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JPL Small-Body Database Browser
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56131 (1999 CY48)
Classification: Main-belt Asteroid          SPK-ID: 2056131
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09248190889328241 3.5167e-08  
a 2.367881260088396 8.0979e-09 au
q 2.14889508112279 8.6399e-08 au
i 5.896597138530718 3.4795e-06 deg
node 112.5470962088817 3.8271e-05 deg
peri 310.3923800546733 4.3784e-05 deg
M 272.2083111920088 2.1228e-05 deg
tp 2458925.055677111163
(2020-Mar-16.55567711)
7.8778e-05 TDB
period 1330.878188430331
3.64
6.8272e-06
1.869e-08
d
yr
n .2704980839941427 1.3876e-09 deg/d
Q 2.586867439054002 8.8468e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1564  
   data-arc span      10628 days (29.10 yr)  
   first obs. used      1990-10-24  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50545  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:41:07  

Additional Information
 Earth MOID = 1.16754 au 
 Jupiter MOID = 2.64483 au 
 T_jup = 3.534 
[ 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 14.2   n/a MPO452932  
diameter diameter 3.813 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.388211 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.305   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56131 (1999 CY48)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CY48 = 1990 UP8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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