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118103 (2279 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118103
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07303212475655911 5.5672e-08  
a 3.04563333321749 2.5462e-08 au
q 2.823204259663215 1.7354e-07 au
i 8.809503039141875 5.9097e-06 deg
node 216.082824646451 3.1205e-05 deg
peri 167.1802058245672 4.466e-05 deg
M 5.379634082246943 3.1169e-05 deg
tp 2458971.488840418864
(2020-May-01.98884042)
0.00016813 TDB
period 1941.399227072861
5.32
2.4346e-05
6.666e-08
d
yr
n .185433266367778 2.3254e-09 deg/d
Q 3.268062406771764 2.7322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      15728 days (43.06 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:14:03  

Additional Information
 Earth MOID = 1.82779 au 
 Jupiter MOID = 2.14487 au 
 T_jup = 3.217 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO449689  
diameter diameter 3.361 km 0.733 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118103 (2279 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2279 T-3 = 2004 XR8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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