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23844 Raghvendra (1998 QB109)
Classification: Main-belt Asteroid          SPK-ID: 2023844
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785641847937737 3.2429e-08  
a 2.308916703171397 7.5571e-09 au
q 1.896626874312869 7.3677e-08 au
i 9.154829635464242 4.1705e-06 deg
node 119.9980854005203 2.4139e-05 deg
peri 152.934958039012 2.7594e-05 deg
M 171.5710350226769 1.2805e-05 deg
tp 2458589.765722339399
(2019-Apr-16.26572234)
4.5084e-05 TDB
period 1281.477027452544
3.51
6.2914e-06
1.722e-08
d
yr
n .2809258319016816 1.3792e-09 deg/d
Q 2.721206532029925 8.9065e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1425  
   data-arc span      8772 days (24.02 yr)  
   first obs. used      1997-02-04  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:31:09  

Additional Information
 Earth MOID = .883294 au 
 Jupiter MOID = 2.41406 au 
 T_jup = 3.548 
[ 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 14.94   n/a MPCxxxxx  
diameter diameter 2.675 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.205   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

23844 Raghvendra           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Shubha Srinivas Raghvendra (b. 1994) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her behavioral science project. She attends the Challenger School, Sunnyvale, California.
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

[ show close-approach data ]
Alternate Designations
 1998 QB109 = 1997 EG33 = 2000 AY75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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