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JPL Small-Body Database Browser
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20690 Crivello (1999 VY66)
Classification: Main-belt Asteroid          SPK-ID: 2020690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101756676158167 6.1061e-08  
a 2.952223755608463 1.4901e-08 au
q 2.626960532383027 1.8079e-07 au
i 2.841131043506593 4.3488e-06 deg
node 61.1517551426865 8.8072e-05 deg
peri 308.9609227544677 8.9871e-05 deg
M 333.0961457359623 1.6343e-05 deg
tp 2458738.963190242339
(2019-Sep-12.46319024)
8.3942e-05 TDB
period 1852.773509625792
5.07
1.4028e-05
3.841e-08
d
yr
n .1943032961825484 1.4711e-09 deg/d
Q 3.2774869788339 1.6543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1538  
   data-arc span      10080 days (27.60 yr)  
   first obs. used      1992-04-24  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50118  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:45:59  

Additional Information
 Earth MOID = 1.62693 au 
 Jupiter MOID = 2.18246 au 
 T_jup = 3.258 
[ 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 14.1   n/a MPO502322  
diameter diameter 3.447 km 0.800 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.68 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.373   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20690 Crivello           Discovered 1999 Nov. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Joseph Crivello (b. 1987) was awarded second place in the 2004 Intel International Science and Engineering Fair for his computer science project. He attends the University School of Milwaukee, Milwaukee, Wisconsin, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

[ show close-approach data ]
Alternate Designations
 1999 VY66 = 1998 MG34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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