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136117 (2003 HL28)
Classification: Inner Main-belt Asteroid          SPK-ID: 2136117
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04456973677449531 6.5992e-08  
a 1.904123546588814 9.7676e-09 au
q 1.819257261331232 1.2824e-07 au
i 21.46975080809318 7.0676e-06 deg
node 40.28564478532419 1.5254e-05 deg
peri 191.4998675174646 7.0517e-05 deg
M 176.3759408668487 7.0854e-05 deg
tp 2458530.305055855179
(2019-Feb-15.80505586)
0.00018837 TDB
period 959.7124134970452
2.63
7.3845e-06
2.022e-08
d
yr
n .3751123721409574 2.8863e-09 deg/d
Q 1.988989831846396 1.0203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      6523 days (17.86 yr)  
   first obs. used      2001-08-18  
   last obs. used      2019-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 18:35:02  

Additional Information
 Earth MOID = .812039 au 
 Jupiter MOID = 2.98557 au 
 T_jup = 3.857 
[ 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 16.7   n/a MPO436669  

136117 (2003 HL28)          Discovered 2003-Apr-26 by NEAT at Haleakala
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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