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101099 (1998 RK41)
Classification: Main-belt Asteroid          SPK-ID: 2101099
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .04312683539418643 7.9544e-08  
a 2.883766205301669 2.4273e-08 au
q 2.759398494850307 2.2003e-07 au
i 11.28566091429609 6.2764e-06 deg
node 340.1944413195117 2.572e-05 deg
peri 31.36438200453344 6.8941e-05 deg
M 137.9216050771552 6.6882e-05 deg
tp 2458315.219615330177
(2018-Jul-15.71961533)		 0.00032938 TDB
period 1788.704085506608
4.90		 2.2584e-05
6.183e-08		 d
yr
n .2012630277511993 2.5411e-09 deg/d
Q 3.008133915753032 2.532e-08 au
   Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1993-09-10  
   last obs. used      2020-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:25  

Additional Information
 Earth MOID = 1.76168 au 
 Jupiter MOID = 2.21348 au 
 T_jup = 3.263 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04078140798392312 7.9059e-08  
q 2.769060147153083 2.1774e-07 au
tp 2456523.669320987105
(2013-Aug-19.16932099)		 0.00034274 TDB
node 340.2302795372844 2.5699e-05 deg
peri 31.09641014491406 7.258e-05 deg
i 11.28799311271934 6.2756e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1993-09-10  
   last obs. used      2020-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:25  

Additional Information
 Jupiter MOID = 2.21348 au 
 T_jup = 3.263 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.250284130582785E-15 -1.713476558858569E-14 4.797410001948174E-12 1.575456236029193E-14 6.866048585011798E-13 1.877982545894806E-15
q -1.713476558858569E-14 4.740884883426267E-14 -1.17644733518544E-11 -4.64804384827717E-14 -1.578747213438791E-12 -4.944082142136447E-15
tp 4.797410001948174E-12 -1.17644733518544E-11 1.174716713619876E-7 -9.884738300230868E-11 2.325684430814896E-8 -2.530849389475864E-11
node 1.575456236029193E-14 -4.64804384827717E-14 -9.884738300230868E-11 6.604310671120924E-10 -6.680244978825901E-10 1.317636150354716E-11
peri 6.866048585011798E-13 -1.578747213438791E-12 2.325684430814896E-8 -6.680244978825901E-10 5.267863453648963E-9 -1.804991377835898E-11
i 1.877982545894806E-15 -4.944082142136447E-15 -2.530849389475864E-11 1.317636150354716E-11 -1.804991377835898E-11 3.938377222433871E-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 15.0   n/a MPO417510  
diameter diameter 5.106 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101099 (1998 RK41)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 RK41 = 2003 RW9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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