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52766 (1998 MC38)
Classification: Main-belt Asteroid          SPK-ID: 2052766
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2380435107830191 3.8912e-08  
a 2.215617053555669 6.9287e-09 au
q 1.688203791576549 8.4132e-08 au
i 8.795327646182562 4.193e-06 deg
node 146.5747563440609 2.5998e-05 deg
peri 173.6390738913618 2.7619e-05 deg
M 277.3046189607367 1.1835e-05 deg
tp 2459477.206414959879
(2021-Sep-19.70641496)
4.0297e-05 TDB
period 1204.593390025739
3.30
5.6505e-06
1.547e-08
d
yr
n .2988560314051763 1.4019e-09 deg/d
Q 2.743030315534788 8.578e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      9216 days (25.23 yr)  
   first obs. used      1995-11-25  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53665  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:47:55  

Additional Information
 Earth MOID = .673884 au 
 Jupiter MOID = 2.5878 au 
 T_jup = 3.601 
[ 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 15.44   n/a E2021B10  
rotation period rot_per 2.58978 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.]

52766 (1998 MC38)          Discovered 1998-Jun-18 by LONEOS at Anderson Mesa
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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