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27844 (1994 TG1)
Classification: Main-belt Asteroid          SPK-ID: 2027844
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1276101524653708 3.8848e-08  
a 2.285712198022325 7.1862e-09 au
q 1.994032115940739 9.0045e-08 au
i 5.518139585102315 4.5199e-06 deg
node 47.53703629991461 4.3963e-05 deg
peri 12.16217255925539 4.7793e-05 deg
M 119.5656264882764 1.9341e-05 deg
tp 2458581.287147728013
(2019-Apr-07.78714773)
6.6993e-05 TDB
period 1262.207469240442
3.46
5.9525e-06
1.63e-08
d
yr
n .285214601222917 1.3451e-09 deg/d
Q 2.577392280103912 8.1033e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2593  
   data-arc span      9762 days (26.73 yr)  
   first obs. used      1993-05-14  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:11:21  

Additional Information
 Earth MOID = 1.00671 au 
 Jupiter MOID = 2.7247 au 
 T_jup = 3.585 
[ 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 14.5   n/a MPO452560  
diameter diameter 3.851 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.273   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27844 (1994 TG1)          Discovered 1994-Oct-02 by Endate, K., Watanabe, K. at Kitami
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 TG1 = 1993 JO = 1999 CR24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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