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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268146181521591 4.9847e-08  
a 2.546133573225581 1.0563e-08 au
q 1.968633259050029 1.2889e-07 au
i 8.209730388093694 6.7837e-06 deg
node 137.1116823607548 2.2308e-05 deg
peri 324.1360786641466 2.769e-05 deg
M 310.5471747985875 1.3706e-05 deg
tp 2458804.349104961092
(2019-Nov-16.84910496)
5.6474e-05 TDB
period 1483.95319149324
4.06
9.235e-06
2.528e-08
d
yr
n .2425952530468614 1.5097e-09 deg/d
Q 3.123633887401134 1.2959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1725  
   data-arc span      14974 days (41.00 yr)  
   first obs. used      1978-11-01  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52222  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:29:16  

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 13.8   n/a MPO459175  
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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