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JPL Small-Body Database Browser
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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792878484465212 3.3935e-08  
a 2.258251718666197 6.7844e-09 au
q 1.853374626775876 7.5924e-08 au
i 3.88428995984439 3.6073e-06 deg
node 225.5848995692903 5.8693e-05 deg
peri 179.1176715034919 6.0112e-05 deg
M 103.9265674911982 1.2851e-05 deg
tp 2458642.666469129921
(2019-Jun-08.16646913)
4.3781e-05 TDB
period 1239.52973934349
3.39
5.5858e-06
1.529e-08
d
yr
n .2904327250677116 1.3088e-09 deg/d
Q 2.663128810556518 8.0008e-09 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      11416 days (31.26 yr)  
   first obs. used      1988-11-03  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:35:37  

Additional Information
 Earth MOID = .862554 au 
 Jupiter MOID = 2.72469 au 
 T_jup = 3.597 
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Orbital Elements at Epoch 2457107.5 (2015-Mar-26.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786382279784562 3.4027e-08  
q 1.855199542912619 7.6153e-08 au
tp 2457401.255633549869
(2016-Jan-13.75563355)
4.2934e-05 TDB
node 225.6319622586382 5.8787e-05 deg
peri 178.7248018164669 6.0216e-05 deg
i 3.87958348329675 3.6065e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      11416 days (31.26 yr)  
   first obs. used      1988-11-03  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:35:37  

Additional Information
 Jupiter MOID = 2.72469 au 
 T_jup = 3.597 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.157813532581939E-15 -2.584455242614651E-15 -6.120639348890577E-13 -1.139600647479144E-14 -2.093005050774176E-13 2.771746218871002E-17
q -2.584455242614651E-15 5.799335632195581E-15 1.421834213657928E-12 2.690237416879487E-14 4.80395961901442E-13 -1.510732518629502E-16
tp -6.120639348890577E-13 1.421834213657928E-12 1.843355742341834E-9 2.445319670398753E-11 5.73415473461324E-10 -1.722370040147361E-12
node -1.139600647479144E-14 2.690237416879487E-14 2.445319670398753E-11 3.455918275734852E-9 -3.439956845354803E-9 -5.560881843855186E-11
peri -2.093005050774176E-13 4.80395961901442E-13 5.73415473461324E-10 -3.439956845354803E-9 3.625922990704279E-9 5.498357950700822E-11
i 2.771746218871002E-17 -1.510732518629502E-16 -1.722370040147361E-12 -5.560881843855186E-11 5.498357950700822E-11 1.300705542286132E-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

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