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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
27713 (1989 AA)
Classification: Inner Main-belt Asteroid          SPK-ID: 2027713
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08317194846982977 3.8565e-08  
a 1.931519170729885 7.0111e-09 au
q 1.77087095779345 7.2441e-08 au
i 18.11814003768346 3.9911e-06 deg
node 264.5447160247136 1.2051e-05 deg
peri 249.4766308596506 2.5747e-05 deg
M 64.34875938249843 2.2824e-05 deg
tp 2458425.239260896130
(2018-Nov-02.73926090)
6.2062e-05 TDB
period 980.4985625651943
2.68
5.3386e-06
1.462e-08
d
yr
n .3671601507075776 1.9991e-09 deg/d
Q 2.092167383666319 7.5942e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1266  
   data-arc span      15768 days (43.17 yr)  
   first obs. used      1976-06-24  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46584  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:44:56  

Additional Information
 Earth MOID = .84511 au 
 Jupiter MOID = 3.07948 au 
 T_jup = 3.848 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO358888  
rotation period rot_per 3.999 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2013) Minor Planet Bull. 40, 137-145.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 54-60.]

27713 (1989 AA)          Discovered 1989-Jan-02 by Helin, E. F. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 AA = 1999 YN3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-07 02:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin