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52790 (1998 QD48)
Classification: Main-belt Asteroid          SPK-ID: 2052790
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792878582963459 4.155e-08  
a 2.258251717198532 7.6651e-09 au
q 1.853374603327961 9.4981e-08 au
i 3.884290663394352 4.6222e-06 deg
node 225.5848954928394 6.063e-05 deg
peri 179.1176747509933 6.2097e-05 deg
M 103.9265693395913 1.3648e-05 deg
tp 2458642.666463114488
(2019-Jun-08.16646311)
4.6274e-05 TDB
period 1239.529738135112
3.39
6.3109e-06
1.728e-08
d
yr
n .2904327253508452 1.4787e-09 deg/d
Q 2.663128831069102 9.0393e-09 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      11386 days (31.17 yr)  
   first obs. used      1988-11-03  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:22:59  

Additional Information
 Earth MOID = .862554 au 
 Jupiter MOID = 2.72469 au 
 T_jup = 3.597 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456779.5 (2014-May-02.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788408237213631 4.1608e-08  
q 1.854447043935217 9.5099e-08 au
tp 2456161.590787744606
(2012-Aug-22.09078774)
4.3283e-05 TDB
node 225.6384175938399 6.0718e-05 deg
peri 178.7392388341887 6.2192e-05 deg
i 3.880151507889946 4.6219e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      11386 days (31.17 yr)  
   first obs. used      1988-11-03  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:22:59  

Additional Information
 Jupiter MOID = 2.72469 au 
 T_jup = 3.597 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.731263864294657E-15 -3.948468582907963E-15 -8.611305169487925E-13 -5.916070322545693E-15 -2.644396326322612E-13 -1.672097072723499E-15
q -3.948468582907963E-15 9.043764226359362E-15 1.980058623918655E-12 1.416746672824132E-14 6.115021397009195E-13 3.845507051025457E-15
tp -8.611305169487925E-13 1.980058623918655E-12 1.873413223301377E-9 1.126654019338534E-11 5.95162021347861E-10 8.843303823624088E-13
node -5.916070322545693E-15 1.416746672824132E-14 1.126654019338534E-11 3.686733369036352E-9 -3.674361034395004E-9 -9.954073077982669E-11
peri -2.644396326322612E-13 6.115021397009195E-13 5.95162021347861E-10 -3.674361034395004E-9 3.867855855120733E-9 9.965403602127011E-11
i -1.672097072723499E-15 3.845507051025457E-15 8.843303823624088E-13 -9.954073077982669E-11 9.965403602127011E-11 2.136160331546763E-11

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 15.8   n/a MPO359098  
diameter diameter 3.436 km 0.946 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.072   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

52790 (1998 QD48)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QD48 = 1988 VC5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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