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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .155875078724804 1.3357e-08  
a 2.262091045002625 6.3463e-09 au
q 1.909487425280167 2.9471e-08 au
i 3.221294587457304 7.5288e-07 deg
node 19.68912456194733 5.8495e-06 deg
peri 304.1090843178015 7.834e-06 deg
M 224.4030657790676 5.13e-06 deg
tp 2459668.570119107320
(2022-Mar-30.07011911)
1.8565e-05 TDB
period 1242.692129042418
3.40
5.2296e-06
1.432e-08
d
yr
n .2896936349612236 1.2191e-09 deg/d
Q 2.614694664725083 7.3356e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2530  
   data-arc span      24220 days (66.31 yr)  
   first obs. used      1954-11-23  
   last obs. used      2021-03-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46105  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:26:03  

Additional Information
 Earth MOID = .897726 au 
 Jupiter MOID = 2.693 au 
 T_jup = 3.601 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456852.5 (2014-Jul-14.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565258818051473 1.338e-08  
q 1.907648672881989 2.9551e-08 au
tp 2457182.898647209371
(2015-Jun-09.39864721)
1.6225e-05 TDB
node 19.7222483444042 5.8451e-06 deg
peri 304.0942821740669 7.8117e-06 deg
i 3.223640916275554 7.5315e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2530  
   data-arc span      24220 days (66.31 yr)  
   first obs. used      1954-11-23  
   last obs. used      2021-03-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46105  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:26:03  

Additional Information
 Jupiter MOID = 2.693 au 
 T_jup = 3.601 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.790221692291421E-16 -3.892494080020857E-16 6.213664580268222E-14 -2.506957234209843E-14 3.58018866824258E-14 2.663529597313214E-15
q -3.892494080020857E-16 8.732686326391404E-16 -1.48552355553996E-13 5.568203547891423E-14 -8.34123671043198E-14 -5.938681076563499E-15
tp 6.213664580268222E-14 -1.48552355553996E-13 2.632350128796113E-10 3.331957514186754E-12 8.809030989439958E-11 -2.261228912793155E-12
node -2.506957234209843E-14 5.568203547891423E-14 3.331957514186754E-12 3.416494060090303E-11 -3.119682261006917E-11 -2.123683488110245E-12
peri 3.58018866824258E-14 -8.34123671043198E-14 8.809030989439958E-11 -3.119682261006917E-11 6.102270429530195E-11 1.237415717944012E-12
i 2.663529597313214E-15 -5.938681076563499E-15 -2.261228912793155E-12 -2.123683488110245E-12 1.237415717944012E-12 5.672349717460197E-13

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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