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227607 (2006 AD71)
Classification: Main-belt Asteroid          SPK-ID: 2227607
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03609312960260665 5.5081e-08  
a 2.744749849978857 2.4511e-08 au
q 2.645683237916835 1.6007e-07 au
i 3.021769544537025 5.8672e-06 deg
node 282.7049592526292 0.00011447 deg
peri 335.8738823249532 0.00014519 deg
M 334.1499745289063 9.1304e-05 deg
tp 2459319.764462840929
(2021-Apr-15.26446284)
0.0004215 TDB
period 1660.93478982239
4.55
2.2249e-05
6.091e-08
d
yr
n .2167454148145672 2.9034e-09 deg/d
Q 2.843816462040879 2.5396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      7501 days (20.54 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-04-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:26  

Additional Information
 Earth MOID = 1.62891 au 
 Jupiter MOID = 2.17107 au 
 T_jup = 3.345 
[ 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 16.57   n/a E2021B55  
rotation period rot_per 4.64 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

227607 (2006 AD71)          Discovered 2006-Jan-06 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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