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2674 Pandarus (1982 BC3)
Classification: Jupiter Trojan          SPK-ID: 2002674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06977794689166492 4.2111e-08  
a 5.185885480835729 5.7939e-08 au
q 4.824025039167718 2.2752e-07 au
i 1.854288466450353 4.481e-06 deg
node 179.7977033487008 0.00012094 deg
peri 40.29418369632426 0.00012502 deg
M 17.67699496990312 3.1679e-05 deg
tp 2458788.693761513497
0.00038016 TDB
period 4313.529872298147
n .08345833010499136 1.3986e-09 deg/d
Q 5.547745922503741 6.1982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2546  
   data-arc span      17434 days (47.73 yr)  
   first obs. used      1972-04-14  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47308  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:41:02  

Additional Information
 Earth MOID = 3.81634 au 
 Jupiter MOID = .182598 au 
 T_jup = 2.994 
[ 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 9.1   n/a MPO435722  
diameter diameter 74.267 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (  
rotation period rot_per 8.480 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[French, L.M. (1987) Icarus 72, 325-341.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 265-270.]
[Stephens, R.D.; Coley, D.R. (2017) Minor Planet Bull. 44, 252-257.]
[Stephens, R.D.; Warner, B.D. (2018) Minor Planet Bull. 45, 301-304.]
geometric albedo albedo 0.067   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (  
B-V BV 0.758   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=10.88, mean=10.91, max.=10.94) deg.
U-B UB 0.252   0.048 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=10.88, mean=10.91, max.=10.94) deg.
Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices

2674 Pandarus (1982 BC3)          Discovered 1982-Jan-27 by Oak Ridge Observatory at Oak Ridge
Discovered at Oak Ridge Observatory (until 1981 Harvard College's Agassiz Station). The principal observers are R. E. McCrosky, C.-Y. Shao, G. Schwartz, and J. H. Bulger, with some assistance from others.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 BC3 = 1972 GE = 1976 SM6 = 1977 RB6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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