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 ]  
101663 (1999 CW84)
Classification: Main-belt Asteroid          SPK-ID: 2101663
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08381002651525675 3.5397e-08  
a 2.195021791438656 8.0462e-09 au
q 2.011056956896616 8.1812e-08 au
i 6.257297536828351 3.4374e-06 deg
node 56.27804285406104 3.2086e-05 deg
peri 3.314022253772021 4.0636e-05 deg
M 259.0677307359496 2.5329e-05 deg
tp 2459333.530659892899
(2021-Apr-29.03065989)
8.4515e-05 TDB
period 1187.8365406389
3.25
6.5313e-06
1.788e-08
d
yr
n .3030720033299929 1.6664e-09 deg/d
Q 2.378986625980696 8.7205e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1406  
   data-arc span      7976 days (21.84 yr)  
   first obs. used      1998-12-19  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:13  

Additional Information
 Earth MOID = 1.02337 au 
 Jupiter MOID = 2.84974 au 
 T_jup = 3.657 
[ 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 15.3   n/a MPO333627  
diameter diameter 2.403 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.374 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.306   0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101663 (1999 CW84)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 CW84 = 2001 VA35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-26 18:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin