3480704190011 7.0159e-05 deg
M 178.8757063616262 7.6065e-05 deg
tp 2459026.668148998597
(2020-Jun-26.16814900)
6.914e-05 TDB
period 349.8488846439029
0.96
6.8724e-05
1.882e-07
d
yr
n 1.029015714503219 2.0214e-07 deg/d
Q 1.136416035459352 1.4882e-07 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      776 days (2.12 yr)  
   first obs. used      2019-01-10  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .59115  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:11:17  

Additional Information
 Earth MOID = .124749 au 
 Jupiter MOID = 3.9503 au 
 T_jup = 6.198 
[ 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 24.4   .59623 E2020A86 autocmod 2.8

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