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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275831940495675 4.2938e-08  
a 2.286162203881107 7.7815e-09 au
q 1.994486327794557 1.0043e-07 au
i 5.518189296873129 4.9923e-06 deg
node 47.54392700665372 4.4014e-05 deg
peri 12.27032492660815 4.7859e-05 deg
M 5.393153368049921 1.9347e-05 deg
tp 2458581.585308707542
(2019-Apr-08.08530871)
6.7814e-05 TDB
period 1262.580238423111
3.46
6.4463e-06
1.765e-08
d
yr
n .2851303933361249 1.4558e-09 deg/d
Q 2.577838079967657 8.7743e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2490  
   data-arc span      9690 days (26.53 yr)  
   first obs. used      1993-05-14  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:08:36  

Additional Information
 Earth MOID = 1.00681 au 
 Jupiter MOID = 2.72437 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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