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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2979069385445743 2.6288e-07  
a 2.536232341928896 1.6647e-08 au
q 1.780671129507123 6.7702e-07 au
i 9.7189251640783 1.5652e-05 deg
node 176.0135001433411 2.4928e-05 deg
peri 199.6604965144938 4.8404e-05 deg
M 43.91011522535203 3.5548e-05 deg
tp 2458820.553229255031
(2019-Dec-03.05322926)
0.00014424 TDB
period 1475.305567651683
4.04
1.4525e-05
3.977e-08
d
yr
n .2440172448972927 2.4025e-09 deg/d
Q 3.29179355435067 2.1607e-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 = .784434 au 
 Jupiter MOID = 2.17537 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 18.3   n/a MPO495184  

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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