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74888 (1999 TG115)
Classification: Main-belt Asteroid          SPK-ID: 2074888
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761658090073115 3.9217e-08  
a 2.393163284221214 9.4712e-09 au
q 1.971569738169789 9.2846e-08 au
i 4.058743028653194 4.4814e-06 deg
node 285.0813522861199 5.7346e-05 deg
peri 171.7848269459906 5.8698e-05 deg
M 36.61511320559133 1.1569e-05 deg
tp 2458462.964502016408
(2018-Dec-10.46450202)
4.3309e-05 TDB
period 1352.249793577926
3.70
8.0275e-06
2.198e-08
d
yr
n .2662230023696095 1.5804e-09 deg/d
Q 2.814756830272638 1.114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      8060 days (22.07 yr)  
   first obs. used      1997-03-09  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:16:37  

Additional Information
 Earth MOID = .988605 au 
 Jupiter MOID = 2.35405 au 
 T_jup = 3.506 
[ 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 15.8   n/a MPO432302  
diameter diameter 3.930 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74888 (1999 TG115)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TG115 = 1997 EH41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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