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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170810298791986 3.8131e-08  
a 2.402416752963583 9.825e-09 au
q 2.121139325327567 9.5519e-08 au
i 7.014297340835223 4.626e-06 deg
node 276.897400789457 3.2631e-05 deg
peri 116.5386303568649 3.8543e-05 deg
M 269.6436069851106 2.0941e-05 deg
tp 2459341.871557351253
(2021-May-07.37155735)
7.9818e-05 TDB
period 1360.100337628573
3.72
8.3435e-06
2.284e-08
d
yr
n .2646863544109431 1.6237e-09 deg/d
Q 2.6836941805996 1.0975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      8992 days (24.62 yr)  
   first obs. used      1995-12-18  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:35:33  

Additional Information
 Earth MOID = 1.13891 au 
 Jupiter MOID = 2.71436 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457573.5 (2016-Jul-04.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1182576173697185 3.8154e-08  
q 2.116745318072552 9.5605e-08 au
tp 2457983.794692284679
(2017-Aug-18.29469228)
7.6456e-05 TDB
node 276.9134385050178 3.2648e-05 deg
peri 116.8943565091489 3.8438e-05 deg
i 7.014217940895239 4.6254e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      8992 days (24.62 yr)  
   first obs. used      1995-12-18  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:35:33  

Additional Information
 Jupiter MOID = 2.71436 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.455706442455913E-15 -3.635487942357128E-15 -3.659104228247606E-13 5.478960099631527E-16 -7.432426442226133E-14 9.736291500553597E-16
q -3.635487942357128E-15 9.140246254993629E-15 1.032576396823612E-12 -1.720290772907064E-15 2.123319248077928E-13 -2.159812030548531E-15
tp -3.659104228247606E-13 1.032576396823612E-12 5.845481443398468E-9 -1.117376633850196E-11 1.56233575360328E-9 -2.851482004985189E-12
node 5.478960099631527E-16 -1.720290772907064E-15 -1.117376633850196E-11 1.065895262155282E-9 -1.060709782280607E-9 2.126089077111005E-11
peri -7.432426442226133E-14 2.123319248077928E-13 1.56233575360328E-9 -1.060709782280607E-9 1.477461296397458E-9 -2.18459644918922E-11
i 9.736291500553597E-16 -2.159812030548531E-15 -2.851482004985189E-12 2.126089077111005E-11 -2.18459644918922E-11 2.139435043801669E-11

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  

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 22 CATAB v2.0f-lin.ifort 2020-Aug-25 04:35:45 2020-Aug-25 04:35
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 22 CATAB v2.0f-lin.ifort 2020-Aug-25 04:35:45 2020-Aug-25 04:35
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 22 CATAB v2.0f-lin.ifort 2020-Aug-25 04:35:45 2020-Aug-25 04:35

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