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27859 (1995 BB2)
Classification: Main-belt Asteroid          SPK-ID: 2027859
[ 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 .08589312853994581 3.6997e-08  
a 2.644169183698194 1.3316e-08 au
q 2.417053220121441 9.8991e-08 au
i 11.41171784578186 4.4775e-06 deg
node 313.1843456001043 1.8746e-05 deg
peri 165.5431340352562 3.1071e-05 deg
M 9.154473015736965 2.4225e-05 deg
tp 2459160.564131451224
(2020-Nov-07.06413145)		 0.00010569 TDB
period 1570.479551673221
4.30		 1.1864e-05
3.248e-08		 d
yr
n .2292293456584319 1.7316e-09 deg/d
Q 2.871285147274946 1.446e-08 au
   Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      9487 days (25.97 yr)  
   first obs. used      1995-01-29  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:27:04  

Additional Information
 Earth MOID = 1.43422 au 
 Jupiter MOID = 2.19577 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457384.5 (2015-Dec-28.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08437615751269159 3.7231e-08  
q 2.420543913289909 9.9484e-08 au
tp 2457592.584971924533
(2016-Jul-23.08497192)		 0.00010854 TDB
node 313.2908009107376 1.8737e-05 deg
peri 165.9799875676875 3.1383e-05 deg
i 11.41400004545284 4.4795e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      9487 days (25.97 yr)  
   first obs. used      1995-01-29  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:27:04  

Additional Information
 Jupiter MOID = 2.19577 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.386120890678193E-15 -3.675935945737513E-15 1.308488109787338E-12 -3.197842677157902E-15 3.287309655235888E-13 -7.441079239541848E-16
q -3.675935945737513E-15 9.897137584446585E-15 -3.654350282682072E-12 8.004413122688643E-15 -9.202430280259352E-13 2.486558582199855E-15
tp 1.308488109787338E-12 -3.654350282682072E-12 1.17815760273289E-8 2.952257401301636E-12 2.745298731844494E-9 5.188290622986547E-12
node -3.197842677157902E-15 8.004413122688643E-15 2.952257401301636E-12 3.510576559063912E-10 -3.430834610687104E-10 2.067068016467225E-11
peri 3.287309655235888E-13 -9.202430280259352E-13 2.745298731844494E-9 -3.430834610687104E-10 9.848619798090172E-10 -1.906423312311311E-11
i -7.441079239541848E-16 2.486558582199855E-15 5.188290622986547E-12 2.067068016467225E-11 -1.906423312311311E-11 2.006626847073907E-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 14.8   n/a MPO502366  

27859 (1995 BB2)          Discovered 1995-Jan-29 by Kobayashi, T. at Oizumi
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 BB2 = 2001 NP5 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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