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109643 (2001 RW1)
Classification: Main-belt Asteroid          SPK-ID: 2109643
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09801740420239044 4.3869e-08  
a 3.074878121397583 2.9922e-08 au
q 2.773486549699469 1.3625e-07 au
i 6.775676718311648 7.2309e-06 deg
node 339.6058265033249 4.1207e-05 deg
peri 264.3188456847561 5.7012e-05 deg
M 193.360813789803 4.2078e-05 deg
tp 2459512.122260971528
(2021-Oct-24.62226097)
0.00023398 TDB
period 1969.428808514356
5.39
2.8747e-05
7.87e-08
d
yr
n .1827941169762653 2.6682e-09 deg/d
Q 3.376269693095697 3.2855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      7325 days (20.05 yr)  
   first obs. used      1999-01-19  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58724  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:32:33  

Additional Information
 Earth MOID = 1.77127 au 
 Jupiter MOID = 1.70932 au 
 T_jup = 3.212 
[ 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 14.6   n/a MPO280509  
diameter diameter 7.001 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109643 (2001 RW1)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RW1 = 1999 BB5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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