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4102 Gergana (1988 TE3)
Classification: Main-belt Asteroid          SPK-ID: 2004102
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06870134716583821 3.2611e-08  
a 3.017485621263225 1.4451e-08 au
q 2.810180294028895 1.0428e-07 au
i 9.593622579167835 4.1411e-06 deg
node 184.78732964824 1.9468e-05 deg
peri 284.5551972802206 3.8285e-05 deg
M 322.7217140485055 3.171e-05 deg
tp 2459398.752957799776
(2021-Jul-03.25295780)
0.00016841 TDB
period 1914.547919418441
5.24
1.3754e-05
3.766e-08
d
yr
n .1880339459507249 1.3508e-09 deg/d
Q 3.224790948497555 1.5444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2467  
   data-arc span      32079 days (87.83 yr)  
   first obs. used      1933-03-22  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44852  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:15:24  

Additional Information
 Earth MOID = 1.84589 au 
 Jupiter MOID = 1.87956 au 
 T_jup = 3.223 
[ 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 12.26   n/a E2020-QM5  
diameter diameter 12.040 km 0.835 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.176   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4102 Gergana           Discovered 1988 Oct. 15 by V. Ivanova at Rozhen Observatory.
Gergana Georgieva Gelkova (b. 2000) is the adorable grandniece of the discoverer. The name also honors the discoverer's parents, combining their first names Georgy and Ana.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040306/MPCPages.arcLast Updated: 2004-03-08

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Alternate Designations
 1988 TE3 = 1933 FO = 1949 GD = 1970 GZ1 = 1980 FS9 = 1983 UE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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