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21679 Bettypalermiti (1999 RD28)
Classification: Main-belt Asteroid          SPK-ID: 2021679
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1994412811658209 2.782e-08  
a 2.219355228744361 5.5616e-09 au
q 1.776724178561522 6.0335e-08 au
i 2.781618035859494 4.0962e-06 deg
node 167.1448080626854 6.5188e-05 deg
peri 131.44319596 6.6258e-05 deg
M 184.8795030343642 1.333e-05 deg
tp 2459787.953016528193
(2022-Jul-27.45301653)
4.5709e-05 TDB
period 1207.643249160314
3.31
4.5394e-06
1.243e-08
d
yr
n .2981012813596329 1.1205e-09 deg/d
Q 2.661986278927199 6.6708e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1739  
   data-arc span      16228 days (44.43 yr)  
   first obs. used      1976-09-29  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:51:33  

Additional Information
 Earth MOID = .760598 au 
 Jupiter MOID = 2.5531 au 
 T_jup = 3.623 
[ 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 15.07   n/a E2021B10  
rotation period rot_per 4.35 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

21679 Bettypalermiti           Discovered 1999 Sept. 8 by C. W. Juels at Fountain Hills.
Betty M. Palermiti (b. 1950) is a Florida dental hygienist and optical specialist who was a Pro Class drag racing driver from 1991 to 1995. She has supported her husband's astronomical endeavors at Palermiti Observatory in Jupiter, Florida, since 1971. The name was suggested by L. R. Sikes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031110/MPCPages.arcLast Updated: 2003-11-12

Alternate Designations
 1999 RD28 = 1976 SM9 = 1986 UT1 = 1996 SU6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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