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5248 Scardia (1983 GQ)
Classification: Main-belt Asteroid          SPK-ID: 2005248
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716716927739701 3.2747e-08  
a 2.220239734445979 6.8352e-09 au
q 1.839087420869608 7.4136e-08 au
i .3520267884303207 3.729e-06 deg
node 72.45540595379705 0.0006555 deg
peri 212.8084469327941 0.00065569 deg
M 26.80462048353555 1.9242e-05 deg
tp 2458910.528410149957
(2020-Mar-02.02841015)
6.4422e-05 TDB
period 1208.365265455284
3.31
5.58e-06
1.528e-08
d
yr
n .2979231613914029 1.3758e-09 deg/d
Q 2.60139204802235 8.0086e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2246  
   data-arc span      13226 days (36.21 yr)  
   first obs. used      1983-04-06  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47622  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:33:32  

Additional Information
 Earth MOID = .822665 au 
 Jupiter MOID = 2.54458 au 
 T_jup = 3.631 
[ 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 14.0   n/a MPO492813  
diameter diameter 4.210 km 0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.04650 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.274   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

5248 Scardia (1983 GQ)          Discovered 1983-Apr-06 by Debehogne-DeSanctis at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1983 GQ = 1989 CO7 = 1990 OE1 = 1990 QJ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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