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152706 (1998 SU54)
Classification: Main-belt Asteroid          SPK-ID: 2152706
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787725709056734 4.5678e-08  
a 2.240856375964344 7.98e-09 au
q 1.840252720602828 1.0291e-07 au
i 4.813470960315343 4.945e-06 deg
node 2.624762729103236 4.9129e-05 deg
peri 321.9037327297519 5.0688e-05 deg
M 250.6966645412128 1.3565e-05 deg
tp 2459572.506367890176
(2021-Dec-24.00636789)
4.6789e-05 TDB
period 1225.235184986267
3.35
6.5448e-06
1.792e-08
d
yr
n .2938211409624472 1.5695e-09 deg/d
Q 2.64146003132586 9.4066e-09 au
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      7829 days (21.43 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-02-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:17  

Additional Information
 Earth MOID = .829445 au 
 Jupiter MOID = 2.68774 au 
 T_jup = 3.609 
[ 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 16.83   n/a E2021B55  
rotation period rot_per 120.611 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.]

152706 (1998 SU54)          Discovered 1998-Sep-16 by LONEOS at Anderson Mesa
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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