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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 | 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214529541317264 2.9454e-08  
a 2.243478257914237 6.2974e-09 au
q 1.971001195960254 6.5538e-08 au
i 6.38059124371716 3.3274e-06 deg
node 69.51748818223159 3.452e-05 deg
peri 14.89049228010394 3.8562e-05 deg
M 102.9950710107626 1.6269e-05 deg
tp 2458849.347984861234
(2019-Dec-31.84798486)		 5.5498e-05 TDB
period 1227.386167215185
3.36		 5.1679e-06
1.415e-08		 d
yr
n .2933062222925354 1.235e-09 deg/d
Q 2.51595531986822 7.0622e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2613  
   data-arc span      29558 days (80.93 yr)  
   first obs. used      1940-04-03  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:52:49  

Additional Information
 Earth MOID = .987337 au 
 Jupiter MOID = 2.6778 au 
 T_jup = 3.615 
[ 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 12.64   n/a E2021B10  
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

[ show close-approach data ]
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 | Close-Approach Data ]
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