Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
227607 (2006 AD71)
Classification: Main-belt Asteroid          SPK-ID: 2227607
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457232.5 (2015-Jul-29.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03636401153856597 5.5327e-08  
q 2.647342174677123 1.6086e-07 au
tp 2457645.252418862172
(2016-Sep-13.75241886)
0.00041325 TDB
node 282.7866822961712 0.00011442 deg
peri 332.9742135537222 0.00014441 deg
i 3.021773753690745 5.8674e-06 deg
  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
 Jupiter MOID = 2.17107 au 
 T_jup = 3.345 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.061111940006676E-15 -8.811210925253663E-15 -1.899508917965769E-12 -1.48683271199013E-15 -3.48275509845164E-13 3.142832106160116E-16
q -8.811210925253663E-15 2.587447315134501E-14 6.33816807206914E-12 6.171836255487067E-15 1.155015392046165E-12 -8.21627683434203E-16
tp -1.899508917965769E-12 6.33816807206914E-12 1.707746396894535E-7 -7.834789053604365E-11 3.64426747915836E-8 -1.146232558825209E-12
node -1.48683271199013E-15 6.171836255487067E-15 -7.834789053604365E-11 1.309210472050601E-8 -1.309041220683953E-8 2.325276117060645E-11
peri -3.48275509845164E-13 1.155015392046165E-12 3.64426747915836E-8 -1.309041220683953E-8 2.085326883715495E-8 -2.343689701268961E-11
i 3.142832106160116E-16 -8.21627683434203E-16 -1.146232558825209E-12 2.325276117060645E-11 -2.343689701268961E-11 3.442610348411209E-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 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

[ 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
1901-May-09 19:03 00:07 Europ 0.049577815038513 0.0495748599172999 0.049580786001543 3.69802744103613 3.69802738306468 2415514.293871198 7.30544220387349 1524.31320548858 57.7128018038458 84.8789850624222 127898.002106163 T 19 CATAB v2.0f-lin.ifort 2021-Apr-14 00:40:27 2021-Apr-14 00:40
1928-Aug-08 15:07 00:05 Europ 0.0387818430299411 0.0387611186345096 0.0388025699130693 3.49813093233649 3.49813085399222 2425467.129843291 4.78813748112943 1142.93356295543 53.0084469031818 -25.413453792489 47149.3426584153 T 19 CATAB v2.0f-lin.ifort 2021-Apr-14 00:40:27 2021-Apr-14 00:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-23 19:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin