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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2374676281755528 4.587e-08  
a 2.339435708855594 8.3107e-09 au
q 1.783895459804463 1.0781e-07 au
i 8.441134310468431 5.3675e-06 deg
node 5.514513153498629 3.1227e-05 deg
peri 19.0386363804794 3.2494e-05 deg
M 16.89505289113778 1.1339e-05 deg
tp 2458939.163053246117
(2020-Mar-30.66305325)
4.1e-05 TDB
period 1306.968434705558
3.58
6.9644e-06
1.907e-08
d
yr
n .2754465910885622 1.4678e-09 deg/d
Q 2.894975957906725 1.0284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      23365 days (63.97 yr)  
   first obs. used      1955-11-11  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51118  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:36:11  

Additional Information
 Earth MOID = .789357 au 
 Jupiter MOID = 2.57715 au 
 T_jup = 3.513 
[ 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 14.8   n/a MPO436153  
diameter diameter 3.236 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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

[ show close-approach data ]
Alternate Designations
 1998 QS91 = 1993 FJ76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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