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21719 Pasricha (1999 RR115)
Classification: Main-belt Asteroid          SPK-ID: 2021719
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304525309377233 3.6397e-08  
a 2.421088415769808 8.7284e-09 au
q 2.105251304308634 8.8153e-08 au
i 2.106493254978739 4.3275e-06 deg
node 150.0709648917287 8.4332e-05 deg
peri 211.190002108174 8.5475e-05 deg
M 211.1210487677563 1.4632e-05 deg
tp 2459769.543152235071
(2022-Jul-09.04315223)
5.7134e-05 TDB
period 1375.987223909586
3.77
7.4409e-06
2.037e-08
d
yr
n .2616303362011849 1.4148e-09 deg/d
Q 2.736925527230983 9.867e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1126  
   data-arc span      9582 days (26.23 yr)  
   first obs. used      1994-03-14  
   last obs. used      2020-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:52:10  

Additional Information
 Earth MOID = 1.10078 au 
 Jupiter MOID = 2.7081 au 
 T_jup = 3.501 
[ 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 15.49   n/a E2021B10  
diameter diameter 4.282 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21719 Pasricha           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Trisha Satya Pasricha (b. 1989) was awarded second place in the 2005 Intel International Science and Engineering Fair for her behavioral and social sciences project. She attends the Clear Lake High School, Houston, Texas, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050822/MPCPages.arcLast Updated: 2005-08-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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