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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2062254486894058 2.8142e-08  
a 2.550549132028224 1.0241e-08 au
q 2.024560992871329 6.9559e-08 au
i 5.80494825101321 3.0564e-06 deg
node 159.9156722494718 5.2856e-05 deg
peri 338.7214554157163 5.4495e-05 deg
M 76.01670985196125 1.4727e-05 deg
tp 2458686.336638239619
(2019-Jul-21.83663824)
6.042e-05 TDB
period 1487.81511925459
4.07
8.9609e-06
2.453e-08
d
yr
n .2419655475610193 1.4573e-09 deg/d
Q 3.076537271185118 1.2353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      10773 days (29.49 yr)  
   first obs. used      1991-03-11  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49664  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:38  

Additional Information
 Earth MOID = 1.03902 au 
 Jupiter MOID = 1.95867 au 
 T_jup = 3.403 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457572.5 (2016-Jul-03.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2070756293312662 2.8131e-08  
q 2.021839621705187 6.9612e-08 au
tp 2457198.773808718034
(2015-Jun-25.27380872)
5.8802e-05 TDB
node 159.9300567079026 5.2855e-05 deg
peri 338.7070981034017 5.4481e-05 deg
i 5.805738187068117 3.057e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      10773 days (29.49 yr)  
   first obs. used      1991-03-11  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49664  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:38  

Additional Information
 Jupiter MOID = 1.95867 au 
 T_jup = 3.403 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.91350136173192E-16 -1.946237412155472E-15 -4.159601574664267E-13 -3.005124687983409E-15 -1.06875051709097E-13 2.145409609920668E-16
q -1.946237412155472E-15 4.845787333969983E-15 1.095563896550593E-12 9.537121042438486E-15 2.819781098956829E-13 -5.253674814314792E-16
tp -4.159601574664267E-13 1.095563896550593E-12 3.457675081492543E-9 3.413585192735335E-11 8.234650819391795E-10 -1.21154138725596E-12
node -3.005124687983409E-15 9.537121042438486E-15 3.413585192735335E-11 2.793601970126467E-9 -2.770802250861048E-9 3.238238163036762E-11
peri -1.06875051709097E-13 2.819781098956829E-13 8.234650819391795E-10 -2.770802250861048E-9 2.968131226020363E-9 -3.25254354516691E-11
i 2.145409609920668E-16 -5.253674814314792E-16 -1.21154138725596E-12 3.238238163036762E-11 -3.25254354516691E-11 9.345236535815948E-12

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 15.1   n/a MPO325163  
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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