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46945 (1998 SB107)
Classification: Main-belt Asteroid          SPK-ID: 2046945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0481670572810462 4.6473e-08  
a 2.705223039991859 1.2264e-08 au
q 2.574920406866565 1.3023e-07 au
i 6.117256529386019 4.8628e-06 deg
node 10.30799985397618 3.0471e-05 deg
peri 2.0878568061982 4.7578e-05 deg
M 39.9187878154316 3.5542e-05 deg
tp 2459216.290414642512
(2021-Jan-01.79041464)
0.00016058 TDB
period 1625.185890630086
4.45
1.1052e-05
3.026e-08
d
yr
n .2215131217146044 1.5063e-09 deg/d
Q 2.835525673117153 1.2855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1388  
   data-arc span      11172 days (30.59 yr)  
   first obs. used      1991-01-07  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49907  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:53:48  

Additional Information
 Earth MOID = 1.5737 au 
 Jupiter MOID = 2.37918 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457637.5 (2016-Sep-06.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05061763721672257 4.6555e-08  
q 2.569073357027743 1.3098e-07 au
tp 2457589.578489634518
(2016-Jul-20.07848963)
0.00015313 TDB
node 10.4618188428058 3.0436e-05 deg
peri 1.832226805244488 4.6052e-05 deg
i 6.121423927448314 4.864e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1388  
   data-arc span      11172 days (30.59 yr)  
   first obs. used      1991-01-07  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49907  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:53:48  

Additional Information
 Jupiter MOID = 2.37918 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.167369746642351E-15 -6.076587052932581E-15 -9.542869421244651E-13 -5.618504242743644E-15 -1.837429704378671E-13 -2.326904249985329E-16
q -6.076587052932581E-15 1.715683040818146E-14 2.273332309757788E-12 1.495938938057447E-14 4.251763111570686E-13 1.017377538618953E-15
tp -9.542869421244651E-13 2.273332309757788E-12 2.344813593113418E-8 -5.086056065578613E-12 5.299795698931863E-9 1.461958520066461E-12
node -5.618504242743644E-15 1.495938938057447E-14 -5.086056065578613E-12 9.263631950385907E-10 -9.219333166956542E-10 -2.695133269155531E-11
peri -1.837429704378671E-13 4.251763111570686E-13 5.299795698931863E-9 -9.219333166956542E-10 2.120790831798022E-9 2.713234205740233E-11
i -2.326904249985329E-16 1.017377538618953E-15 1.461958520066461E-12 -2.695133269155531E-11 2.713234205740233E-11 2.365855089859838E-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 14.67   n/a E2021B10  
diameter diameter 3.005 km 0.346 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.373   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46945 (1998 SB107)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SB107 = 2000 AE35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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