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 ]  
160055 (1999 UQ44)
Classification: Main-belt Asteroid          SPK-ID: 2160055
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2644001296551205 7.2208e-08  
a 2.551987103294921 1.2264e-08 au
q 1.877241382305548 1.9071e-07 au
i 4.55238067548723 5.6865e-06 deg
node 129.2083196819192 4.3649e-05 deg
peri 234.9539779591186 4.5234e-05 deg
M 36.36023126993089 1.4003e-05 deg
tp 2458850.102618174121
(2020-Jan-01.60261817)
5.7087e-05 TDB
period 1489.073517034851
4.08
1.0734e-05
2.939e-08
d
yr
n .2417610654421265 1.7428e-09 deg/d
Q 3.226732824284294 1.5507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      10196 days (27.92 yr)  
   first obs. used      1991-12-03  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53942  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:49:30  

Additional Information
 Earth MOID = .87938 au 
 Jupiter MOID = 2.23809 au 
 T_jup = 3.385 
[ 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 15.8   n/a MPO417852  
diameter diameter 2.809 km 0.623 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.063   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160055 (1999 UQ44)          Discovered 1999-Oct-30 by LONEOS at Anderson Mesa
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-12 13:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin