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JPL Small-Body Database Browser
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487798 (2015 SY1)
Classification: Main-belt Asteroid          SPK-ID: 2487798
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1360332584856219 6.3863e-08  
a 2.316014959479249 1.9417e-08 au
q 2.000959897839841 1.4374e-07 au
i 6.950573475611526 6.076e-06 deg
node 62.84916581190975 4.6503e-05 deg
peri 181.563490546443 5.131e-05 deg
M 231.1618996556802 2.2771e-05 deg
tp 2459461.236139655615
(2021-Sep-03.73613966)
8.3528e-05 TDB
period 1287.390995619673
3.52
1.619e-05
4.433e-08
d
yr
n .2796353254177589 3.5166e-09 deg/d
Q 2.631070021118657 2.2059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5120 days (14.02 yr)  
   first obs. used      2005-11-26  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:59:53  

Additional Information
 Earth MOID = .987789 au 
 Jupiter MOID = 2.38194 au 
 T_jup = 3.559 
[ 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 17.7   n/a MPO354676  

487798 (2015 SY1)          Discovered 2007-Mar-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 SY1 = 2014 FJ57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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