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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116225981529695 3.5742e-08  
a 2.198253051459517 1.1369e-08 au
q 1.942758932902987 7.6257e-08 au
i 2.126292363482959 3.9313e-06 deg
node 234.553994609815 0.0001645 deg
peri 165.4643242044915 0.00016673 deg
M 195.8133410737497 2.9124e-05 deg
tp 2459543.438099659632
(2021-Nov-24.93809966)
9.8175e-05 TDB
period 1190.460401324469
3.26
9.2357e-06
2.529e-08
d
yr
n .3024040107503578 2.3461e-09 deg/d
Q 2.453747170016046 1.2691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      8886 days (24.33 yr)  
   first obs. used      1995-12-26  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:40:37  

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 16.6   n/a MPO469253  

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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