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JPL Small-Body Database Browser
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136950 (1998 RT1)
Classification: Main-belt Asteroid          SPK-ID: 2136950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02146138941671648 7.057e-08  
a 2.52365427776549 1.4372e-08 au
q 2.469493150557203 1.8123e-07 au
i 13.19279920237317 6.8906e-06 deg
node 325.8827785343321 1.9938e-05 deg
peri 261.5514572738326 0.00067729 deg
M 284.2214279371933 0.00069674 deg
tp 2459308.738677505892
(2021-Apr-04.23867751)
0.0028344 TDB
period 1464.344350671458
4.01
1.2509e-05
3.425e-08
d
yr
n .2458438138781538 2.1e-09 deg/d
Q 2.577815404973777 1.468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      9275 days (25.39 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53869  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:43:07  

Additional Information
 Earth MOID = 1.49648 au 
 Jupiter MOID = 2.45515 au 
 T_jup = 3.418 
[ 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 15.2   n/a MPO502856  
diameter diameter 5.946 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136950 (1998 RT1)          Discovered 1998-Sep-14 by CSS at Catalina
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 RT1 = 1994 RZ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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