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136970 (1998 RS44)
Classification: Main-belt Asteroid          SPK-ID: 2136970
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544649081619199 4.2164e-08  
a 2.313057501963467 9.0547e-09 au
q 1.95577128734944 9.9691e-08 au
i 7.171534090915363 5.9658e-06 deg
node 145.4688243526537 3.1258e-05 deg
peri 260.1440259185144 3.7229e-05 deg
M 21.68730374034756 2.0793e-05 deg
tp 2458923.092840312607
(2020-Mar-14.59284031)
7.4092e-05 TDB
period 1284.92586358801
3.52
7.545e-06
2.066e-08
d
yr
n .2801718061731132 1.6451e-09 deg/d
Q 2.670343716577494 1.0453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      7802 days (21.36 yr)  
   first obs. used      1998-09-13  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .577  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:43:16  

Additional Information
 Earth MOID = .979804 au 
 Jupiter MOID = 2.73072 au 
 T_jup = 3.557 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457099.5 (2015-Mar-18.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1549484986106712 4.2544e-08  
q 1.954383833406404 1.0071e-07 au
tp 2457635.835225705411
(2016-Sep-04.33522571)
7.1891e-05 TDB
node 145.5818207204381 3.126e-05 deg
peri 259.5381686376712 3.7153e-05 deg
i 7.17197894031849 5.9692e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      7802 days (21.36 yr)  
   first obs. used      1998-09-13  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .577  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:43:16  

Additional Information
 Jupiter MOID = 2.73072 au 
 T_jup = 3.557 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.810001008810715E-15 -4.273091236099591E-15 -1.866311466936324E-12 1.374352720795602E-14 -4.845716868588887E-13 8.244587619851095E-16
q -4.273091236099591E-15 1.014311440251603E-14 4.426591456375528E-12 -3.312437044629375E-14 1.142404643196829E-12 -1.696166154742347E-15
tp -1.866311466936324E-12 4.426591456375528E-12 5.168312849146413E-9 -3.300798182610065E-11 1.452581411226751E-9 6.217917723580009E-13
node 1.374352720795602E-14 -3.312437044629375E-14 -3.300798182610065E-11 9.771862889245319E-10 -9.777699919832714E-10 8.153733788773603E-11
peri -4.845716868588887E-13 1.142404643196829E-12 1.452581411226751E-9 -9.777699919832714E-10 1.380308485434466E-9 -8.078902883165405E-11
i 8.244587619851095E-16 -1.696166154742347E-15 6.217917723580009E-13 8.153733788773603E-11 -8.078902883165405E-11 3.563166753043563E-11

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 16.1   n/a MPO264231  

136970 (1998 RS44)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 RS44 = 2003 AY86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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