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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109664634394807 5.9896e-08  
a 2.236861836627376 9.8746e-09 au
q 1.991557201121938 1.3707e-07 au
i 5.380573719139005 6.2265e-06 deg
node 295.7245412066104 5.291e-05 deg
peri 173.8982973926168 6.0342e-05 deg
M 77.25096916911487 2.6726e-05 deg
tp 2457138.284353391401
(2015-Apr-25.78435339)
9.0728e-05 JED
period 1221.960498287652
3.35
8.0915e-06
2.215e-08
d
yr
n .2946085413599476 1.9508e-09 deg/d
Q 2.482166472132813 1.0958e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1343  
   data-arc span      22028 days (60.31 yr)  
   first obs. used      1954-12-06  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46265  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:21:13  

Additional Information
 Earth MOID = 1.00818 au 
 Jupiter MOID = 2.61697 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 13.3 mag n/a MPO332853  
rotation period rot_per 2.80483 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 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]
[Polishook, D. (2014) Icarus 241, 79-96.]

3749 Balam (1982 BG1)          Discovered 1982-Jan-24 by Bowell, E. at Flagstaff (AM)
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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