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 ]  
74534 (1999 JA)
Classification: Main-belt Asteroid          SPK-ID: 2074534
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0473156401330982 3.9026e-08  
a 3.086035109397888 2.1275e-08 au
q 2.940017382723511 1.1849e-07 au
i 9.401997423009099 5.3361e-06 deg
node 36.9573580570689 2.76e-05 deg
peri 48.55189254027963 8.1463e-05 deg
M 73.30423671783271 7.2529e-05 deg
tp 2458597.294640607475
(2019-Apr-23.79464061)
0.0004001 TDB
period 1980.157435375046
5.42
2.0477e-05
5.606e-08
d
yr
n .1818037260920192 1.88e-09 deg/d
Q 3.232052836072265 2.2282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1261  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47913  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:06:27  

Additional Information
 Earth MOID = 1.96487 au 
 Jupiter MOID = 1.91501 au 
 T_jup = 3.204 
[ 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 13.8   n/a MPO468692  
diameter diameter 7.310 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74534 (1999 JA)          Discovered 1999-May-01 by Zoltowski, F. B. at Woomera
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JA = 2001 QW277 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-14 23:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin