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 ]  
59174 (1999 AT5)
Classification: Main-belt Asteroid          SPK-ID: 2059174
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06577026947132054 3.4388e-08  
a 2.571099699755167 1.5715e-08 au
q 2.401997779664638 8.8973e-08 au
i 14.21111816028968 5.8775e-06 deg
node 336.39659837 1.7741e-05 deg
peri 292.8845186580967 5.5821e-05 deg
M 199.4079031294834 5.0833e-05 deg
tp 2459272.235764127916
(2021-Feb-26.73576413)
0.00021096 TDB
period 1505.832975585531
4.12
1.3806e-05
3.78e-08
d
yr
n .2390703390327981 2.1919e-09 deg/d
Q 2.740201619845696 1.6749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      10607 days (29.04 yr)  
   first obs. used      1990-11-22  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:07:27  

Additional Information
 Earth MOID = 1.42245 au 
 Jupiter MOID = 2.43234 au 
 T_jup = 3.384 
[ 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 MPO385196  

59174 (1999 AT5)          Discovered 1999-Jan-12 by Kobayashi, T. at Oizumi
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AT5 = 2001 QU136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-27 01:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin