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JPL Small-Body Database Browser
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295557 (2008 SQ54)
Classification: Main-belt Asteroid          SPK-ID: 2295557
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864473447275534 5.9119e-08  
a 3.055308932095764 4.5275e-08 au
q 2.485654694384132 1.7689e-07 au
i .5605241161158235 7.2834e-06 deg
node 191.2608086243818 0.00057466 deg
peri 119.1439248285662 0.00057494 deg
M 38.91378143771727 2.1766e-05 deg
tp 2458389.645897176514
(2018-Sep-28.14589718)
0.00011501 TDB
period 1950.657947183757
5.34
4.3359e-05
1.187e-07
d
yr
n .184553114768146 4.1022e-09 deg/d
Q 3.624963169807396 5.3716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      6786 days (18.58 yr)  
   first obs. used      2001-03-28  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5673  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:01:14  

Additional Information
 Earth MOID = 1.47047 au 
 Jupiter MOID = 1.6502 au 
 T_jup = 3.209 
[ 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 15.8   n/a MPO455185  

295557 (2008 SQ54)          Discovered 2008-Sep-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 SQ54 = 2003 UW28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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