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227976 (2007 HP75)
Classification: Main-belt Asteroid          SPK-ID: 2227976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215486967451821 6.0869e-08  
a 3.190323905575715 3.7521e-08 au
q 2.802544192657987 1.8587e-07 au
i 5.575097539785261 4.9193e-06 deg
node 74.13535213211297 9.486e-05 deg
peri 162.1944543863059 0.00010098 deg
M 125.6231134990744 3.7197e-05 deg
tp 2458474.197320735079
(2018-Dec-21.69732074)
0.00020966 TDB
period 2081.376247192744
5.70
3.6718e-05
1.005e-07
d
yr
n .1729624811878919 3.0513e-09 deg/d
Q 3.578103618493442 4.2081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      7205 days (19.73 yr)  
   first obs. used      2001-04-16  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 20:00:18  

Additional Information
 Earth MOID = 1.78997 au 
 Jupiter MOID = 1.42551 au 
 T_jup = 3.178 
[ 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 15.7   n/a MPO437079  

227976 (2007 HP75)          Discovered 2007-Apr-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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