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JPL Small-Body Database Browser
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46946 (1998 SR111)
Classification: Main-belt Asteroid          SPK-ID: 2046946
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016884899284519 4.2281e-08  
a 2.674318769605951 1.4513e-08 au
q 2.402371332337406 1.1185e-07 au
i 13.39993228449002 4.9609e-06 deg
node 16.76005996033096 1.9995e-05 deg
peri 103.9773306823818 3.1393e-05 deg
M 245.4417007814774 2.565e-05 deg
tp 2459508.825904417800
(2021-Oct-21.32590442)
0.00011522 TDB
period 1597.41657163866
4.37
1.3004e-05
3.56e-08
d
yr
n .2253638821529848 1.8345e-09 deg/d
Q 2.946266206874495 1.5989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1996-03-20  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:37:56  

Additional Information
 Earth MOID = 1.45779 au 
 Jupiter MOID = 2.15837 au 
 T_jup = 3.333 
[ 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 13.5   n/a MPO436110  
diameter diameter 4.713 km 0.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.317   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46946 (1998 SR111)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SR111 = 1996 FM10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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