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487805 (2015 SZ7)
Classification: Main-belt Asteroid          SPK-ID: 2487805
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .260479444622883 2.2992e-07  
a 3.095200249090804 2.3172e-07 au
q 2.288964207211022 5.5482e-07 au
i 8.327965169201045 2.1319e-05 deg
node 322.0282166249615 7.7391e-05 deg
peri 103.6685904457131 0.00028607 deg
M 272.6342560407501 0.00020721 deg
tp 2459483.192146790429
(2021-Sep-25.69214679)
0.0010947 TDB
period 1988.985212849625
5.45
0.00022335
6.115e-07
d
yr
n .1809968207276046 2.0325e-08 deg/d
Q 3.901436290970586 2.9207e-07 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      4579 days (12.54 yr)  
   first obs. used      2004-09-12  
   last obs. used      2017-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6863  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:17  

Additional Information
 Earth MOID = 1.31994 au 
 Jupiter MOID = 1.55477 au 
 T_jup = 3.155 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO409263  

487805 (2015 SZ7)          Discovered 2004-Sep-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 SZ7 = 2004 RW318 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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