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JPL Small-Body Database Browser
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27642 (4281 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2027642
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366313590371089 2.8884e-08  
a 2.597041769802416 1.2317e-08 au
q 2.242204423318173 7.5524e-08 au
i 2.545098450909727 3.1262e-06 deg
node 98.48283701709681 0.00011782 deg
peri 161.7101143211104 0.00011929 deg
M 212.1666140302834 1.9636e-05 deg
tp 2459628.250189149723
(2022-Feb-17.75018915)
8.4152e-05 TDB
period 1528.680863334849
4.19
1.0875e-05
2.977e-08
d
yr
n .2354971587821493 1.6753e-09 deg/d
Q 2.951879116286658 1.3999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      947  
   data-arc span      17842 days (48.85 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:07:49  

Additional Information
 Earth MOID = 1.22698 au 
 Jupiter MOID = 2.10467 au 
 T_jup = 3.402 
[ 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 15.1   n/a MPO449166  

27642 (4281 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4281 T-1 = 2000 EO77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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