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101573 (1999 BQ)
Classification: Main-belt Asteroid          SPK-ID: 2101573
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01457758278837362 7.3883e-08  
a 2.48369619285064 1.1587e-08 au
q 2.447489905978191 1.8109e-07 au
i 8.00979589895744 4.1295e-06 deg
node 294.1304348080771 3.2566e-05 deg
peri 225.9893282378084 0.00017015 deg
M 170.9968955458286 0.00016562 deg
tp 2458521.402925849027
(2019-Feb-06.90292585)
0.00065673 TDB
period 1429.704006695426
3.91
1.0005e-05
2.739e-08
d
yr
n .251800371485349 1.7621e-09 deg/d
Q 2.519902479723088 1.1756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      9442 days (25.85 yr)  
   first obs. used      1995-01-02  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:27  

Additional Information
 Earth MOID = 1.46466 au 
 Jupiter MOID = 2.4982 au 
 T_jup = 3.463 
[ 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 15.02   n/a E2021B55  
diameter diameter 3.735 km 0.286 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 94.3945 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.167   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101573 (1999 BQ)          Discovered 1999-Jan-16 by Korlevic, K. at Visnjan
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 BQ = 1995 AL4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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