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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1794073418417059 3.3267e-08  
a 2.257910136190918 6.6996e-09 au
q 1.852824480539461 7.4211e-08 au
i 3.884629410486704 3.4618e-06 deg
node 225.5806459950992 5.8635e-05 deg
peri 179.0819125230206 6.0048e-05 deg
M 162.0621571528085 1.286e-05 deg
tp 2458642.624201754947
(2019-Jun-08.12420176)		 4.3551e-05 TDB
period 1239.248513635738
3.39		 5.5156e-06
1.51e-08		 d
yr
n .2904986336790698 1.2929e-09 deg/d
Q 2.662995791842374 7.9015e-09 au
   Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      11493 days (31.47 yr)  
   first obs. used      1988-11-03  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:27:39  

Additional Information
 Earth MOID = .861051 au 
 Jupiter MOID = 2.72585 au 
 T_jup = 3.598 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457190.5 (2015-Jun-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786031951332186 3.3348e-08  
q 1.855325551623801 7.4421e-08 au
tp 2457401.241547471140
(2016-Jan-13.74154747)		 4.2831e-05 TDB
node 225.6280251299227 5.8732e-05 deg
peri 178.7175314474791 6.0158e-05 deg
i 3.879557823414439 3.4608e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      11493 days (31.47 yr)  
   first obs. used      1988-11-03  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:27:39  

Additional Information
 Jupiter MOID = 2.72585 au 
 T_jup = 3.598 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.112094462013769E-15 -2.475230990000398E-15 -5.916556482507447E-13 -1.120923888936428E-14 -2.06527402818998E-13 9.4110548829223E-17
q -2.475230990000398E-15 5.538502875271887E-15 1.372851683620075E-12 2.635123022280777E-14 4.737414808081556E-13 -2.933940445143492E-16
tp -5.916556482507447E-13 1.372851683620075E-12 1.834504984503354E-9 2.483603343948484E-11 5.717872264269023E-10 -1.939746543686518E-12
node -1.120923888936428E-14 2.635123022280777E-14 2.483603343948484E-11 3.449430209997379E-9 -3.433307300117392E-9 -5.359989274850001E-11
peri -2.06527402818998E-13 4.737414808081556E-13 5.717872264269023E-10 -3.433307300117392E-9 3.618947652807075E-9 5.289693128623452E-11
i 9.4110548829223E-17 -2.933940445143492E-16 -1.939746543686518E-12 -5.359989274850001E-11 5.289693128623452E-11 1.197680352722373E-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 15.79   n/a E2021B10  
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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