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JPL Small-Body Database Browser
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(2019 WW)
Classification: Apollo [NEO]          SPK-ID: 3893382
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3304407116627917 0.00073329  
a 1.029846674768292 0.00033669 au
q .689543406654298 0.00052975 au
i 5.012529266700398 0.013491 deg
node 240.8003868049347 0.0020708 deg
peri 293.8560672940452 0.0050745 deg
M 116.5595067983121 0.1878 deg
tp 2459272.904549792674
(2021-Feb-27.40454979)
0.13853 TDB
period 381.7308711817735
1.05
0.1872
0.0005125
d
yr
n .9430727959871351 0.00046248 deg/d
Q 1.370149942882286 0.00044795 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      12 days  
   first obs. used      2019-11-19  
   last obs. used      2019-12-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .2344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:05  

Additional Information
 Earth MOID = .0170807 au 
 Jupiter MOID = 3.59988 au 
 T_jup = 5.889 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458811.5 (2019-Nov-24.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3302933869816369 0.00073327  
q .6890645972789973 0.00052583 au
tp 2458891.312784060008
(2020-Feb-11.81278406)
0.050111 TDB
node 240.9210778596383 0.0013429 deg
peri 293.9092034268921 0.0044032 deg
i 5.049265415387065 0.013313 deg
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      12 days  
   first obs. used      2019-11-19  
   last obs. used      2019-12-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .2344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:05  

Additional Information
 Jupiter MOID = 3.59988 au 
 T_jup = 5.889 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.376805917192721E-7 -3.855702077919263E-7 -3.674448698051092E-5 9.844314760971901E-7 3.223643262820014E-6 9.76203298003364E-6
q -3.855702077919263E-7 2.764927645201585E-7 2.634932326724716E-5 -7.059335364044994E-7 -2.311880857573523E-6 -7.000377647098246E-6
tp -3.674448698051092E-5 2.634932326724716E-5 .002511096061977933 -6.727521725156564E-5 -.0002202669238823734 -.0006671187594386539
node 9.844314760971901E-7 -7.059335364044994E-7 -6.727521725156564E-5 1.803334384898087E-6 5.900743859136916E-6 1.787368201604425E-5
peri 3.223643262820014E-6 -2.311880857573523E-6 -.0002202669238823734 5.900743859136916E-6 1.938828626071163E-5 5.853889754280505E-5
i 9.76203298003364E-6 -7.000377647098246E-6 -.0006671187594386539 1.787368201604425E-5 5.853889754280505E-5 .0001772426108737974

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 24.6   .39268 E2020A55 autocmod 2.8

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