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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367943394942917 2.9085e-08  
a 2.596536956278463 1.2629e-08 au
q 2.241345398371833 7.5785e-08 au
i 2.545094459181278 3.1499e-06 deg
node 98.48328839558015 0.00012847 deg
peri 161.602941521383 0.00013011 deg
M 118.0878589680281 2.101e-05 deg
tp 2458099.205503125545
(2017-Dec-11.70550313)
8.9206e-05 TDB
period 1528.235167034947
4.18
1.1149e-05
3.052e-08
d
yr
n .2355658394502629 1.7186e-09 deg/d
Q 2.951728514185094 1.4356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      17781 days (48.68 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57169  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:06:40  

Additional Information
 Earth MOID = 1.22579 au 
 Jupiter MOID = 2.10438 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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