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109868 (2001 RS147)
Classification: Main-belt Asteroid          SPK-ID: 2109868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709085775706152 4.4595e-08  
a 2.441598515502001 1.1153e-08 au
q 2.024308386219029 1.0832e-07 au
i 5.990326576866355 4.1117e-06 deg
node 69.26242680272401 4.4318e-05 deg
peri 219.1880543899624 4.5869e-05 deg
M 50.40788015824232 1.1386e-05 deg
tp 2459005.378224781778
(2020-Jun-04.87822478)
4.4285e-05 TDB
period 1393.509087429345
3.82
9.5485e-06
2.614e-08
d
yr
n .2583406188359378 1.7702e-09 deg/d
Q 2.858888644784974 1.306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      10032 days (27.47 yr)  
   first obs. used      1993-05-23  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:33:30  

Additional Information
 Earth MOID = 1.01022 au 
 Jupiter MOID = 2.3071 au 
 T_jup = 3.474 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457357.5 (2015-Dec-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1701253311304692 4.4609e-08  
q 2.026623073564036 1.0818e-07 au
tp 2457611.940057423816
(2016-Aug-11.44005742)
4.7164e-05 TDB
node 69.28532337560777 4.4294e-05 deg
peri 219.3023858134441 4.5856e-05 deg
i 5.991448971787079 4.1118e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      10032 days (27.47 yr)  
   first obs. used      1993-05-23  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:33:30  

Additional Information
 Jupiter MOID = 2.3071 au 
 T_jup = 3.474 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.989979840118746E-15 -4.808425066788647E-15 3.668210509137717E-13 1.128857864297893E-14 5.318137233925216E-14 -1.573448989527963E-15
q -4.808425066788647E-15 1.170306416970174E-14 -1.056925378405713E-12 -2.624600977017604E-14 -1.763394343846024E-13 4.141236370216474E-15
tp 3.668210509137717E-13 -1.056925378405713E-12 2.224487952915912E-9 -1.696591750954451E-13 5.827986211371639E-10 -1.452594034349786E-12
node 1.128857864297893E-14 -2.624600977017604E-14 -1.696591750954451E-13 1.961953053060975E-9 -1.951128090239982E-9 4.278709175581344E-11
peri 5.318137233925216E-14 -1.763394343846024E-13 5.827986211371639E-10 -1.951128090239982E-9 2.102798188661117E-9 -4.291908460344554E-11
i -1.573448989527963E-15 4.141236370216474E-15 -1.452594034349786E-12 4.278709175581344E-11 -4.291908460344554E-11 1.690720203967309E-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 15.85   n/a E2021B55  

109868 (2001 RS147)          Discovered 2001-Sep-10 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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