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101005 (1998 QD47)
Classification: Main-belt Asteroid          SPK-ID: 2101005
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173437706025083 5.8041e-08  
a 2.293909750293294 7.1097e-09 au
q 1.896059305373854 1.3185e-07 au
i 4.533248231921882 5.6162e-06 deg
node 24.33455562018552 3.9543e-05 deg
peri 358.3458667173809 4.1963e-05 deg
M 63.33935528086902 1.1019e-05 deg
tp 2458777.228106442555
(2019-Oct-20.72810644)
3.8962e-05 TDB
period 1269.003786417722
3.47
5.8997e-06
1.615e-08
d
yr
n .2836870968023241 1.3189e-09 deg/d
Q 2.691760195212733 8.3428e-09 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7834 days (21.45 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:00  

Additional Information
 Earth MOID = .899295 au 
 Jupiter MOID = 2.76495 au 
 T_jup = 3.572 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457288.5 (2015-Sep-23.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742986143908707 5.8479e-08  
q 1.893851853043814 1.3305e-07 au
tp 2457506.597006414013
(2016-Apr-28.09700641)
3.9419e-05 TDB
node 24.37564997595208 3.9477e-05 deg
peri 357.9082647222911 4.1847e-05 deg
i 4.538818882116002 5.6211e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7834 days (21.45 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:00  

Additional Information
 Jupiter MOID = 2.76495 au 
 T_jup = 3.572 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.419788788292304E-15 -7.773749625806764E-15 -1.16694015325893E-12 -1.255221440667604E-14 -4.370672396582948E-13 1.645825447072563E-16
q -7.773749625806764E-15 1.770323515539549E-14 2.622050972753637E-12 2.795585514153889E-14 9.833732727081715E-13 -1.572116317195826E-16
tp -1.16694015325893E-12 2.622050972753637E-12 1.553853665427385E-9 7.479936769484356E-12 5.520784432185641E-10 -2.065373090132027E-12
node -1.255221440667604E-14 2.795585514153889E-14 7.479936769484356E-12 1.558399997946882E-9 -1.55011605146777E-9 -4.959869161351743E-11
peri -4.370672396582948E-13 9.833732727081715E-13 5.520784432185641E-10 -1.55011605146777E-9 1.751183639121836E-9 4.870800172062684E-11
i 1.645825447072563E-16 -1.572116317195826E-16 -2.065373090132027E-12 -4.959869161351743E-11 4.870800172062684E-11 3.159628272454127E-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 16.1   n/a MPO299589  
rotation period rot_per 21.541 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

101005 (1998 QD47)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 QD47 = 2000 EL19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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