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152080 (2004 RV21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2152080
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06191982084788303 5.214e-08  
a 3.261699704764733 2.9406e-08 au
q 3.059735843386108 1.6067e-07 au
i 6.731326281009424 4.709e-06 deg
node 170.7773529544934 4.635e-05 deg
peri 317.9936598915281 6.717e-05 deg
M 141.3887100481499 5.0652e-05 deg
tp 2458355.461258870486
(2018-Aug-24.96125887)
0.00029918 TDB
period 2151.614133144187
5.89
2.9097e-05
7.966e-08
d
yr
n .1673162461867298 2.2627e-09 deg/d
Q 3.463663566143359 3.1227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      8823 days (24.16 yr)  
   first obs. used      1996-05-12  
   last obs. used      2020-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53643  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:25:36  

Additional Information
 Earth MOID = 2.07825 au 
 Jupiter MOID = 1.56556 au 
 T_jup = 3.165 
[ 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 15.11   n/a E2021B55  
diameter diameter 6.455 km 1.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152080 (2004 RV21)          Discovered 2004-Sep-07 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2004 RV21 = 1996 JP7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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