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JPL Small-Body Database Browser
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52815 (1998 QP98)
Classification: Main-belt Asteroid          SPK-ID: 2052815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2179787421786746 4.3285e-08  
a 2.38020688310691 1.0194e-08 au
q 1.861372380602242 1.0562e-07 au
i 6.621123855512636 4.3803e-06 deg
node 255.9501340525169 5.2291e-05 deg
peri 133.4626197850272 5.4353e-05 deg
M 219.7672501177544 1.5962e-05 deg
tp 2459122.977312220054
(2020-Sep-30.47731222)
6.1575e-05 TDB
period 1341.283206363431
3.67
8.6171e-06
2.359e-08
d
yr
n .2683996923931181 1.7243e-09 deg/d
Q 2.899041385611578 1.2417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      11436 days (31.31 yr)  
   first obs. used      1987-12-23  
   last obs. used      2019-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54251  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:07:50  

Additional Information
 Earth MOID = .873777 au 
 Jupiter MOID = 2.56462 au 
 T_jup = 3.497 
[ 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 14.9   n/a MPO395497  
diameter diameter 3.310 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52815 (1998 QP98)          Discovered 1998-Aug-28 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QP98 = 1987 YA4 = 1992 BX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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