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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
35664 (1998 QC64)
Classification: Main-belt Asteroid          SPK-ID: 2035664
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04470820179501962 3.824e-08  
a 3.112285695499838 2.1054e-08 au
q 2.973140998581678 1.2376e-07 au
i 21.91867806068654 4.9593e-06 deg
node 176.7129612328509 1.0175e-05 deg
peri 72.05877089199763 5.2966e-05 deg
M 50.5023016257565 5.1242e-05 deg
tp 2458719.163368996885
(2019-Aug-23.66336900)
0.00028586 TDB
period 2005.476659492828
5.49
2.035e-05
5.572e-08
d
yr
n .1795084466807216 1.8215e-09 deg/d
Q 3.251430392417997 2.1995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1427  
   data-arc span      9722 days (26.62 yr)  
   first obs. used      1993-09-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:07:54  

Additional Information
 Earth MOID = 2.02881 au 
 Jupiter MOID = 1.7915 au 
 T_jup = 3.105 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456991.5 (2014-Nov-30.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04261333115793508 3.813e-08  
q 2.978668592340322 1.2265e-07 au
tp 2456722.165323779184
(2014-Mar-05.66532378)
0.00030583 TDB
node 176.8472000689402 1.0166e-05 deg
peri 73.20208119120095 5.579e-05 deg
i 21.92024164136125 4.9626e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1427  
   data-arc span      9722 days (26.62 yr)  
   first obs. used      1993-09-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:07:54  

Additional Information
 Jupiter MOID = 1.7915 au 
 T_jup = 3.105 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.453887993529291E-15 -4.61613703778327E-15 -4.136739856117705E-12 -2.125608264804444E-15 -7.540073748671926E-13 -5.334210764320626E-15
q -4.61613703778327E-15 1.504195145611551E-14 1.14106786006734E-11 5.3060235083773E-15 2.092694290106402E-12 1.785966484378828E-14
tp -4.136739856117705E-12 1.14106786006734E-11 9.353028442668631E-8 4.898550348782072E-11 1.679400148833772E-8 4.030484739918999E-11
node -2.125608264804444E-15 5.3060235083773E-15 4.898550348782072E-11 1.03341506674293E-10 -8.681101938124392E-11 1.57491163474213E-11
peri -7.540073748671926E-13 2.092694290106402E-12 1.679400148833772E-8 -8.681101938124392E-11 3.11257796724688E-9 -7.312616064764217E-12
i -5.334210764320626E-15 1.785966484378828E-14 4.030484739918999E-11 1.57491163474213E-11 -7.312616064764217E-12 2.462694098096898E-11

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 13.4   n/a MPO493101  
diameter diameter 11.666 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35664 (1998 QC64)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QC64 = 1993 RE8 = 1999 US57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-03 20:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin