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JPL Small-Body Database Browser
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27075 (1998 SY143)
Classification: Main-belt Asteroid          SPK-ID: 2027075
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463618731827717 3.9017e-08  
a 2.221218674597403 7.6884e-09 au
q 1.896116948634774 8.6685e-08 au
i 2.301694682696238 4.7274e-06 deg
node 348.7858473762612 8.8213e-05 deg
peri 331.3163472662333 8.9885e-05 deg
M 241.451327707407 2.0756e-05 deg
tp 2459398.680139685746
(2021-Jul-03.18013969)
7.1061e-05 TDB
period 1209.164535669161
3.31
6.278e-06
1.719e-08
d
yr
n .2977262311127685 1.5458e-09 deg/d
Q 2.546320400560032 8.8137e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1070  
   data-arc span      8450 days (23.13 yr)  
   first obs. used      1997-03-08  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:08:07  

Additional Information
 Earth MOID = .88363 au 
 Jupiter MOID = 2.73287 au 
 T_jup = 3.634 
[ 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 15.5   n/a MPO468046  

27075 (1998 SY143)          Discovered 1998-Sep-18 by Elst, E. W. at La Silla
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SY143 = 1997 ED55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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