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3099 Hergenrother (1940 GF)
Classification: Main-belt Asteroid          SPK-ID: 2003099
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2012680460504274 6.7579e-08  
a 2.87909821372931 1.9823e-08 au
q 2.299627741864736 1.883e-07 au
i 15.48720253321071 5.3201e-06 deg
node 31.0214661091612 1.7919e-05 deg
peri 148.289714905732 2.0961e-05 deg
M 151.242177264028 1.0376e-05 deg
tp 2458250.858593204856
(2018-May-12.35859320)
5.3415e-05 TDB
period 1784.362744098362
4.89
1.8428e-05
5.045e-08
d
yr
n .2017526992147037 2.0836e-09 deg/d
Q 3.458568685593884 2.3812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2962  
   data-arc span      29073 days (79.60 yr)  
   first obs. used      1940-04-03  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .31621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:38:22  

Additional Information
 Earth MOID = 1.31484 au 
 Jupiter MOID = 1.54039 au 
 T_jup = 3.212 
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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 11.4   n/a MPO350825  
diameter diameter 14.732 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 25.58 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
geometric albedo albedo 0.224   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3099 Hergenrother (1940 GF)          Discovered 1940-Apr-03 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1940 GF = 1969 EF1 = 1972 VV = 1979 KE = 1980 NT = 1984 HB = 1984 JG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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