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JPL Small-Body Database Browser
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5027 Androgeos (1988 BX1)
Classification: Jupiter Trojan          SPK-ID: 2005027
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.


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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 .06604664265245172 6.5858e-08  
a 5.30180616665191 1.1196e-07 au
q 4.951639669350486 3.8666e-07 au
i 31.44512684015758 6.6813e-06 deg
node 78.22076018905587 1.1111e-05 deg
peri 344.6413156412995 5.4685e-05 deg
M 284.4698585283085 5.906e-05 deg
tp 2459936.017666382223
(2022-Dec-22.51766638)
0.00074415 TDB
period 4458.966358798976
12.21
0.00014125
3.867e-07
d
yr
n .08073620005892265 2.5575e-09 deg/d
Q 5.651972663953334 1.1936e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      11608 days (31.78 yr)  
   first obs. used      1988-01-21  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51022  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 21:11:11  

Additional Information
 Earth MOID = 3.97209 au 
 Jupiter MOID = .128346 au 
 T_jup = 2.700 
[ 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 9.7   n/a MPO502201  
diameter diameter 59.786 km 0.640 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 11.376 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 15-22.]
[Stephens, R.D.; Coley, D.R.; Warner, B.D.; French, L.M. (2016) Minor Planet Bull. 43, 323-331.]
geometric albedo albedo 0.071   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

5027 Androgeos (1988 BX1)          Discovered 1988-Jan-21 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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