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3749 Balam (1982 BG1)
Classification: Main-belt Asteroid          SPK-ID: 2003749
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093199442053269 6.1257e-08  
a 2.236539245550968 9.8815e-09 AU
q 1.992040900014313 1.3957e-07 AU
i 5.38233792329077 6.447e-06 deg
node 295.7397805630138 5.4547e-05 deg
peri 174.0352881901719 6.1847e-05 deg
M 319.2834695534526 2.7087e-05 deg
tp 2457138.675636791340
(2015-Apr-26.17563679)
9.1931e-05 JED
period 1221.696168591405
3.34
8.0966e-06
2.217e-08
d
yr
n .294672283711157 1.9529e-09 deg/d
Q 2.481037591087624 1.0962e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1145  
   data-arc span      21934 days (60.05 yr)  
   first obs. used      1954-12-06  
   last obs. used      2014-12-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4796  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:03:49  

Additional Information
 Earth MOID = 1.00874 AU 
 T_jup = 3.624 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO313449  
rotation period rot_per 2.80483 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Incomplete or inconclusive result.
Published Reference List:
[Marchis, F.; Pollock, J.; Pravec, P.; Maek, M.; et al. (2008) CBET 1279.]
[Polishook, D.; Brosch, N.; Prialnik, D. (2011) Icarus 212, 167-174.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]

3749 Balam (1982 BG1)          Discovered 1982-Jan-24 by Bowell, E. at Flagstaff (AM) (688)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 BG1 = 1954 XM = 1962 ED = 1974 YO 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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