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385188 (1995 ST49)
Classification: Main-belt Asteroid          SPK-ID: 2385188
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272287537887671 6.3425e-08  
a 2.314370652952878 1.1303e-08 au
q 1.7884790936771 1.4646e-07 au
i 2.510534986696646 6.6258e-06 deg
node 63.23068044766885 0.00019339 deg
peri 316.154182228009 0.00019527 deg
M 52.15967759794181 2.402e-05 deg
tp 2459014.171110796740
(2020-Jun-13.67111080)
8.5264e-05 TDB
period 1286.020221026451
3.52
9.4208e-06
2.579e-08
d
yr
n .2799333899374165 2.0507e-09 deg/d
Q 2.840262212228656 1.3871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      9252 days (25.33 yr)  
   first obs. used      1995-09-19  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59745  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:27  

Additional Information
 Earth MOID = .790588 au 
 Jupiter MOID = 2.62105 au 
 T_jup = 3.546 
[ 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 18.38   n/a MPCxxxxx  

385188 (1995 ST49)          Discovered 1995-Sep-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 1995 ST49 = 2009 QL42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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