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277283 (2005 SZ78)
Classification: Main-belt Asteroid          SPK-ID: 2277283
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766778461741124 3.7689e-08  
a 2.424975406152456 8.4693e-09 au
q 1.996535974368246 9.1969e-08 au
i 3.16519375980249 5.0339e-06 deg
node 44.20772218849798 9.2536e-05 deg
peri 24.7131654854419 9.5211e-05 deg
M 325.5512514746154 2.1677e-05 deg
tp 2459332.486764541397
(2021-Apr-27.98676454)
8.3349e-05 TDB
period 1379.302217608568
3.78
7.2259e-06
1.978e-08
d
yr
n .2610015378820804 1.3673e-09 deg/d
Q 2.853414837936665 9.9656e-09 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6514 days (17.83 yr)  
   first obs. used      2003-03-07  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45737  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 04:00:18  

Additional Information
 Earth MOID = 1.01061 au 
 Jupiter MOID = 2.43964 au 
 T_jup = 3.488 
[ 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 17.84   n/a MPCxxxxx  

277283 (2005 SZ78)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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