Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105917993868109 4.8095e-08  
a 2.221583429704435 7.4169e-09 au
q 1.986277769619508 1.0662e-07 au
i 4.574718875458757 4.6211e-06 deg
node 100.966606058516 5.5755e-05 deg
peri 295.6179914466599 5.9179e-05 deg
M 198.5454588117512 2.0116e-05 deg
tp 2458142.925542589317
(2018-Jan-24.42554259)
6.8099e-05 JED
period 1209.462390435177
3.31
6.0568e-06
1.658e-08
d
yr
n .2976529099598279 1.4906e-09 deg/d
Q 2.456889089789361 8.2025e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1788  
   data-arc span      30871 days (84.52 yr)  
   first obs. used      1931-10-10  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46976  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:38:08  

Additional Information
 Earth MOID = .997131 au 
 Jupiter MOID = 2.89867 au 
 T_jup = 3.638 
[ 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. 2016-February); 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]
[Behrend, R. (2015) 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. (2016) Astron. J. 150, A75.]

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-06 20:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin