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152079 (2004 RS21)
Classification: Main-belt Asteroid          SPK-ID: 2152079
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1132756911871302 3.6003e-08  
a 2.730268738524572 2.003e-08 au
q 2.420995660041587 1.0183e-07 au
i 3.524282642925226 5.5626e-06 deg
node 170.8328037628361 6.2945e-05 deg
peri 103.6395865256458 6.9522e-05 deg
M 279.8036670780616 3.363e-05 deg
tp 2459567.578147116792
(2021-Dec-19.07814712)
0.00015639 TDB
period 1647.807675828214
4.51
1.8133e-05
4.965e-08
d
yr
n .218472097976518 2.4042e-09 deg/d
Q 3.039541817007557 2.2299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      9311 days (25.49 yr)  
   first obs. used      1995-09-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:25:36  

Additional Information
 Earth MOID = 1.40591 au 
 Jupiter MOID = 2.05937 au 
 T_jup = 3.342 
[ 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 16.09   n/a E2021B55  

152079 (2004 RS21)          Discovered 2004-Sep-07 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2004 RS21 = 1995 SL6 = 2003 HT21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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