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JPL Small-Body Database Browser
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2031 BAM (1969 TG2)
Classification: Main-belt Asteroid          SPK-ID: 2002031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721656056367 3.4206e-08  
a 2.234210543380843 6.4128e-09 au
q 1.84955633205978 7.663e-08 au
i 4.749743518401268 3.7941e-06 deg
node 169.2180629417395 4.5038e-05 deg
peri 213.9521827869133 4.6484e-05 deg
M 300.6651254688633 1.3153e-05 deg
tp 2458801.544455242346
(2019-Nov-14.04445524)
4.4853e-05 TDB
period 1219.788605927944
3.34
5.2517e-06
1.438e-08
d
yr
n .2951331060566293 1.2707e-09 deg/d
Q 2.618864754701907 7.5169e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2251  
   data-arc span      29135 days (79.77 yr)  
   first obs. used      1939-11-06  
   last obs. used      2019-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49873  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:21:50  

Additional Information
 Earth MOID = .853919 au 
 Jupiter MOID = 2.83483 au 
 T_jup = 3.615 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9   n/a MPO298972  
rotation period rot_per 10.774 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

2031 BAM (1969 TG2)          Discovered 1969-Oct-08 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1969 TG2 = 1939 VB = 1959 TW = 1972 NQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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