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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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109319974365226 6.9987e-08  
a 2.236539248962513 1.063e-08 AU
q 1.99204083559911 1.5715e-07 AU
i 5.382339008398458 7.5774e-06 deg
node 295.7397859882203 5.6973e-05 deg
peri 174.0352851861824 6.4174e-05 deg
M 319.2834643348959 2.7745e-05 deg
tp 2457138.675654817189
(2015-Apr-26.17565482)
9.4243e-05 JED
period 1221.696171386709
3.34
8.7102e-06
2.385e-08
d
yr
n .2946722830369317 2.1009e-09 deg/d
Q 2.481037662325917 1.1792e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      21880 days (59.90 yr)  
   first obs. used      1954-12-06  
   last obs. used      2014-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48398  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:54:07  

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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