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13651 (1997 BR)
Classification: Apollo [NEO, PHA]          SPK-ID: 2013651
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 149 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3056807610469479 3.0438e-08  
a 1.335472721290494 8.156e-10 au
q .9272444034889776 4.0513e-08 au
i 17.2485708991244 5.7326e-06 deg
node 116.66361329 1.133e-05 deg
peri 133.8156492986814 1.4287e-05 deg
M 88.63460015504866 9.4867e-06 deg
tp 2459061.712054102289
(2020-Jul-31.21205410)
1.4758e-05 TDB
period 563.7037955355389
1.54
5.1639e-07
1.414e-09
d
yr
n .6386332730968878 5.8504e-10 deg/d
Q 1.743701039092011 1.0649e-09 au
  Orbit Determination Parameters
   # obs. used (total)      963  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      14627 days (40.05 yr)  
   first obs. used      1980-02-09  
   last obs. used      2020-02-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52495  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:04:24  

Additional Information
 Earth MOID = .0157546 au 
 Jupiter MOID = 3.36543 au 
 T_jup = 4.818 
[ 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 17.81   n/a E2021B10  
diameter diameter 0.562 km 0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 33.644 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
[Pravec, P.; et al. (2005) Icarus 173, 108-131.]
geometric albedo albedo 0.511   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

13651 (1997 BR)          Discovered 1997-Jan-20 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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