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48680 (1996 BU)
Classification: Main-belt Asteroid          SPK-ID: 2048680
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 .117081023637483 3.66e-08  
a 2.402416752286646 9.7802e-09 au
q 2.121139339725088 9.2222e-08 au
i 7.014298378303927 4.4617e-06 deg
node 276.8973942611846 3.1478e-05 deg
peri 116.538636006647 3.7661e-05 deg
M 269.64360843649 2.0872e-05 deg
tp 2459341.871551723576
(2021-May-07.37155172)
7.9544e-05 TDB
period 1360.100337053713
3.72
8.3054e-06
2.274e-08
d
yr
n .2646863545228155 1.6163e-09 deg/d
Q 2.683694164848204 1.0925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1093  
   data-arc span      9087 days (24.88 yr)  
   first obs. used      1995-12-18  
   last obs. used      2020-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:49:55  

Additional Information
 Earth MOID = 1.13891 au 
 Jupiter MOID = 2.71436 au 
 T_jup = 3.505 
[ 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 15.1   n/a MPO436123  
rotation period rot_per 114.97 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.]

48680 (1996 BU)          Discovered 1996-Jan-17 by Endate, K., Watanabe, K. at Kitami
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2009-Jun-18 23:25 00:01 Thisb 0.0497796792598423 0.0497786753222809 0.0497806831974123 2.55333549022614 2.55333543658293 2455001.475983541 1.29975839314709 61.6511140317315 49.9853562326125 -89.7380571725688 148778.931410487 T 24 CATAB v2.0f-lin.ifort 2020-Dec-18 03:49:58 2020-Dec-18 03:49
2046-Aug-19 18:05 < 00:01 Iris 0.0346709980105027 0.0346669777391279 0.0346750187703979 2.2014302562829 2.20143018096438 2468577.253687812 0.894654029522593 291.509334565782 52.2795867751105 -47.6863582181235 74201.3775618582 T 24 CATAB v2.0f-lin.ifort 2020-Dec-18 03:49:58 2020-Dec-18 03:49
2106-Mar-18 00:00 00:09 Thisb 0.0483956103634491 0.0483896539378261 0.0484015694773937 2.49816745552642 2.49816739913056 2490336.499854967 8.98663509793745 648.612106409859 52.6183761133028 63.1772440238392 122716.507429522 T 24 CATAB v2.0f-lin.ifort 2020-Dec-18 03:49:58 2020-Dec-18 03:49

Alternate Designations
 1996 BU = 1998 QX88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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