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2899 Runrun Shaw (1964 TR2)
Classification: Main-belt Asteroid          SPK-ID: 2002899
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1557502184839772 3.9074e-08  
a 2.262370897793878 6.9901e-09 au
q 1.91000613617069 8.7156e-08 au
i 3.22100989407285 3.9141e-06 deg
node 19.69448532221032 5.4981e-05 deg
peri 304.0666049141821 5.6137e-05 deg
M 166.5163042861967 1.2465e-05 deg
tp 2458425.591939241106
(2018-Nov-03.09193924)
4.2236e-05 TDB
period 1242.922744174538
3.40
5.7604e-06
1.577e-08
d
yr
n .2896398844475943 1.3424e-09 deg/d
Q 2.614735659417066 8.0788e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2318  
   data-arc span      23896 days (65.42 yr)  
   first obs. used      1954-11-23  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:46:57  

Additional Information
 Earth MOID = .900191 au 
 Jupiter MOID = 2.69309 au 
 T_jup = 3.601 
[ 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 13.4   n/a MPO412188  
diameter diameter 4.831 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.362   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2899 Runrun Shaw (1964 TR2)          Discovered 1964-Oct-08 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1964 TR2 = 1981 SG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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