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JPL Small-Body Database Browser
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441074 (2007 RQ87)
Classification: Main-belt Asteroid          SPK-ID: 2441074
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2978491128015346 2.6301e-07  
a 2.53634401758776 1.6538e-08 au
q 1.780896202189766 6.7726e-07 au
i 9.718569004066268 1.5651e-05 deg
node 176.0216653226208 2.4929e-05 deg
peri 199.6083811076214 4.8388e-05 deg
M 306.3303243837867 3.4749e-05 deg
tp 2458820.456669297423
(2019-Dec-02.95666930)
0.00014414 TDB
period 1475.403009947598
4.04
1.443e-05
3.951e-08
d
yr
n .2440011288934447 2.3865e-09 deg/d
Q 3.291791832985754 2.1464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      5888 days (16.12 yr)  
   first obs. used      2003-09-17  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57322  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:55:47  

Additional Information
 Earth MOID = .783825 au 
 Jupiter MOID = 2.17209 au 
 T_jup = 3.365 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.4   n/a MPO349176  

441074 (2007 RQ87)          Discovered 2007-Sep-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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