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46942 (1998 SL75)
Classification: Main-belt Asteroid          SPK-ID: 2046942
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .20580188052758 3.1613e-08  
a 2.661959240184773 1.04e-08 au
q 2.114123022666979 8.3775e-08 au
i 3.6181511218413 3.7273e-06 deg
node 98.31480685504225 5.933e-05 deg
peri 222.4223007152904 6.0299e-05 deg
M 126.7389639557344 1.0436e-05 deg
tp 2458838.019285468901
(2019-Dec-20.51928547)
4.4447e-05 TDB
period 1586.355537050285
4.34
9.2966e-06
2.545e-08
d
yr
n .2269352560582946 1.3299e-09 deg/d
Q 3.209795457702568 1.254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      8752 days (23.96 yr)  
   first obs. used      1997-04-06  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:40:59  

Additional Information
 Earth MOID = 1.1023 au 
 Jupiter MOID = 2.1114 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457457.5 (2016-Mar-10.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206739258286007 3.1412e-08  
q 2.110955473258735 8.3243e-08 au
tp 2457253.924239876431
(2015-Aug-19.42423988)
4.1212e-05 TDB
node 98.33386293495631 5.9385e-05 deg
peri 222.6869706148518 6.0353e-05 deg
i 3.61735792125502 3.7263e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      8752 days (23.96 yr)  
   first obs. used      1997-04-06  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:40:59  

Additional Information
 Jupiter MOID = 2.1114 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.867315912149048E-16 -2.602156048732109E-15 -7.209145789542802E-14 1.136024526787846E-14 -5.761291138027178E-14 -5.865537041014907E-16
q -2.602156048732109E-15 6.929446376016173E-15 2.700783059929944E-13 -3.105523476904101E-14 1.737571307393752E-13 1.558111213825069E-15
tp -7.209145789542802E-14 2.700783059929944E-13 1.698396662080964E-9 -1.285649569646626E-11 4.556163613318879E-10 -6.090472080417256E-13
node 1.136024526787846E-14 -3.105523476904101E-14 -1.285649569646626E-11 3.526570609402376E-9 -3.522772681977265E-9 -2.834148414456323E-11
peri -5.761291138027178E-14 1.737571307393752E-13 4.556163613318879E-10 -3.522772681977265E-9 3.642493112028955E-9 2.813425324508007E-11
i -5.865537041014907E-16 1.558111213825069E-15 -6.090472080417256E-13 -2.834148414456323E-11 2.813425324508007E-11 1.388529266802636E-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 15.43   n/a MPCxxxxx  
diameter diameter 4.827 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46942 (1998 SL75)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SL75 = 1997 GJ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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