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101593 (1999 BU25)
Classification: Main-belt Asteroid          SPK-ID: 2101593
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059704124794113 2.7569e-08  
a 2.551944267461087 1.0095e-08 au
q 2.026319254067658 6.8251e-08 au
i 5.805653879896613 3.0151e-06 deg
node 159.8908800024963 5.2781e-05 deg
peri 338.8952967278943 5.4428e-05 deg
M 124.2413357982741 1.4775e-05 deg
tp 2458686.611597644420
(2019-Jul-22.11159764)
6.038e-05 TDB
period 1489.036025404509
4.08
8.8359e-06
2.419e-08
d
yr
n .2417671526128477 1.4346e-09 deg/d
Q 3.077569280854517 1.2175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1177  
   data-arc span      10773 days (29.49 yr)  
   first obs. used      1991-03-11  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:33  

Additional Information
 Earth MOID = 1.04062 au 
 Jupiter MOID = 1.9565 au 
 T_jup = 3.403 
[ 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 15.22   n/a E2021B55  
rotation period rot_per 19.2078 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.]

101593 (1999 BU25)          Discovered 1999-Jan-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 BU25 = 1991 ED3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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