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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167013195761627 3.6434e-08  
a 2.401217740271879 9.7379e-09 au
q 2.12099246139246 9.1727e-08 au
i 7.013035937146295 4.3848e-06 deg
node 276.8891027737516 3.1489e-05 deg
peri 116.7254099019974 3.7585e-05 deg
M 322.3941257994607 2.0891e-05 deg
tp 2459342.470767424798
(2021-May-07.97076742)
7.916e-05 TDB
period 1359.082254021753
3.72
8.2674e-06
2.263e-08
d
yr
n .2648846300028562 1.6113e-09 deg/d
Q 2.681443019151299 1.0874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1126  
   data-arc span      9164 days (25.09 yr)  
   first obs. used      1995-12-18  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:10:55  

Additional Information
 Earth MOID = 1.1377 au 
 Jupiter MOID = 2.71555 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457780.5 (2017-Jan-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1182647770774051 3.6475e-08  
q 2.116975288772641 9.1946e-08 au
tp 2457983.627932936559
(2017-Aug-18.12793294)
7.5487e-05 TDB
node 276.911719017433 3.149e-05 deg
peri 116.8386572651893 3.7414e-05 deg
i 7.013684699937443 4.384e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1126  
   data-arc span      9164 days (25.09 yr)  
   first obs. used      1995-12-18  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:10:55  

Additional Information
 Jupiter MOID = 2.71555 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.330419392698076E-15 -3.342329711980765E-15 -4.528277897703946E-13 2.307562085937634E-15 -9.129053998483953E-14 6.888492090828978E-16
q -3.342329711980765E-15 8.454023181861848E-15 1.239774227445693E-12 -6.504505726376309E-15 2.540979786673973E-13 -1.421334862710893E-15
tp -4.528277897703946E-13 1.239774227445693E-12 5.698306985106411E-9 -2.373038377588374E-11 1.536464238320096E-9 -9.2337148755375E-13
node 2.307562085937634E-15 -6.504505726376309E-15 -2.373038377588374E-11 9.916379154446826E-10 -9.902250012870813E-10 3.074055686992664E-11
peri -9.129053998483953E-14 2.540979786673973E-13 1.536464238320096E-9 -9.902250012870813E-10 1.399805152378282E-9 -3.075510744680166E-11
i 6.888492090828978E-16 -1.421334862710893E-15 -9.2337148755375E-13 3.074055686992664E-11 -3.075510744680166E-11 1.921931771271529E-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 15.13   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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Alternate Designations
 1996 BU = 1998 QX88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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