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213342 (2001 SB251)
Classification: Main-belt Asteroid          SPK-ID: 2213342
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08217219373486546 1.0146e-07  
a 2.936045279347555 3.3485e-08 au
q 2.694783997838671 3.043e-07 au
i 3.194496023203984 5.6393e-06 deg
node 105.8795143305054 0.00016084 deg
peri 243.916688303442 0.00016646 deg
M 327.5350378565583 4.7829e-05 deg
tp 2459366.212378281562
(2021-May-31.71237828)
0.0002452 TDB
period 1837.56432297007
5.03
3.1435e-05
8.606e-08
d
yr
n .195911509327809 3.3515e-09 deg/d
Q 3.17730656085644 3.6236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      9681 days (26.51 yr)  
   first obs. used      1993-01-21  
   last obs. used      2019-07-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:19  

Additional Information
 Earth MOID = 1.68848 au 
 Jupiter MOID = 2.1771 au 
 T_jup = 3.267 
[ 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 15.9   n/a MPO433395  
rotation period rot_per 1.97 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

213342 (2001 SB251)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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