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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 60 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089878800875782 3.2136e-08  
a 2.237802377486691 6.9806e-09 au
q 1.993909040309474 7.1992e-08 au
i 5.382058117428889 3.6897e-06 deg
node 295.6884359420933 4.629e-05 deg
peri 174.172678099615 5.1472e-05 deg
M 188.350313506905 2.2647e-05 deg
tp 2459583.504003433590
(2022-Jan-04.00400343)
7.7968e-05 TDB
period 1222.731282090255
3.35
5.7212e-06
1.566e-08
d
yr
n .2944228263994205 1.3776e-09 deg/d
Q 2.481695714663908 7.7414e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2379  
   data-arc span      23608 days (64.64 yr)  
   first obs. used      1954-12-06  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:54:57  

Additional Information
 Earth MOID = 1.01067 au 
 Jupiter MOID = 2.60947 au 
 T_jup = 3.623 
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Orbital Elements at Epoch 2456565.5 (2013-Sep-30.0) TDB
Reference: JPL 60 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091788248109022 3.2165e-08  
q 1.992831782517359 7.2094e-08 au
tp 2457138.378798639493
(2015-Apr-25.87879864)
7.3694e-05 TDB
node 295.7411531825294 4.6299e-05 deg
peri 173.9053626394209 5.1441e-05 deg
i 5.382203872309356 3.6893e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2379  
   data-arc span      23608 days (64.64 yr)  
   first obs. used      1954-12-06  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:54:57  

Additional Information
 Jupiter MOID = 2.60947 au 
 T_jup = 3.623 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.034565424066114E-15 -2.310368004893557E-15 1.528366745995995E-13 3.566960665718753E-15 5.069885525927872E-14 1.695718782319917E-16
q -2.310368004893557E-15 5.19750553964037E-15 -2.127723039246439E-13 -7.314419273403878E-15 -8.090877658304906E-14 -2.579805689185057E-16
tp 1.528366745995995E-13 -2.127723039246439E-13 5.430847487058017E-9 -4.645475674957068E-12 1.668533207572703E-9 1.303612185611536E-12
node 3.566960665718753E-15 -7.314419273403878E-15 -4.645475674957068E-12 2.143608226783012E-9 -2.135131218935156E-9 1.120268152852965E-11
peri 5.069885525927872E-14 -8.090877658304906E-14 1.668533207572703E-9 -2.135131218935156E-9 2.646167103608102E-9 -1.078317270083125E-11
i 1.695718782319917E-16 -2.579805689185057E-16 1.303612185611536E-12 1.120268152852965E-11 -1.078317270083125E-11 1.361075383704011E-11

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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