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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10932762129686 1.2445e-08  
a 2.236693116147719 5.9774e-09 au
q 1.992160778188228 2.855e-08 au
i 5.381956460669262 1.3082e-06 deg
node 295.6867916877214 1.1463e-05 deg
peri 174.4192761029673 1.7058e-05 deg
M 246.9862248125778 1.0192e-05 deg
tp 2459584.063179868060
(2022-Jan-04.56317987)
3.5461e-05 TDB
period 1221.822247097798
3.35
4.8978e-06
1.341e-08
d
yr
n .2946418767992728 1.1811e-09 deg/d
Q 2.481225454107211 6.6308e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3023  
   data-arc span      24151 days (66.12 yr)  
   first obs. used      1954-12-06  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41524  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:30:19  

Additional Information
 Earth MOID = 1.00878 au 
 Jupiter MOID = 2.60891 au 
 T_jup = 3.624 
[ 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 13.41   n/a MPCxxxxx  
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. 2020-October); 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]
[Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.]
[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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