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27857 (1995 BZ)
Classification: Main-belt Asteroid          SPK-ID: 2027857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1665376639202207 3.7902e-08  
a 2.736968671002143 1.2771e-08 au
q 2.281160302310615 1.0079e-07 au
i 10.31284936097378 4.6205e-06 deg
node 114.8240668625585 2.3627e-05 deg
peri 101.6510599592948 2.7676e-05 deg
M 146.0289731882585 1.4968e-05 deg
tp 2458329.627952589386
(2018-Jul-30.12795259)
6.8153e-05 TDB
period 1653.876842347337
4.53
1.1576e-05
3.169e-08
d
yr
n .2176703795483673 1.5235e-09 deg/d
Q 3.192777039693671 1.4898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1372  
   data-arc span      9075 days (24.85 yr)  
   first obs. used      1994-12-28  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:08:52  

Additional Information
 Earth MOID = 1.30081 au 
 Jupiter MOID = 1.88347 au 
 T_jup = 3.308 
[ 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 14.0   n/a MPO502366  
diameter diameter 4.433 km 0.292 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.271   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27857 (1995 BZ)          Discovered 1995-Jan-25 by Kobayashi, T. at Oizumi
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 BZ = 1998 WT8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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