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65619 (4218 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2065619
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2084490962734558 3.5377e-08  
a 2.325724432948963 8.9906e-09 au
q 1.840929276719656 8.3387e-08 au
i 3.444280404648165 5.1201e-06 deg
node 135.8224531979735 8.7123e-05 deg
peri 303.0415225310314 8.8675e-05 deg
M 216.9020611066924 1.5904e-05 deg
tp 2459115.451926983978
(2020-Sep-22.95192698)
5.8208e-05 TDB
period 1295.4952052276
3.55
7.5121e-06
2.057e-08
d
yr
n .2778860149750637 1.6113e-09 deg/d
Q 2.810519589178269 1.0865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      14834 days (40.61 yr)  
   first obs. used      1977-10-07  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56597  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 01:53:28  

Additional Information
 Earth MOID = .859124 au 
 Jupiter MOID = 2.44582 au 
 T_jup = 3.543 
[ 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 16.0   n/a MPO432208  
diameter diameter 1.458 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.40 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.331   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65619 (4218 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4218 T-3 = 2002 VQ49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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