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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06837705262763516 6.0148e-08  
a 2.814688747627107 3.2559e-08 au
q 2.622228627000196 1.6599e-07 au
i 3.97364665571141 7.8707e-06 deg
node 336.401171277073 8.1342e-05 deg
peri 134.4102881507042 9.7625e-05 deg
M 150.0804973345232 5.3771e-05 deg
tp 2457881.438971353478
(2017-May-07.93897135)
0.00025506 TDB
period 1724.820845547675
4.72
2.9928e-05
8.194e-08
d
yr
n .2087173290659592 3.6215e-09 deg/d
Q 3.007148868254018 3.4785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      6170 days (16.89 yr)  
   first obs. used      2001-05-24  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63306  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:00:58  

Additional Information
 Earth MOID = 1.64095 au 
 Jupiter MOID = 2.05833 au 
 T_jup = 3.313 
[ show covariance matrix ]

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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