Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
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 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214512771251738 2.9402e-08  
a 2.243295990440158 5.7359e-09 au
q 1.970844827431419 6.5244e-08 au
i 6.380732746037131 3.3141e-06 deg
node 69.51661733486807 2.8679e-05 deg
peri 14.83341950616975 3.1816e-05 deg
M 160.5556535729263 1.419e-05 deg
tp 2458849.167295565961
(2019-Dec-31.66729557)
4.7864e-05 TDB
period 1227.236594983908
3.36
4.7069e-06
1.289e-08
d
yr
n .2933419696507018 1.1251e-09 deg/d
Q 2.515747153448897 6.4325e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2910  
   data-arc span      29713 days (81.35 yr)  
   first obs. used      1940-04-03  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:45:15  

Additional Information
 Earth MOID = .987479 au 
 Jupiter MOID = 2.67833 au 
 T_jup = 3.615 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457207.5 (2015-Jul-04.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205694515422403 2.9319e-08  
q 1.973549850811655 6.5021e-08 au
tp 2457621.079206983917
(2016-Aug-20.57920698)
4.7623e-05 TDB
node 69.54802808733797 2.8698e-05 deg
peri 14.75930636956118 3.1893e-05 deg
i 6.378311878487551 3.3124e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2910  
   data-arc span      29713 days (81.35 yr)  
   first obs. used      1940-04-03  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:45:15  

Additional Information
 Jupiter MOID = 2.67833 au 
 T_jup = 3.615 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.596268368854927E-16 -1.90079367101169E-15 -1.18642493819306E-13 1.893984169219037E-15 -5.575710536411605E-14 -7.76310657073233E-16
q -1.90079367101169E-15 4.227769413568961E-15 2.951728992013175E-13 -4.542430513193232E-15 1.304915629646381E-13 1.772180521337742E-15
tp -1.18642493819306E-13 2.951728992013175E-13 2.267922578679143E-9 5.078544509894299E-13 6.704482282784703E-10 -8.132468224440959E-13
node 1.893984169219037E-15 -4.542430513193232E-15 5.078544509894299E-13 8.235747391611113E-10 -8.179579106891247E-10 -1.318742489102263E-11
peri -5.575710536411605E-14 1.304915629646381E-13 6.704482282784703E-10 -8.179579106891247E-10 1.017177610189902E-9 1.288625718442769E-11
i -7.76310657073233E-16 1.772180521337742E-15 -8.132468224440959E-13 -1.318742489102263E-11 1.288625718442769E-11 1.097181569520469E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.68   n/a MPO636100  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 18:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin