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 ]  
101558 (1999 AE8)
Classification: Main-belt Asteroid          SPK-ID: 2101558
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03535990296590102 4.8645e-08  
a 2.514449888655404 1.1072e-08 au
q 2.425539184579928 1.1754e-07 au
i 11.54443800661095 5.0125e-06 deg
node 338.6373162582298 1.7256e-05 deg
peri 213.524463943441 6.4235e-05 deg
M 77.07927967431429 6.1477e-05 deg
tp 2458688.684247927089
(2019-Jul-24.18424793)
0.00024866 TDB
period 1456.340422751189
3.99
9.6189e-06
2.634e-08
d
yr
n .2471949513836332 1.6327e-09 deg/d
Q 2.60336059273088 1.1463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1838  
   data-arc span      7948 days (21.76 yr)  
   first obs. used      1999-01-13  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:52  

Additional Information
 Earth MOID = 1.43528 au 
 Jupiter MOID = 2.38313 au 
 T_jup = 3.431 
[ 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 14.0   n/a MPO385427  
diameter diameter 9.405 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101558 (1999 AE8)          Discovered 1999-Jan-13 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 AE8 = 2001 QB137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-26 22:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin