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101947 (1999 RS26)
Classification: Main-belt Asteroid          SPK-ID: 2101947
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04064803815032485 3.6252e-08  
a 2.360756069623327 9.5398e-09 au
q 2.264795966841667 8.5953e-08 au
i 2.319783673698187 3.7356e-06 deg
node 225.1377317096899 9.4531e-05 deg
peri 299.4382978581426 0.00010467 deg
M 88.75034164454817 4.4499e-05 deg
tp 2458673.880107089386
(2019-Jul-09.38010709)
0.00016365 TDB
period 1324.875592239977
3.63
8.0307e-06
2.199e-08
d
yr
n .2717236260586137 1.647e-09 deg/d
Q 2.456716172404987 9.9276e-09 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1995-06-03  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:35  

Additional Information
 Earth MOID = 1.27221 au 
 Jupiter MOID = 2.5123 au 
 T_jup = 3.549 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456888.5 (2014-Aug-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04121503058336327 3.6231e-08  
q 2.262701888340338 8.6042e-08 au
tp 2457350.687895065622
(2015-Nov-24.18789507)
0.000161 TDB
node 225.2183382809701 9.4596e-05 deg
peri 299.7529626500738 0.00010446 deg
i 2.318900455903841 3.7349e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1995-06-03  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:35  

Additional Information
 Jupiter MOID = 2.5123 au 
 T_jup = 3.549 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.312710370753283E-15 -3.099388844536597E-15 6.021493375286999E-13 -9.263266441502193E-16 1.83641147551911E-13 -6.343253131619253E-17
q -3.099388844536597E-15 7.40329272348188E-15 -1.422041008721745E-12 2.159889218705132E-15 -4.420339260517667E-13 2.251238471742512E-16
tp 6.021493375286999E-13 -1.422041008721745E-12 2.59213716088041E-8 -4.900611787508918E-11 7.148916182808573E-9 6.154409698490764E-13
node -9.263266441502193E-16 2.159889218705132E-15 -4.900611787508918E-11 8.948442445557697E-9 -8.953997990427336E-9 -4.812315620757419E-11
peri 1.83641147551911E-13 -4.420339260517667E-13 7.148916182808573E-9 -8.953997990427336E-9 1.0912669698267E-8 4.825081373781551E-11
i -6.343253131619253E-17 2.251238471742512E-16 6.154409698490764E-13 -4.812315620757419E-11 4.825081373781551E-11 1.394982855477958E-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 16.0   n/a MPO432546  

101947 (1999 RS26)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RS26 = 2001 BS71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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