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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457102.5 (2015-Mar-21.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04394959805758147 3.5651e-08  
q 2.878633785885809 1.0472e-07 au
tp 2456264.175170174749
(2012-Dec-02.67517017)
0.00025851 TDB
node 125.0351009051879 1.8939e-05 deg
peri 85.04474055356455 5.1752e-05 deg
i 11.799943665872 3.93e-06 deg
  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
 Jupiter MOID = 1.91932 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.270962218342321E-15 -3.636517534869364E-15 7.36446638275613E-13 -3.698918208692703E-16 1.372619919867794E-13 1.517619160900601E-15
q -3.636517534869364E-15 1.096707435753257E-14 -7.998693168600451E-13 2.408698119990342E-16 -1.059142693533767E-13 -3.146024409093751E-15
tp 7.36446638275613E-13 -7.998693168600451E-13 6.682575169873473E-8 2.051330772789577E-11 1.246123512554262E-8 5.394345688154067E-12
node -3.698918208692703E-16 2.408698119990342E-16 2.051330772789577E-11 3.586905986565563E-10 -3.471832496988966E-10 3.596132553537652E-13
peri 1.372619919867794E-13 -1.059142693533767E-13 1.246123512554262E-8 -3.471832496988966E-10 2.67829543123735E-9 7.425484746376709E-13
i 1.517619160900601E-15 -3.146024409093751E-15 5.394345688154067E-12 3.596132553537652E-13 7.425484746376709E-13 1.544523452166092E-11

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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