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 ]  
43947 (1997 AE7)
Classification: Main-belt Asteroid          SPK-ID: 2043947
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09659822878354532 3.4476e-08  
a 2.422046318295571 7.0229e-09 au
q 2.188080933916512 8.272e-08 au
i 4.734985202828409 4.3849e-06 deg
node 169.23165767 3.5309e-05 deg
peri 336.3430954424109 4.1356e-05 deg
M 109.0123767614405 2.0346e-05 deg
tp 2458783.587034975995
(2019-Oct-27.08703498)
7.7776e-05 TDB
period 1376.803917752305
3.77
5.9882e-06
1.639e-08
d
yr
n .2614751420723121 1.1372e-09 deg/d
Q 2.65601170267463 7.7013e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2016  
   data-arc span      8615 days (23.59 yr)  
   first obs. used      1997-01-09  
   last obs. used      2020-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:24:31  

Additional Information
 Earth MOID = 1.20052 au 
 Jupiter MOID = 2.34111 au 
 T_jup = 3.502 
[ 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 14.5   n/a MPO365768  
diameter diameter 2.814 km 0.470 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.425   0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43947 (1997 AE7)          Discovered 1997-Jan-09 by Kobayashi, T. at Oizumi
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AE7 = 1999 TM36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-21 07:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin