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(2016 HD3)
Classification: Aten [NEO]          SPK-ID: 3752430
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2398317329952291 3.9981e-07  
a .9196271975485608 1.1607e-06 au
q .6990714130509436 7.7646e-07 au
i .6332048161773619 2.1081e-05 deg
node 46.00510994732617 0.00023077 deg
peri 301.831184308231 0.00032572 deg
M 123.4298567020301 0.002709 deg
tp 2458890.058102112051
(2020-Feb-10.55810211)
0.0022149 TDB
period 322.1188479189709
0.88
0.00060986
1.67e-06
d
yr
n 1.117599924145259 2.1159e-06 deg/d
Q 1.140182982046178 1.4391e-06 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      6 days  
   first obs. used      2016-04-27  
   last obs. used      2016-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .38261  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:26:23  

Additional Information
 Earth MOID = .000733437 au 
 Jupiter MOID = 4.20364 au 
 T_jup = 6.474 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457507.5 (2016-Apr-29.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2437030971710658 3.7851e-07  
q .690484296964153 7.2605e-07 au
tp 2457602.089882826468
(2016-Aug-01.58988283)
0.00022696 TDB
node 46.26791718866824 0.00025592 deg
peri 303.3149937667272 0.00032815 deg
i .5996394558630301 2.1812e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      77  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      6 days  
   first obs. used      2016-04-27  
   last obs. used      2016-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .38261  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:26:23  

Additional Information
 Jupiter MOID = 4.20364 au 
 T_jup = 6.474 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.4327358902652E-13 3.106829826459631E-14 -5.717822096697128E-11 -2.176876933944419E-11 -4.529768277060014E-11 2.377103796054127E-12
q 3.106829826459631E-14 5.271551413252461E-13 -1.345168655731797E-10 -6.38202125396712E-11 -1.513516495934056E-10 4.564587138759843E-12
tp -5.717822096697128E-11 -1.345168655731797E-10 5.151215529707029E-8 2.292716322811557E-8 5.094671417540504E-8 -1.923800096406086E-9
node -2.176876933944419E-11 -6.38202125396712E-11 2.292716322811557E-8 6.549509925113976E-8 -3.220676521814623E-8 -5.532908594190169E-9
peri -4.529768277060014E-11 -1.513516495934056E-10 5.094671417540504E-8 -3.220676521814623E-8 1.076821753726832E-7 2.837735333514415E-9
i 2.377103796054127E-12 4.564587138759843E-12 -1.923800096406086E-9 -5.532908594190169E-9 2.837735333514415E-9 4.757637794433578E-10

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 28.0   n/a MPO378481  

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