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19544 Avramkottke (1999 JN33)
Classification: Main-belt Asteroid          SPK-ID: 2019544
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1945896184878851 3.6101e-08  
a 2.395951089654109 8.2172e-09 au
q 1.929723881202684 8.6831e-08 au
i 2.705785452443969 3.9142e-06 deg
node 31.42230654907307 8.6731e-05 deg
peri 267.8029911873139 8.7258e-05 deg
M 244.1726874155573 1.0734e-05 deg
tp 2459636.336730965889
(2022-Feb-25.83673097)
4.0904e-05 TDB
period 1354.61334331946
3.71
6.9687e-06
1.908e-08
d
yr
n .2657584924697592 1.3672e-09 deg/d
Q 2.862178298105535 9.8162e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1865  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1996-09-15  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:55:40  

Additional Information
 Earth MOID = .914437 au 
 Jupiter MOID = 2.35986 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456933.5 (2014-Oct-03.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .195438249756188 3.6114e-08  
q 1.927500256612314 8.6939e-08 au
tp 2456927.262893350832
(2014-Sep-26.76289335)
3.9514e-05 TDB
node 31.44606788057314 8.6708e-05 deg
peri 267.828316602584 8.723e-05 deg
i 2.707196670329309 3.9147e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1865  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1996-09-15  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:55:40  

Additional Information
 Jupiter MOID = 2.35986 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.304208470468461E-15 -3.130700308844342E-15 3.505954326994658E-13 -3.93221524066069E-15 9.936515992768365E-14 -3.577421239373153E-16
q -3.130700308844342E-15 7.558400155619683E-15 -8.647921399424308E-13 8.996765936921934E-15 -2.440670317495346E-13 9.08976804891407E-16
tp 3.505954326994658E-13 -8.647921399424308E-13 1.561336231732858E-9 1.088453429864169E-11 3.954039142324661E-10 -7.637014619069085E-13
node -3.93221524066069E-15 8.996765936921934E-15 1.088453429864169E-11 7.518210431736737E-9 -7.506674953962349E-9 -7.197252385529699E-11
peri 9.936515992768365E-14 -2.440670317495346E-13 3.954039142324661E-10 -7.506674953962349E-9 7.609073350764718E-9 7.17132204167554E-11
i -3.577421239373153E-16 9.08976804891407E-16 -7.637014619069085E-13 -7.197252385529699E-11 7.17132204167554E-11 1.532451219742367E-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 14.45   n/a MPCxxxxx  
diameter diameter 3.829 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 59.337 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.357   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19544 Avramkottke           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Avram Kottke (b. 1987) received the 2003 Intel Foundation Achievement Award for his medicine and health project. He attends the Farmington High School, Farmington, New Mexico, 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: 20040830/MPCPages.arcLast Updated: 2004-09-06

Alternate Designations
 1999 JN33 = 1996 TF13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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