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95681 (2002 HP9)
Classification: Main-belt Asteroid          SPK-ID: 2095681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04526614160929007 3.5348e-08  
a 3.009025478629387 2.5337e-08 au
q 2.872818505207787 1.0409e-07 au
i 11.80854577300086 3.9327e-06 deg
node 124.8965529248182 1.892e-05 deg
peri 82.13548347046087 5.0872e-05 deg
M 159.2426824937015 4.9812e-05 deg
tp 2458157.176488273021
(2018-Feb-07.67648827)
0.00026001 TDB
period 1906.501821417888
5.22
2.408e-05
6.593e-08
d
yr
n .1888275143279243 2.385e-09 deg/d
Q 3.145232452050986 2.6484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      782  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1998-06-25  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54008  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:19:02  

Additional Information
 Earth MOID = 1.90017 au 
 Jupiter MOID = 1.91932 au 
 T_jup = 3.216 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO432490  

95681 (2002 HP9)          Discovered 2002-Apr-17 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 2002 HP9 = 2001 AK14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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