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487772 (2015 RL208)
Classification: Main-belt Asteroid          SPK-ID: 2487772
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02249478530484278 6.4028e-08  
a 2.714897544667165 3.6392e-08 au
q 2.653826507275232 1.7175e-07 au
i 1.670985646863339 7.8906e-06 deg
node 72.78670938089856 0.00023686 deg
peri 65.65507489221073 0.00031378 deg
M 300.8009814564127 0.00020664 deg
tp 2459469.183254310351
(2021-Sep-11.68325431)
0.00093962 TDB
period 1633.911742650071
4.47
3.2853e-05
8.995e-08
d
yr
n .2203301381604061 4.4301e-09 deg/d
Q 2.775968582059097 3.7211e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      6112 days (16.73 yr)  
   first obs. used      2004-03-23  
   last obs. used      2020-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:33:02  

Additional Information
 Earth MOID = 1.66685 au 
 Jupiter MOID = 2.19922 au 
 T_jup = 3.360 
[ 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 17.5   n/a MPO450510  

487772 (2015 RL208)          Discovered 2011-Oct-26 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 RL208 = 2011 WU38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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