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2158 Tietjen (1933 OS)
Classification: Main-belt Asteroid          SPK-ID: 2002158
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813089506094621 2.1099e-08  
a 3.068204701883964 1.1717e-08 au
q 2.511911727130365 6.4138e-08 au
i 1.58549999537447 3.3262e-07 deg
node 187.28080709 1.4595e-05 deg
peri 101.5070229472897 1.5945e-05 deg
M 101.9935239855623 4.7844e-06 deg
tp 2458644.346057544495
(2019-Jun-09.84605754)
2.3997e-05 TDB
period 1963.020900349745
5.37
1.1245e-05
3.079e-08
d
yr
n .1833908135852552 1.0505e-09 deg/d
Q 3.624497676637562 1.3841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3462  
   data-arc span      32016 days (87.66 yr)  
   first obs. used      1933-07-24  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44373  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:00:59  

Additional Information
 Earth MOID = 1.49426 au 
 Jupiter MOID = 1.55858 au 
 T_jup = 3.206 
[ 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 11.76   n/a MPCxxxxx  
diameter diameter 22.658 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.066   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2158 Tietjen (1933 OS)          Discovered 1933-Jul-24 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1933 OS = 1928 SS = 1949 QR1 = 1955 RL1 = 1959 GX = 1961 VV = 1976 OG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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