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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089878774344544 3.2017e-08  
a 2.237802376116459 6.8031e-09 au
q 1.993909045025747 7.183e-08 au
i 5.38205827538235 3.6832e-06 deg
node 295.6883972688061 3.8517e-05 deg
peri 174.1727266503654 4.307e-05 deg
M 188.3503053808156 2.0583e-05 deg
tp 2459583.504030498185
(2022-Jan-04.00403050)
7.1333e-05 TDB
period 1222.731280967216
3.35
5.5758e-06
1.527e-08
d
yr
n .2944228266698383 1.3426e-09 deg/d
Q 2.48169570720717 7.5446e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2599  
   data-arc span      23985 days (65.67 yr)  
   first obs. used      1954-12-06  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:07:24  

Additional Information
 Earth MOID = 1.01067 au 
 Jupiter MOID = 2.60947 au 
 T_jup = 3.623 
[ 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 13.4   n/a MPO473817  
diameter diameter 4.663 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.80483 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Marchis, F.; Pollock, J.; Pravec, P.; Maek, M.; et al. (2008) CBET 1297.]
[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.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
[Troianskyi, V.; Kashuba, V.; Krugly, Yu. (2019) Minor Planet Bull. 46, 109-111.]
geometric albedo albedo 0.355   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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