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268101 (2004 RA321)
Classification: Main-belt Asteroid          SPK-ID: 2268101
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032660136352706 6.12e-08  
a 2.773663804235411 2.8562e-08 au
q 2.487238600007581 1.7943e-07 au
i 4.532070222649363 6.5033e-06 deg
node 275.3066845983315 0.00010064 deg
peri 149.2576103102208 0.00010972 deg
M 359.1438933851827 4.189e-05 deg
tp 2458604.512402639590
(2019-May-01.01240264)
0.00019635 TDB
period 1687.248907147714
4.62
2.6062e-05
7.135e-08
d
yr
n .2133650811536623 3.2957e-09 deg/d
Q 3.060089008463241 3.1511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      6581 days (18.02 yr)  
   first obs. used      2000-12-27  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:17:45  

Additional Information
 Earth MOID = 1.50185 au 
 Jupiter MOID = 2.20497 au 
 T_jup = 3.324 
[ 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 16.3   n/a MPO413198  
diameter diameter 2.992 km 0.706 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268101 (2004 RA321)          Discovered 2004-Sep-13 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2004 RA321 = 2000 YA144 = 2005 YZ32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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