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266677 (2009 HG71)
Classification: Main-belt Asteroid          SPK-ID: 2266677
[ 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737207322600624 5.7696e-08  
a 2.264406997781442 1.9947e-08 au
q 1.87103255599204 1.3688e-07 au
i 4.031053678107333 7.8701e-06 deg
node 194.9750305636299 7.6667e-05 deg
peri 110.7211494770574 7.963e-05 deg
M 23.76425198242634 2.177e-05 deg
tp 2458918.341631334114
(2020-Mar-09.84163133)		 7.4823e-05 TDB
period 1244.601039476908
3.41		 1.6445e-05
4.502e-08		 d
yr
n .2892493165129478 3.8219e-09 deg/d
Q 2.657781439570844 2.3412e-08 au
   Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5665 days (15.51 yr)  
   first obs. used      2003-10-21  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:45:32  

Additional Information
 Earth MOID = .860838 au 
 Jupiter MOID = 2.58569 au 
 T_jup = 3.594 
[ 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 17.8   n/a MPO433731  

266677 (2009 HG71)          Discovered 2009-Apr-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2107-Feb-24 09:12 00:02 Eunom 0.0411104057971075 0.0410936065053232 0.0411272100834307 5.41685613876469 5.4168560757278 2490679.883024112 2.24227383459752 1101.88301019138 65.3222645044803 40.6308930625022 61418.1000423098 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 13:45:34 2019-Jul-14 13:45
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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