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 ]  
245501 (2005 QC157)
Classification: Main-belt Asteroid          SPK-ID: 2245501
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2635256679167444 5.1789e-08  
a 3.083113941874484 3.3404e-08 au
q 2.270634281078584 1.7634e-07 au
i 13.14813425198774 7.6692e-06 deg
node 196.2086212989738 2.159e-05 deg
peri 115.5476330528697 2.8902e-05 deg
M 290.3699026550354 2.1092e-05 deg
tp 2459382.952312420174
(2021-Jun-17.45231242)
0.00012065 TDB
period 1977.346545835606
5.41
3.2136e-05
8.798e-08
d
yr
n .1820621684945305 2.9589e-09 deg/d
Q 3.895593602670384 4.2207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      8114 days (22.21 yr)  
   first obs. used      1998-03-23  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:43:48  

Additional Information
 Earth MOID = 1.29406 au 
 Jupiter MOID = 1.73804 au 
 T_jup = 3.134 
[ 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 15.5   n/a MPO470617  
diameter diameter 3.095 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245501 (2005 QC157)          Discovered 2005-Aug-30 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ 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 2020-Nov-29 15:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin