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487698 (2015 RS18)
Classification: Main-belt Asteroid          SPK-ID: 2487698
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 .195145385056431 9.4011e-08  
a 2.651795609536542 5.6845e-08 au
q 2.13430993422258 2.742e-07 au
i 13.59235545607033 9.7265e-06 deg
node 184.6211023112104 2.295e-05 deg
peri 166.3456023329265 2.9586e-05 deg
M 31.78574332143184 1.9752e-05 deg
tp 2458861.236159062309
(2020-Jan-12.73615906)
8.3759e-05 TDB
period 1577.278914970814
4.32
5.0717e-05
1.389e-07
d
yr
n .2282411795295326 7.3391e-09 deg/d
Q 3.169281284850503 6.7939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      2364 days (6.47 yr)  
   first obs. used      2011-10-25  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59673  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:47:33  

Additional Information
 Earth MOID = 1.1318 au 
 Jupiter MOID = 2.29561 au 
 T_jup = 3.323 
[ 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 17.2   n/a MPO440946  

487698 (2015 RS18)          Discovered 2011-Oct-25 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 RS18 = 2014 HQ199 = 2014 HW112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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