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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167013134992461 3.6565e-08  
a 2.40121774657575 9.7505e-09 au
q 2.120992481552661 9.2062e-08 au
i 7.013036511085488 4.4441e-06 deg
node 276.8891037623321 3.1492e-05 deg
peri 116.7254089325136 3.7706e-05 deg
M 322.3941248144089 2.1033e-05 deg
tp 2459342.470771702664
(2021-May-07.97077170)
7.9687e-05 TDB
period 1359.082259373712
3.72
8.2781e-06
2.266e-08
d
yr
n .2648846289597614 1.6134e-09 deg/d
Q 2.68144301159884 1.0888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      9164 days (25.09 yr)  
   first obs. used      1995-12-18  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:57:19  

Additional Information
 Earth MOID = 1.1377 au 
 Jupiter MOID = 2.71555 au 
 T_jup = 3.506 
[ 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 15.13   n/a E2021B10  
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

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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 26 CATAB v2.0f-lin.ifort 2021-Feb-24 04:57:22 2021-Feb-24 04:57
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 26 CATAB v2.0f-lin.ifort 2021-Feb-24 04:57:22 2021-Feb-24 04:57
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 26 CATAB v2.0f-lin.ifort 2021-Feb-24 04:57:22 2021-Feb-24 04:57

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