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JPL Small-Body Database Browser
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(2021 NE1)
Classification: Amor [NEO]          SPK-ID: 54166392
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4025154216727493 0.00030423  
a 2.004348372326149 0.0012144 au
q 1.197567242060201 0.0001158 au
i 9.045071155142617 0.0049263 deg
node 94.95048003981853 0.0019692 deg
peri 215.6751951543578 0.0058065 deg
M 348.6232459960428 0.011936 deg
tp 2459429.254736140123
(2021-Aug-02.75473614)
0.0047405 TDB
period 1036.473585202122
2.84
0.94197
0.002579
d
yr
n .3473315723041765 0.00031566 deg/d
Q 2.811129502592098 0.0017032 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      55 days  
   first obs. used      2021-07-05  
   last obs. used      2021-08-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .35144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-29 05:55:08  

Additional Information
 Earth MOID = .201368 au 
 Jupiter MOID = 2.49623 au 
 T_jup = 3.718 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459402.5 (2021-Jul-07.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4025207653373183 0.00030423  
q 1.197564792832392 0.00011581 au
tp 2459429.255524574311
(2021-Aug-02.75552457)
0.0047424 TDB
node 94.95042549089732 0.0019693 deg
peri 215.6760307842277 0.0058084 deg
i 9.045022319665369 0.0049263 deg
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      55 days  
   first obs. used      2021-07-05  
   last obs. used      2021-08-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .35144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-29 05:55:08  

Additional Information
 Jupiter MOID = 2.49623 au 
 T_jup = 3.718 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.255578077881671E-8 3.523110696652909E-8 -1.39179437579122E-6 5.943189436186633E-7 -1.720832893363255E-6 1.498306077385425E-6
q 3.523110696652909E-8 1.341131999827506E-8 -5.296693062276785E-7 2.262138347263568E-7 -6.54933293577616E-7 5.703426250924852E-7
tp -1.39179437579122E-6 -5.296693062276785E-7 2.249026146139249E-5 -9.2331758073618E-6 2.752339481231427E-5 -2.265531358212383E-5
node 5.943189436186633E-7 2.262138347263568E-7 -9.2331758073618E-6 3.878070478415935E-6 -1.136793103340259E-5 9.648754015857081E-6
peri -1.720832893363255E-6 -6.54933293577616E-7 2.752339481231427E-5 -1.136793103340259E-5 3.373706064686584E-5 -2.799325903363627E-5
i 1.498306077385425E-6 5.703426250924852E-7 -2.265531358212383E-5 9.648754015857081E-6 -2.799325903363627E-5 2.426854652505198E-5

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 23.49   .34089 E2021N49 autocmod 2.9c

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