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2195 Tengstrom (1941 SP1)
Classification: Main-belt Asteroid          SPK-ID: 2002195
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055492392676349 4.83e-08  
a 2.222307403973551 7.8348e-09 au
q 1.98774454806531 1.0726e-07 au
i 4.574483438802543 5.343e-06 deg
node 100.9806865697651 5.608e-05 deg
peri 295.6225321848387 6.0644e-05 deg
M 139.0154598798348 2.2303e-05 deg
tp 2456933.232875317273
(2014-Oct-02.73287532)
7.5017e-05 JED
period 1210.053651811015
3.31
6.3991e-06
1.752e-08
d
yr
n .2975074695747659 1.5733e-09 deg/d
Q 2.456870259881792 8.6618e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1579  
   data-arc span      30730 days (84.13 yr)  
   first obs. used      1931-10-10  
   last obs. used      2015-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49035  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:42:31  

Additional Information
 Earth MOID = .998643 au 
 Jupiter MOID = 2.89921 au 
 T_jup = 3.637 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4 mag n/a MPO337265  
rotation period rot_per 2.82112 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Higgins, D.; Pravec, P.; Kusnirak, P.; Galad, A.; et al. (2006) Minor Planet Bul. 33, 89-91.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/astero id/lightcurves.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

2195 Tengstrom (1941 SP1)          Discovered 1941-Sep-27 by Oterma, L. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1941 SP1 = 1931 TC3 = 1934 PQ = 1936 DF = 1943 GT = 1944 QD = 1951 VA = 1973 GC1 = 1974 RC2 = 1976 GO4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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