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43960 (1997 CE27)
Classification: Main-belt Asteroid          SPK-ID: 2043960
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2079024825244726 4.0725e-08  
a 2.312027870797522 7.0702e-09 au
q 1.831351536792946 9.5028e-08 au
i 6.21462920757132 4.2111e-06 deg
node 291.1633902230921 3.7361e-05 deg
peri 40.71248093896408 3.8403e-05 deg
M 80.18893126164417 9.1951e-06 deg
tp 2458914.477664159397
(2020-Mar-05.97766416)
3.225e-05 TDB
period 1284.068003932463
3.52
5.89e-06
1.613e-08
d
yr
n .2803589832450452 1.286e-09 deg/d
Q 2.792704204802097 8.5401e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      8776 days (24.03 yr)  
   first obs. used      1997-02-01  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:24:39  

Additional Information
 Earth MOID = .823704 au 
 Jupiter MOID = 2.57446 au 
 T_jup = 3.547 
[ 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 15.44   n/a MPCxxxxx  
rotation period rot_per 2.84875 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

43960 (1997 CE27)          Discovered 1997-Feb-01 by Spacewatch at Kitt Peak
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CE27 = 1998 KD26 = 1999 VN172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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