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JPL Small-Body Database Browser
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(2021 LY)
Classification: Amor [NEO]          SPK-ID: 54153137
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459368.5 (2021-Jun-03.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4469152777057718 0.0022265  
a 2.163039641584814 0.0099567 au
q 1.196344179477344 0.00069117 au
i 8.94731191708672 0.032279 deg
node 98.39874958554316 0.0074876 deg
peri 169.0783792070721 0.035774 deg
M 354.8337421375881 0.025814 deg
tp 2459385.175110612522
(2021-Jun-19.67511061)
0.034349 TDB
period 1161.970614007513
3.18
8.023
0.02197
d
yr
n .309818506303183 0.0021392 deg/d
Q 3.129735103692285 0.014406 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      10 days  
   first obs. used      2021-06-02  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .34904  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-13 08:26:09  

Additional Information
 Earth MOID = .181905 au 
 Jupiter MOID = 1.99022 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 4.957211110525452E-6 1.538207221870103E-6 7.254671595932495E-5 -1.579553989463538E-5 7.474726536408763E-5 7.185505756984999E-5
q 1.538207221870103E-6 4.777200297380989E-7 2.229039058346805E-5 -4.853308854179328E-6 2.294290364146074E-5 2.228393897720619E-5
tp 7.254671595932495E-5 2.229039058346805E-5 .001179823704750578 -.0002567893425969882 .001228114586704764 .001058359021595733
node -1.579553989463538E-5 -4.853308854179328E-6 -.0002567893425969882 5.606468580701473E-5 -.0002674657417569936 -.00023048143964268
peri 7.474726536408763E-5 2.294290364146074E-5 .001228114586704764 -.0002674657417569936 .001279750582301497 .001091227061398376
i 7.185505756984999E-5 2.228393897720619E-5 .001058359021595733 -.00023048143964268 .001091227061398376 .001041958138729538

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 23.99   .22383 E2021N14 autocmod 2.9c

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