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46875 (1998 QD104)
Classification: Main-belt Asteroid          SPK-ID: 2046875
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268146095225557 4.8927e-08  
a 2.546133570219786 9.9996e-09 au
q 1.968633278698114 1.2704e-07 au
i 8.20973147718567 6.1719e-06 deg
node 137.111685301649 2.0866e-05 deg
peri 324.1360719098766 2.6279e-05 deg
M 310.5471795667834 1.2667e-05 deg
tp 2458804.349084945173
(2019-Nov-16.84908495)
5.2018e-05 TDB
period 1483.953188865455
4.06
8.742e-06
2.393e-08
d
yr
n .2425952534764491 1.4291e-09 deg/d
Q 3.123633861741457 1.2268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1827  
   data-arc span      15008 days (41.09 yr)  
   first obs. used      1978-11-01  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50986  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:58:14  

Additional Information
 Earth MOID = .992045 au 
 Jupiter MOID = 2.0533 au 
 T_jup = 3.392 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO502468  
diameter diameter 4.514 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 88.734 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.315   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46875 (1998 QD104)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QD104 = 1978 VZ16 = 1986 RV3 = 1999 VG77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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