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173770 (2001 RQ149)
Classification: Main-belt Asteroid          SPK-ID: 2173770
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06982742595719711 5.1002e-08  
a 2.810868717776491 2.3096e-08 au
q 2.614592990510551 1.5128e-07 au
i 3.97876786317827 7.2842e-06 deg
node 336.3177510995919 6.2422e-05 deg
peri 134.9712697070938 8.1515e-05 deg
M 233.131467609799 5.2539e-05 deg
tp 2459607.111564514739
(2022-Jan-27.61156451)
0.00025368 TDB
period 1721.31070732062
4.71
2.1216e-05
5.809e-08
d
yr
n .209142950467306 2.5777e-09 deg/d
Q 3.00714444504243 2.4709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      2001-05-24  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:17:39  

Additional Information
 Earth MOID = 1.633 au 
 Jupiter MOID = 2.05682 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457562.5 (2016-Jun-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06798410893737655 4.9585e-08  
q 2.62119203122383 1.4703e-07 au
tp 2457874.696920400714
(2017-May-01.19692040)
0.00025896 TDB
node 336.5803122136718 6.2448e-05 deg
peri 132.7572032624686 8.3156e-05 deg
i 3.976594262566616 7.2839e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      2001-05-24  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:17:39  

Additional Information
 Jupiter MOID = 2.05682 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.458688935499033E-15 -7.218599627806218E-15 4.706326924879362E-12 -6.461597961008785E-15 1.09644686773264E-12 -5.139346561161285E-17
q -7.218599627806218E-15 2.161796459327285E-14 -1.160981350935456E-11 2.080549437331718E-14 -2.778205233179899E-12 1.520717119724568E-15
tp 4.706326924879362E-12 -1.160981350935456E-11 6.706137093969094E-8 -1.55338983904877E-11 1.422058345605991E-8 9.909004738192511E-12
node -6.461597961008785E-15 2.080549437331718E-14 -1.55338983904877E-11 3.899729496663716E-9 -3.893700534615244E-9 1.155289395046972E-10
peri 1.09644686773264E-12 -2.778205233179899E-12 1.422058345605991E-8 -3.893700534615244E-9 6.914980764536888E-9 -1.133145710261311E-10
i -5.139346561161285E-17 1.520717119724568E-15 9.909004738192511E-12 1.155289395046972E-10 -1.133145710261311E-10 5.305578137331157E-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 15.8   n/a MPO439994  

173770 (2001 RQ149)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 RQ149 = 2003 AC32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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