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52810 (1998 QS91)
Classification: Main-belt Asteroid          SPK-ID: 2052810
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2375965295315217 3.726e-08  
a 2.339850947266807 7.485e-09 au
q 1.78391048257517 8.5771e-08 au
i 8.441070363368405 4.3175e-06 deg
node 5.509478294062002 2.757e-05 deg
peri 19.06149527921857 2.913e-05 deg
M 71.95162904502007 1.1294e-05 deg
tp 2458939.212371771700
(2020-Mar-30.71237177)
4.0377e-05 TDB
period 1307.316420915675
3.58
6.273e-06
1.717e-08
d
yr
n .2753732717193651 1.3213e-09 deg/d
Q 2.895791411958443 9.2634e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      23872 days (65.36 yr)  
   first obs. used      1955-11-11  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47911  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:20:04  

Additional Information
 Earth MOID = .788082 au 
 Jupiter MOID = 2.57751 au 
 T_jup = 3.512 
[ 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 14.89   n/a MPCxxxxx  
diameter diameter 3.236 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 86.3962 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.]
geometric albedo albedo 0.222   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52810 (1998 QS91)          Discovered 1998-Aug-28 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QS91 = 1993 FJ76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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