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120875 (1998 RU30)
Classification: Main-belt Asteroid          SPK-ID: 2120875
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162259821300776 3.4725e-08  
a 2.198253051735862 1.0696e-08 au
q 1.942758931827421 7.4726e-08 au
i 2.12629161643282 3.8874e-06 deg
node 234.5538144028405 0.00011866 deg
peri 165.464502938077 0.00012089 deg
M 195.8133421370938 2.6737e-05 deg
tp 2459543.438096245710
(2021-Nov-24.93809625)		 9.1035e-05 TDB
period 1190.460401548951
3.26		 8.6889e-06
2.379e-08		 d
yr
n .3024040106933344 2.2072e-09 deg/d
Q 2.453747171644303 1.1939e-08 au
   Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      8947 days (24.50 yr)  
   first obs. used      1995-12-26  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:06  

Additional Information
 Earth MOID = .950714 au 
 Jupiter MOID = 2.90026 au 
 T_jup = 3.657 
[ 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 16.66   n/a E2021B55  

120875 (1998 RU30)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 RU30 = 2001 NW3 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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