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JPL Small-Body Database Browser
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109829 (2001 RK118)
Classification: Main-belt Asteroid          SPK-ID: 2109829
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07648853587510357 5.0526e-08  
a 3.072391721483473 2.5276e-08 au
q 2.837388977072413 1.5984e-07 au
i 1.267303962027315 4.8549e-06 deg
node 63.09129048952894 0.00024049 deg
peri 104.0472382339851 0.00024241 deg
M 284.5923497205283 3.2034e-05 deg
tp 2459012.527510030830
(2020-Jun-12.02751003)
0.00017701 TDB
period 1967.040519912324
5.39
2.4273e-05
6.646e-08
d
yr
n .1830160570439322 2.2584e-09 deg/d
Q 3.307394465894533 2.7209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      9280 days (25.41 yr)  
   first obs. used      1994-05-03  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55126  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:54:22  

Additional Information
 Earth MOID = 1.84485 au 
 Jupiter MOID = 1.66112 au 
 T_jup = 3.226 
[ 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 15.0   n/a MPO426696  
diameter diameter 6.044 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109829 (2001 RK118)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RK118 = 2002 XK9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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