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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
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Orbital Elements at Epoch 2456867.5 (2014-Jul-29.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986225138535805 5.2181e-08  
q 2.048127347507685 1.3314e-07 au
tp 2456893.315370993495
(2014-Aug-23.81537099)
6.2745e-05 TDB
node 17.0310318945786 3.9105e-05 deg
peri 279.2192424020643 4.1089e-05 deg
i 8.264347957009893 4.8305e-06 deg
  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
 Jupiter MOID = 2.21882 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.722848527435125E-15 -6.92833136906016E-15 1.932643417631694E-13 -5.676246870078457E-15 -2.053378293423867E-14 1.763523820055805E-16
q -6.92833136906016E-15 1.772513745167278E-14 -1.938222505259426E-13 1.53519896614134E-14 1.111116058041337E-13 -5.701472803454522E-17
tp 1.932643417631694E-13 -1.938222505259426E-13 3.936897889120362E-9 2.762790842609479E-11 8.311188340428487E-10 -3.013321466139754E-13
node -5.676246870078457E-15 1.53519896614134E-14 2.762790842609479E-11 1.529220812092137E-9 -1.506824197937425E-9 1.150840335470876E-11
peri -2.053378293423867E-14 1.111116058041337E-13 8.311188340428487E-10 -1.506824197937425E-9 1.688267821984932E-9 -1.151013652069049E-11
i 1.763523820055805E-16 -5.701472803454522E-17 -3.013321466139754E-13 1.150840335470876E-11 -1.151013652069049E-11 2.333357096560932E-11

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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