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JPL Small-Body Database Browser
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21684 Alinafiocca (1999 RR33)
Classification: Main-belt Asteroid          SPK-ID: 2021684
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283792073519991 3.3383e-08  
a 2.428192195354333 9.4195e-09 au
q 2.116462806016433 8.1653e-08 au
i 5.623631148592342 5.3272e-06 deg
node 17.91381941555722 4.3605e-05 deg
peri 75.18941866585341 5.0459e-05 deg
M 90.52613774640056 2.368e-05 deg
tp 2458652.968234824280
(2019-Jun-18.46823482)
9.0788e-05 TDB
period 1382.047644777974
3.78
8.0419e-06
2.202e-08
d
yr
n .2604830603056627 1.5157e-09 deg/d
Q 2.739921584692233 1.0629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      11387 days (31.18 yr)  
   first obs. used      1988-11-03  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53875  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 01:36:30  

Additional Information
 Earth MOID = 1.1413 au 
 Jupiter MOID = 2.43444 au 
 T_jup = 3.491 
[ 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 MPO365510  

21684 Alinafiocca           Discovered 1999 Sept. 4 by M. White and M. Collins at Anza Observatory of Orange County Astronomers.
Alina Fiocca (b. 1994) is a girl of Italian heritage born with Down's syndrome. A resident of Aliso Viejo, California, she is a bright and beautiful princess, a daily inspiration in her ability to love unconditionally and wholeheartedly.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1999 RR33 = 1988 VC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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