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JPL Small-Body Database Browser
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17736 (1998 BA12)
Classification: Main-belt Asteroid          SPK-ID: 2017736
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09390986530878689 4.0054e-08  
a 2.611848874867968 1.2577e-08 au
q 2.36657049882221 1.0534e-07 au
i 5.35945856472583 4.4663e-06 deg
node 291.3380922023865 4.9118e-05 deg
peri 316.7210297985456 5.5204e-05 deg
M 243.771771234793 2.7079e-05 deg
tp 2459098.271024271820
(2020-Sep-05.77102427)
0.00011693 TDB
period 1541.773204682081
4.22
1.1136e-05
3.049e-08
d
yr
n .2334973775045164 1.6866e-09 deg/d
Q 2.857127250913726 1.3758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1751  
   data-arc span      12734 days (34.86 yr)  
   first obs. used      1984-12-23  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51574  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 23:44:44  

Additional Information
 Earth MOID = 1.35564 au 
 Jupiter MOID = 2.19083 au 
 T_jup = 3.397 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO365465  
diameter diameter 8.588 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.04 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.105   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17736 (1998 BA12)          Discovered 1998-Jan-23 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BA12 = 1984 YZ1 = 1999 JZ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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