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 ]  
74329 (1998 UU45)
Classification: Main-belt Asteroid          SPK-ID: 2074329
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06119819302616673 4.2202e-08  
a 2.729555714087614 1.5421e-08 au
q 2.562511836621204 1.204e-07 au
i 5.357042233700598 4.4691e-06 deg
node 12.92037275570296 4.5939e-05 deg
peri 300.665985146415 6.2158e-05 deg
M 20.26596846507401 3.8997e-05 deg
tp 2459107.774062361947
(2020-Sep-15.27406236)
0.00017864 TDB
period 1647.162217153737
4.51
1.3958e-05
3.821e-08
d
yr
n .2185577086767281 1.8521e-09 deg/d
Q 2.896599591554025 1.6364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      10872 days (29.77 yr)  
   first obs. used      1991-01-11  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:12:46  

Additional Information
 Earth MOID = 1.55209 au 
 Jupiter MOID = 2.27759 au 
 T_jup = 3.346 
[ 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 15.52   n/a E2021B10  
diameter diameter 4.681 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74329 (1998 UU45)          Discovered 1998-Oct-24 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 17:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin