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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723141404780268 3.3641e-08  
a 2.234402123266047 5.3548e-09 au
q 1.84938304191318 7.5763e-08 au
i 4.7497455533867 3.5608e-06 deg
node 169.2126260846313 3.7923e-05 deg
peri 213.9984824752908 3.9095e-05 deg
M 58.68178523494107 8.5813e-06 deg
tp 2458801.642833547245
(2019-Nov-14.14283355)
2.9167e-05 TDB
period 1219.945501596048
3.34
4.3854e-06
1.201e-08
d
yr
n .2950951493562736 1.0608e-09 deg/d
Q 2.619421204618914 6.2775e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2559  
   data-arc span      29310 days (80.25 yr)  
   first obs. used      1939-11-06  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47829  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:11:00  

Additional Information
 Earth MOID = .854518 au 
 Jupiter MOID = 2.83687 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-August); 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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