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43502 (2001 CY28)
Classification: Main-belt Asteroid          SPK-ID: 2043502
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179425208970121 4.6081e-08  
a 2.317023847637959 8.1744e-09 au
q 1.901291359586765 1.0916e-07 au
i 6.250878671456565 4.7087e-06 deg
node 51.6296691020143 3.137e-05 deg
peri 331.8457786475413 3.3282e-05 deg
M 327.2111851665034 9.6448e-06 deg
tp 2459317.832250528877
(2021-Apr-13.33225053)
3.4639e-05 TDB
period 1288.232295216848
3.53
6.8173e-06
1.866e-08
d
yr
n .2794527053363471 1.4788e-09 deg/d
Q 2.732756335689154 9.6411e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1068  
   data-arc span      8152 days (22.32 yr)  
   first obs. used      1998-03-29  
   last obs. used      2020-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51277  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:20:29  

Additional Information
 Earth MOID = .906661 au 
 Jupiter MOID = 2.72181 au 
 T_jup = 3.551 
[ 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 15.36   n/a MPCxxxxx  
diameter diameter 2.325 km 0.479 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.919 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.298   0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43502 (2001 CY28)          Discovered 2001-Feb-02 by LONEOS at Anderson Mesa
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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