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5119 (1988 RA1)
Classification: Jupiter Trojan          SPK-ID: 2005119
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094293079184052 3.1331e-08  
a 5.199220513123965 8.3516e-08 au
q 4.630273410657634 1.8655e-07 au
i 15.95152158140132 2.0853e-06 deg
node 316.9900184220022 6.7019e-06 deg
peri 16.63749941423042 1.8346e-05 deg
M 278.2255023715211 2.1594e-05 deg
tp 2460184.105994921026
(2023-Aug-27.60599492)
0.0002757 TDB
period 4330.178337265026
11.86
0.00010433
2.856e-07
d
yr
n .08313745346280098 2.0032e-09 deg/d
Q 5.768167615590296 9.2655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1659  
   data-arc span      24361 days (66.70 yr)  
   first obs. used      1953-11-29  
   last obs. used      2020-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 17:19:15  

Additional Information
 Earth MOID = 3.62089 au 
 Jupiter MOID = .395101 au 
 T_jup = 2.911 
[ 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 10.35   n/a E2021B10  
diameter diameter 49.251 km 0.518 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 12.807 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:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.061   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

5119 (1988 RA1)          Discovered 1988-Sep-08 by Jensen, P. at Brorfelde
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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