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123839 (2001 CD22)
Classification: Main-belt Asteroid          SPK-ID: 2123839
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299002445528613 4.5296e-08  
a 3.189142696149566 2.3848e-08 au
q 2.774872280005766 1.3915e-07 au
i 3.984989546016116 4.6587e-06 deg
node 350.3795119970987 6.6824e-05 deg
peri 195.7584039876887 6.9069e-05 deg
M 124.8250979259624 1.7576e-05 deg
tp 2458479.211896261680
(2018-Dec-26.71189626)
0.00010038 TDB
period 2080.220417690437
5.70
2.3333e-05
6.388e-08
d
yr
n .1730585840512467 1.9412e-09 deg/d
Q 3.603413112293366 2.6946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2001-01-19  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:21:56  

Additional Information
 Earth MOID = 1.77621 au 
 Jupiter MOID = 1.3631 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457300.5 (2015-Oct-05.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261062751078335 4.5192e-08  
q 2.786391277061571 1.3724e-07 au
tp 2456394.797368241639
(2013-Apr-12.29736824)
0.00010318 TDB
node 350.7133047514747 6.7114e-05 deg
peri 194.765789022444 6.9531e-05 deg
i 3.976297914151048 4.6466e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2001-01-19  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:21:56  

Additional Information
 Jupiter MOID = 1.3631 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.042347614348961E-15 -6.144024935322107E-15 -1.658684090059476E-13 3.73274950781776E-15 7.270166284391761E-15 -5.730901148105464E-16
q -6.144024935322107E-15 1.88350917257012E-14 3.942509796064585E-13 -2.034770043679413E-14 -5.954047949599966E-16 2.34642229525974E-15
tp -1.658684090059476E-13 3.942509796064585E-13 1.064709476312607E-8 2.614621682338425E-11 1.890305718556798E-9 1.416164857944497E-13
node 3.73274950781776E-15 -2.034770043679413E-14 2.614621682338425E-11 4.504253351919316E-9 -4.48950778208972E-9 -4.52642530228346E-12
peri 7.270166284391761E-15 -5.954047949599966E-16 1.890305718556798E-9 -4.48950778208972E-9 4.834541272740735E-9 4.612969884398088E-12
i -5.730901148105464E-16 2.34642229525974E-15 1.416164857944497E-13 -4.52642530228346E-12 4.612969884398088E-12 2.159098231826092E-11

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 14.97   n/a E2021B55  
diameter diameter 6.607 km 0.350 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.72224 h n/a LCDB (Rev. 2020-October); 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 0.049   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123839 (2001 CD22)          Discovered 2001-Feb-01 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 CD22 = 2002 JA114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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