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 ]  
18429 (1994 AO1)
Classification: Main-belt Asteroid          SPK-ID: 2018429
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079591769485905 4.7543e-08  
a 2.449041860873141 9.1862e-09 au
q 2.184645317260633 1.1639e-07 au
i 11.41195989506252 4.4928e-06 deg
node 286.9483683208374 2.2108e-05 deg
peri 190.05262819393 3.1031e-05 deg
M 11.48016561006417 2.0344e-05 deg
tp 2459155.858539776022
(2020-Nov-02.35853978)
7.9129e-05 TDB
period 1399.886223465566
3.83
7.8763e-06
2.156e-08
d
yr
n .2571637565721464 1.4469e-09 deg/d
Q 2.71343840448565 1.0178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2347  
   data-arc span      12880 days (35.26 yr)  
   first obs. used      1985-12-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:29:02  

Additional Information
 Earth MOID = 1.2018 au 
 Jupiter MOID = 2.39727 au 
 T_jup = 3.462 
[ 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 13.13   n/a E2021B10  
diameter diameter 10.353 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.911 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Casalnuovo, G.B. (2017) Minor Planet Bull. 44, 178-180.]
[Zeigler, K.; Banshaw, B.; Gass, J. (2017) Minor Planet Bull. 44, 259-260.]
geometric albedo albedo 0.077   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18429 (1994 AO1)          Discovered 1994-Jan-08 by Sugie, A. at Dynic
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 AO1 = 1985 XN = 2000 RO104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-19 17:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin