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27597 Varuniyer (2001 DF14)
Classification: Main-belt Asteroid          SPK-ID: 2027597
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387141169021585 2.9382e-08  
a 2.341309842309287 7.4654e-09 au
q 2.016537115139022 6.8247e-08 au
i 5.187980726025934 3.2958e-06 deg
node 270.1192712410989 4.1383e-05 deg
peri 352.1566461765142 4.4173e-05 deg
M 73.36086447399109 1.4395e-05 deg
tp 2458933.845631685940
(2020-Mar-25.34563169)
5.2606e-05 TDB
period 1308.539277465786
3.58
6.2586e-06
1.714e-08
d
yr
n .2751159298001377 1.3158e-09 deg/d
Q 2.666082569479551 8.501e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1700  
   data-arc span      9269 days (25.38 yr)  
   first obs. used      1995-08-28  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:25:46  

Additional Information
 Earth MOID = .99933 au 
 Jupiter MOID = 2.40168 au 
 T_jup = 3.546 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457289.5 (2015-Sep-24.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382871187899122 2.9443e-08  
q 2.018432718170487 6.8345e-08 au
tp 2457624.579787288049
(2016-Aug-24.07978729)
5.4577e-05 TDB
node 270.1770932406343 4.1366e-05 deg
peri 352.0227277813053 4.4162e-05 deg
i 5.18810722938389 3.2961e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1700  
   data-arc span      9269 days (25.38 yr)  
   first obs. used      1995-08-28  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:25:46  

Additional Information
 Jupiter MOID = 2.40168 au 
 T_jup = 3.546 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.669033418495785E-16 -2.003678324046753E-15 2.705476330859688E-13 4.991729664997322E-15 4.444654925524571E-14 -8.435718388258106E-16
q -2.003678324046753E-15 4.671070173582128E-15 -7.484897163688282E-13 -1.157835033317541E-14 -1.404681397597761E-13 2.114803652987589E-15
tp 2.705476330859688E-13 -7.484897163688282E-13 2.978655275507739E-9 1.537681880453186E-11 8.57176866503703E-10 -2.446429913966188E-12
node 4.991729664997322E-15 -1.157835033317541E-14 1.537681880453186E-11 1.711130014183715E-9 -1.699384166396009E-9 4.101834239629085E-11
peri 4.444654925524571E-14 -1.404681397597761E-13 8.57176866503703E-10 -1.699384166396009E-9 1.950255740787204E-9 -4.154461406169953E-11
i -8.435718388258106E-16 2.114803652987589E-15 -2.446429913966188E-12 4.101834239629085E-11 -4.154461406169953E-11 1.086439950946813E-11

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 14.93   n/a E2021B10  
rotation period rot_per 6.182 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

27597 Varuniyer           Discovered 2001 Feb. 19 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Varun V. Iyer (b. 1998) is a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students, for his physical sciences project. He attends the Benjamin Franklin Middle School, Springfield, Illinois.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2001 DF14 = 1999 TD271 = 1999 UO62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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