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 ]  
74423 (1999 AU37)
Classification: Main-belt Asteroid          SPK-ID: 2074423
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05392595097516208 3.5083e-08  
a 2.940019019830565 1.971e-08 au
q 2.781475698301138 9.9764e-08 au
i 5.546288841239784 3.6639e-06 deg
node 94.18872147242162 7.916e-05 deg
peri 14.55552467213678 0.00010897 deg
M 89.13502854510584 7.4483e-05 deg
tp 2458544.600050600205
(2019-Mar-02.10005060)
0.00037969 TDB
period 1841.296115150431
5.04
1.8516e-05
5.069e-08
d
yr
n .1955144514985242 1.9661e-09 deg/d
Q 3.098562341359993 2.0772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      9686 days (26.52 yr)  
   first obs. used      1994-01-04  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:45  

Additional Information
 Earth MOID = 1.79868 au 
 Jupiter MOID = 1.97425 au 
 T_jup = 3.264 
[ 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 14.7   n/a MPO337818  

74423 (1999 AU37)          Discovered 1999-Jan-10 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AU37 = 2000 GO174 = 2002 SB43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-02 11:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin