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249731 (2000 SS54)
Classification: Main-belt Asteroid          SPK-ID: 2249731
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590967964179824 4.9791e-08  
a 2.234640679083832 1.3224e-08 au
q 1.87911650589629 1.0816e-07 au
i 5.688474835887597 5.2243e-06 deg
node 184.0099507444054 4.5461e-05 deg
peri 197.8413977379035 4.8417e-05 deg
M 306.1390458931696 2.0765e-05 deg
tp 2459183.049866194685
(2020-Nov-29.54986619)
7.1467e-05 TDB
period 1220.140877930575
3.34
1.0831e-05
2.965e-08
d
yr
n .2950478969367696 2.6191e-09 deg/d
Q 2.590164852271375 1.5328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      6832 days (18.70 yr)  
   first obs. used      2000-09-05  
   last obs. used      2019-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:26:44  

Additional Information
 Earth MOID = .882583 au 
 Jupiter MOID = 2.86587 au 
 T_jup = 3.616 
[ 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 17.0   n/a MPO266677  

249731 (2000 SS54)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 2000 SS54 = 2002 ED76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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