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2512 Tavastia (1940 GG)
Classification: Main-belt Asteroid          SPK-ID: 2002512
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214512770986404 2.9403e-08  
a 2.243295990367253 5.7453e-09 au
q 1.970844827426891 6.5245e-08 au
i 6.380732741465776 3.3153e-06 deg
node 69.51661750206077 2.8876e-05 deg
peri 14.83341967357041 3.2028e-05 deg
M 160.5556533207485 1.4233e-05 deg
tp 2458849.167296452315
(2019-Dec-31.66729645)
4.8024e-05 TDB
period 1227.236594924081
3.36
4.7146e-06
1.291e-08
d
yr
n .2933419696650018 1.1269e-09 deg/d
Q 2.515747153307615 6.4431e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2867  
   data-arc span      29669 days (81.23 yr)  
   first obs. used      1940-04-03  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41829  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 21:44:14  

Additional Information
 Earth MOID = .987479 au 
 Jupiter MOID = 2.67833 au 
 T_jup = 3.615 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.66   n/a MPO614063  
diameter diameter 7.548 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.296 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Simpson, G.; Chong, E.; Gerhardt, M.; Gorsky, S.; et al. (2013) Minor Planet Bull. 146-151.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.352   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2512 Tavastia (1940 GG)          Discovered 1940-Apr-03 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1940 GG = 1943 DN = 1965 UC2 = 1965 VF = 1965 WY = 1970 ER = 1972 XC1 = 1975 VP2 = 1977 FW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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