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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1558750973411411 3.8622e-08  
a 2.262091048846059 6.928e-09 au
q 1.909487386412656 8.6219e-08 au
i 3.221300934053168 3.8996e-06 deg
node 19.68906883119755 5.4673e-05 deg
peri 304.10913593979 5.5822e-05 deg
M 224.4030637067183 1.2515e-05 deg
tp 2459668.570127453830
(2022-Mar-30.07012745)
4.3997e-05 TDB
period 1242.692132209535
3.40
5.7089e-06
1.563e-08
d
yr
n .2896936342229123 1.3308e-09 deg/d
Q 2.614694711279462 8.0079e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2428  
   data-arc span      24163 days (66.15 yr)  
   first obs. used      1954-11-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:06:29  

Additional Information
 Earth MOID = .897726 au 
 Jupiter MOID = 2.693 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 13.51   n/a E2021B10  
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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