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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171868281039686 3.4818e-08  
a 2.379326115285492 6.1369e-09 au
q 1.862567823281699 8.2102e-08 au
i 6.619544303465225 3.6732e-06 deg
node 255.9400424681065 2.8604e-05 deg
peri 133.6270275648627 2.9998e-05 deg
M 20.61763918059112 6.9643e-06 deg
tp 2459123.725708345973
(2020-Oct-01.22570835)
2.5947e-05 TDB
period 1340.538785908527
3.67
5.1864e-06
1.42e-08
d
yr
n .2685487385999176 1.039e-09 deg/d
Q 2.896084407289286 7.4698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1602  
   data-arc span      12139 days (33.23 yr)  
   first obs. used      1987-12-23  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46387  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:20:06  

Additional Information
 Earth MOID = .874492 au 
 Jupiter MOID = 2.56999 au 
 T_jup = 3.498 
[ 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 14.87   n/a E2021B10  
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

Alternate Designations
 1998 QP98 = 1987 YA4 = 1992 BX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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