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23850 Ramaswami (1998 RJ34)
Classification: Main-belt Asteroid          SPK-ID: 2023850
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976083799737398 5.2349e-08  
a 2.556529165925747 1.2328e-08 au
q 2.051337579091544 1.3352e-07 au
i 8.259245940062257 4.8289e-06 deg
node 17.0068075307352 3.9131e-05 deg
peri 279.0335716566693 4.1125e-05 deg
M 148.4939824257558 1.7296e-05 deg
tp 2458384.641544780582
(2018-Sep-23.14154478)
6.8919e-05 TDB
period 1493.050696447182
4.09
1.08e-05
2.957e-08
d
yr
n .2411170637786412 1.7441e-09 deg/d
Q 3.06172075275995 1.4764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1099  
   data-arc span      9891 days (27.08 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48309  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:43:00  

Additional Information
 Earth MOID = 1.05559 au 
 Jupiter MOID = 2.21882 au 
 T_jup = 3.395 
[ 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 14.3   n/a MPO502339  
diameter diameter 3.819 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

23850 Ramaswami           Discovered 1998 Sept. 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Keshav Ramaswami (b. 1993) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his biochem, medicine, health, and microbiology project. He attends the Mission Valley Middle School, Prairie Village, Kansas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071026/MPCPages.arcLast Updated: 2007-10-28

Alternate Designations
 1998 RJ34 = 1993 FF61 = 1999 XB201 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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