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46941 (1998 SQ74)
Classification: Main-belt Asteroid          SPK-ID: 2046941
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04189969805424647 3.5549e-08  
a 2.727272418072534 1.417e-08 au
q 2.61300052724362 9.4387e-08 au
i 4.551265144075703 4.3238e-06 deg
node 76.60462578304927 4.7587e-05 deg
peri 64.20419010936364 7.085e-05 deg
M 176.8743546906904 5.2573e-05 deg
tp 2458192.235368748677
(2018-Mar-14.73536875)
0.00024024 TDB
period 1645.095852133682
4.50
1.2821e-05
3.51e-08
d
yr
n .2188322337164011 1.7055e-09 deg/d
Q 2.841544308901448 1.4764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:37:55  

Additional Information
 Earth MOID = 1.63 au 
 Jupiter MOID = 2.15549 au 
 T_jup = 3.350 
[ show covariance matrix ]

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 14.5   n/a MPO257186  
diameter diameter 4.183 km 0.540 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.175   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46941 (1998 SQ74)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SQ74 = 2000 AU62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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