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(2016 NL15)
Classification: Apollo [NEO]          SPK-ID: 3754437
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 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .558360851136136 1.2661e-08  
a 2.038855059384329 5.3143e-09 au
q .9004382130832781 2.74e-08 au
i 5.541529525196684 2.7326e-06 deg
node 300.6112633581218 1.8582e-05 deg
peri 96.48962957899759 1.9904e-05 deg
M 77.75920492236922 2.2929e-06 deg
tp 2458770.817838135439
(2019-Oct-14.31783814)
6.0992e-06 TDB
period 1063.35421451121
2.91
4.1575e-06
1.138e-08
d
yr
n .3385513454380586 1.3237e-09 deg/d
Q 3.177271905685381 8.2816e-09 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      1320 days (3.61 yr)  
   first obs. used      2016-07-05  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-16 05:08:03  

Additional Information
 Earth MOID = .063319 au 
 Jupiter MOID = 2.3085 au 
 T_jup = 3.586 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458389.5 (2018-Sep-28.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5587070223431053 1.2719e-08  
q .9007166030495457 2.7492e-08 au
tp 2458770.646577646541
(2019-Oct-14.14657765)
6.1133e-06 TDB
node 300.7182885545978 1.862e-05 deg
peri 96.32463485374886 1.9948e-05 deg
i 5.537826396094772 2.729e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      500  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      1320 days (3.61 yr)  
   first obs. used      2016-07-05  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-16 05:08:03  

Additional Information
 Jupiter MOID = 2.3085 au 
 T_jup = 3.586 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.617615342726193E-16 -3.489102461961601E-16 -3.327635600010285E-14 4.663101364748681E-14 -6.25569062026097E-14 -6.285452261524732E-15
q -3.489102461961601E-16 7.557966463634748E-16 7.851059879713266E-14 -9.769251079944999E-14 1.343610857085562E-13 1.464943385197102E-14
tp -3.327635600010285E-14 7.851059879713266E-14 3.737251684808608E-11 -1.486380439674149E-11 4.097379652984877E-11 2.128738207279321E-13
node 4.663101364748681E-14 -9.769251079944999E-14 -1.486380439674149E-11 3.467220976561843E-10 -3.600218586589344E-10 -2.450388968159328E-11
peri -6.25569062026097E-14 1.343610857085562E-13 4.097379652984877E-11 -3.600218586589344E-10 3.979089160212763E-10 2.464995549974885E-11
i -6.285452261524732E-15 1.464943385197102E-14 2.128738207279321E-13 -2.450388968159328E-11 2.464995549974885E-11 7.447500851827089E-12

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 20.3   n/a E2020A92  
rotation period rot_per 23.22 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D.; Aznar Macias, A.; Sota Ballano, A. (2017) Minor Planet Bull. 44, 157-158.]

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