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487734 (2015 RW101)
Classification: Main-belt Asteroid          SPK-ID: 2487734
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1947032601248375 9.1412e-08  
a 2.455875032522439 2.1194e-08 au
q 1.977708157231129 2.1736e-07 au
i 1.87868578325067 7.1972e-06 deg
node 39.70866659392131 0.00017115 deg
peri 296.8229075962976 0.00017209 deg
M 98.20655221809081 1.7202e-05 deg
tp 2458617.017291312037
(2019-May-13.51729131)
6.4625e-05 TDB
period 1405.749127828921
3.85
1.8197e-05
4.982e-08
d
yr
n .2560912134841543 3.3151e-09 deg/d
Q 2.934041907813749 2.5321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      8399 days (23.00 yr)  
   first obs. used      1996-11-09  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:44:57  

Additional Information
 Earth MOID = .969143 au 
 Jupiter MOID = 2.44648 au 
 T_jup = 3.466 
[ 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 17.6   n/a MPO446846  

487734 (2015 RW101)          Discovered 2011-Aug-25 by OAM at La Sagra
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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