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JPL Small-Body Database Browser
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154868 (2004 RF101)
Classification: Main-belt Asteroid          SPK-ID: 2154868
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156659031737089 6.3994e-08  
a 2.743175975392306 2.1991e-08 au
q 2.425884048634136 1.7106e-07 au
i 4.205853158536788 7.2957e-06 deg
node 218.1032551245589 7.7501e-05 deg
peri 108.6220779633557 8.293e-05 deg
M 185.5641864509242 3.1349e-05 deg
tp 2459804.603743677460
(2022-Aug-13.10374368)
0.0001484 TDB
period 1659.506392833969
4.54
1.9956e-05
5.464e-08
d
yr
n .2169319754081944 2.6086e-09 deg/d
Q 3.060467902150477 2.4535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      8848 days (24.22 yr)  
   first obs. used      1995-10-16  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:05:58  

Additional Information
 Earth MOID = 1.41849 au 
 Jupiter MOID = 2.25317 au 
 T_jup = 3.335 
[ 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 MPO469641  
diameter diameter 2.859 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154868 (2004 RF101)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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