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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0837631051057925 3.4823e-08  
a 2.194267344325915 7.9613e-09 au
q 2.010468698132935 8.0587e-08 au
i 6.257394462112555 3.3941e-06 deg
node 56.26582546222007 3.1625e-05 deg
peri 3.56045401334525 4.0253e-05 deg
M 319.4665657970777 2.5466e-05 deg
tp 2459334.172982128214
(2021-Apr-29.67298213)
8.4367e-05 TDB
period 1187.224189424536
3.25
6.4612e-06
1.769e-08
d
yr
n .3032283230132777 1.6503e-09 deg/d
Q 2.378065990518895 8.6281e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1485  
   data-arc span      8090 days (22.15 yr)  
   first obs. used      1998-12-19  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:55  

Additional Information
 Earth MOID = 1.0221 au 
 Jupiter MOID = 2.84922 au 
 T_jup = 3.658 
[ 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 15.33   n/a E2021B55  
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. 2020-October); 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 ]
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