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39285 (2001 BP75)
Classification: Jupiter Trojan          SPK-ID: 2039285
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08035045407519599 5.1873e-08  
a 5.170384784730352 1.3668e-07 au
q 4.754942019533783 3.5613e-07 au
i 6.491073378733828 7.0541e-06 deg
node 330.6520289345751 5.3294e-05 deg
peri 127.8748550181703 7.7133e-05 deg
M 307.764443031821 5.8707e-05 deg
tp 2460019.583790456642
(2023-Mar-16.08379046)
0.00071447 TDB
period 4294.204514772134
11.76
0.00017028
4.662e-07
d
yr
n .08383392052278696 3.3243e-09 deg/d
Q 5.585827549926921 1.4766e-07 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      8889 days (24.34 yr)  
   first obs. used      1996-09-10  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54377  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:41:31  

Additional Information
 Earth MOID = 3.77688 au 
 Jupiter MOID = .39832 au 
 T_jup = 2.981 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.56   n/a E2021B10  
diameter diameter 17.602 km 0.499 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.063   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

39285 (2001 BP75)          Discovered 2001-Jan-26 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 BP75 = 1996 RO27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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