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JPL Small-Body Database Browser
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85674 (1998 QD103)
Classification: Main-belt Asteroid          SPK-ID: 2085674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799314741461533 4.6462e-08  
a 2.301744228217419 7.3116e-09 au
q 1.887587996126859 1.0748e-07 au
i 5.467290720840754 4.7464e-06 deg
node 45.65863136189648 4.7538e-05 deg
peri 350.5018796890829 4.9911e-05 deg
M 295.7472924548008 1.3854e-05 deg
tp 2458828.152777553718
(2019-Dec-10.65277755)
4.9009e-05 TDB
period 1275.51045007226
3.49
6.0775e-06
1.664e-08
d
yr
n .2822399455681492 1.3448e-09 deg/d
Q 2.715900460307978 8.6271e-09 au
  Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      8246 days (22.58 yr)  
   first obs. used      1997-05-01  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:18:19  

Additional Information
 Earth MOID = .89436 au 
 Jupiter MOID = 2.70465 au 
 T_jup = 3.563 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457056.5 (2015-Feb-03.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806829239548403 4.6861e-08  
q 1.88569446364989 1.0861e-07 au
tp 2457550.353601932048
(2016-Jun-10.85360193)
4.9138e-05 TDB
node 45.68178732239089 4.7514e-05 deg
peri 350.0526541318699 4.9853e-05 deg
i 5.470401424012039 4.7508e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      8246 days (22.58 yr)  
   first obs. used      1997-05-01  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:18:19  

Additional Information
 Jupiter MOID = 2.70465 au 
 T_jup = 3.563 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.195950383417676E-15 -5.082235845345582E-15 -1.269074235803013E-12 -3.658582450073082E-14 -3.821794129736983E-13 -1.626828350421477E-15
q -5.082235845345582E-15 1.179709356158732E-14 2.882619635275674E-12 8.376363390650576E-14 8.653253738159961E-13 3.958828425695891E-15
tp -1.269074235803013E-12 2.882619635275674E-12 2.414588122386234E-9 4.613828551482063E-11 7.60597693709218E-10 -9.22284609063043E-13
node -3.658582450073082E-14 8.376363390650576E-14 4.613828551482063E-11 2.257545062456833E-9 -2.231845917137399E-9 -9.710939977336978E-11
peri -3.821794129736983E-13 8.653253738159961E-13 7.60597693709218E-10 -2.231845917137399E-9 2.485295902244434E-9 9.640797806803709E-11
i -1.626828350421477E-15 3.958828425695891E-15 -9.22284609063043E-13 -9.710939977336978E-11 9.640797806803709E-11 2.256990229315947E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO417414  
diameter diameter 1.892 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.311   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85674 (1998 QD103)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 QD103 = 2002 VH110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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