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11909 (1992 HD5)
Classification: Main-belt Asteroid          SPK-ID: 2011909
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672831842241932 3.866e-08  
a 3.138210240704164 1.9518e-08 au
q 2.613240438874199 1.2605e-07 au
i 17.91293565785583 5.5985e-06 deg
node 39.74559738605092 1.1571e-05 deg
peri 293.9337652363648 2.0448e-05 deg
M 274.1188417906814 1.8854e-05 deg
tp 2459484.914207063527
(2021-Sep-27.41420706)
0.00010797 TDB
period 2030.586431051968
5.56
1.8944e-05
5.187e-08
d
yr
n .1772886859159687 1.654e-09 deg/d
Q 3.663180042534128 2.2783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1779  
   data-arc span      15559 days (42.60 yr)  
   first obs. used      1977-11-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:21:35  

Additional Information
 Earth MOID = 1.6651 au 
 Jupiter MOID = 2.01853 au 
 T_jup = 3.115 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7   n/a MPO473927  
diameter diameter 17.317 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11909 (1992 HD5)          Discovered 1992-Apr-25 by Debehogne, H. at La Silla
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 HD5 = 1977 VS = 1994 VN6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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