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109866 (2001 RS146)
Classification: Main-belt Asteroid          SPK-ID: 2109866
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1934840563735847 3.3134e-08  
a 2.647102557386172 1.3805e-08 au
q 2.134930416946206 8.7872e-08 au
i 12.73112238234315 3.8022e-06 deg
node 247.5818355568233 2.4061e-05 deg
peri 167.1897260928796 2.8735e-05 deg
M 128.7965599552161 1.5914e-05 deg
tp 2458637.697081240244
(2019-Jun-03.19708124)
6.7388e-05 TDB
period 1573.093651134482
4.31
1.2306e-05
3.369e-08
d
yr
n .2288484221777741 1.7902e-09 deg/d
Q 3.159274697826139 1.6476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52544  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:17:43  

Additional Information
 Earth MOID = 1.14817 au 
 Jupiter MOID = 2.2019 au 
 T_jup = 3.331 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457327.5 (2015-Nov-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912614921641616 3.2959e-08  
q 2.142672855177755 8.7085e-08 au
tp 2457063.291984020561
(2015-Feb-09.79198402)
6.425e-05 TDB
node 247.7152370186294 2.4103e-05 deg
peri 167.1609244099702 2.8925e-05 deg
i 12.71131313542602 3.7974e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52544  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:17:43  

Additional Information
 Jupiter MOID = 2.2019 au 
 T_jup = 3.331 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.086328577130792E-15 -2.846841159011507E-15 -4.456536124090534E-13 -8.195558620181648E-15 -1.043779474071902E-13 -1.253662001936312E-15
q -2.846841159011507E-15 7.583857194289388E-15 1.383833862865264E-12 2.622486484623954E-14 3.281111252541529E-13 3.485797604531451E-15
tp -4.456536124090534E-13 1.383833862865264E-12 4.128099939470424E-9 2.821493013165214E-11 1.065028471080004E-9 2.61544608681932E-12
node -8.195558620181648E-15 2.622486484623954E-14 2.821493013165214E-11 5.809513693976568E-10 -5.589353619571666E-10 -9.490821836305245E-12
peri -1.043779474071902E-13 3.281111252541529E-13 1.065028471080004E-9 -5.589353619571666E-10 8.366555397754477E-10 9.929562587721841E-12
i -1.253662001936312E-15 3.485797604531451E-15 2.61544608681932E-12 -9.490821836305245E-12 9.929562587721841E-12 1.442003088945285E-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 15.53   n/a E2021B55  

109866 (2001 RS146)          Discovered 2001-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RS146 = 1998 BT30 = 2001 UM183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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