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 ]  
66492 (1999 RZ54)
Classification: Main-belt Asteroid          SPK-ID: 2066492
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118504460605284 3.9018e-08  
a 3.006905848615297 2.0214e-08 au
q 2.650574092934268 1.176e-07 au
i 9.515685360500251 4.9111e-06 deg
node 174.169492008864 1.9439e-05 deg
peri 145.4520349917029 3.4559e-05 deg
M 39.53391799790885 2.4543e-05 deg
tp 2458991.355943161180
(2020-May-21.85594316)
0.00013028 TDB
period 1904.487697524889
5.21
1.9204e-05
5.258e-08
d
yr
n .1890272121305186 1.9061e-09 deg/d
Q 3.363237604296327 2.2609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      11392 days (31.19 yr)  
   first obs. used      1989-10-07  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:39  

Additional Information
 Earth MOID = 1.6429 au 
 Jupiter MOID = 2.02172 au 
 T_jup = 3.219 
[ 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 15.23   n/a E2021B10  
diameter diameter 6.259 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66492 (1999 RZ54)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RZ54 = 1989 TP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-20 15:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin