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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387764545983429 3.0033e-08  
a 2.342149730858655 7.8249e-09 au
q 2.017114495071628 7.029e-08 au
i 5.188696737249515 3.4931e-06 deg
node 270.1288068318875 4.368e-05 deg
peri 352.3155234350678 4.6448e-05 deg
M 18.20467044322319 1.5011e-05 deg
tp 2458934.293484565264
(2020-Mar-25.79348457)
5.4637e-05 TDB
period 1309.243451060522
3.58
6.5611e-06
1.796e-08
d
yr
n .274967959326732 1.378e-09 deg/d
Q 2.667184966645682 8.9108e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1503  
   data-arc span      9110 days (24.94 yr)  
   first obs. used      1995-08-28  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:29:52  

Additional Information
 Earth MOID = 1.00161 au 
 Jupiter MOID = 2.40207 au 
 T_jup = 3.545 
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Orbital Elements at Epoch 2456950.5 (2014-Oct-20.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139020644470271 3.0101e-08  
q 2.0156672089847 7.0398e-08 au
tp 2456315.898369410028
(2013-Jan-23.39836941)
5.7614e-05 TDB
node 270.2089182521532 4.3634e-05 deg
peri 352.0580729541147 4.6386e-05 deg
i 5.192221469361536 3.4953e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1503  
   data-arc span      9110 days (24.94 yr)  
   first obs. used      1995-08-28  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:29:52  

Additional Information
 Jupiter MOID = 2.40207 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.06092716225457E-16 -2.109492968791729E-15 1.953375758107681E-13 -2.838733618086883E-16 3.774337703642995E-14 -4.560096062184936E-16
q -2.109492968791729E-15 4.955919532384172E-15 -5.918967345638804E-13 9.792280860724249E-16 -1.200739998874955E-13 1.228138581365093E-15
tp 1.953375758107681E-13 -5.918967345638804E-13 3.319424171845065E-9 5.20652557947569E-12 9.214599759418034E-10 -1.837169100079498E-12
node -2.838733618086883E-16 9.792280860724249E-16 5.20652557947569E-12 1.903950270594226E-9 -1.894189946973938E-9 2.689347763141578E-11
peri 3.774337703642995E-14 -1.200739998874955E-13 9.214599759418034E-10 -1.894189946973938E-9 2.151644266134301E-9 -2.725786505857938E-11
i -4.560096062184936E-16 1.228138581365093E-15 -1.837169100079498E-12 2.689347763141578E-11 -2.725786505857938E-11 1.221733496786488E-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 14.9   n/a MPO435955  
rotation period rot_per 6.182 h n/a LCDB (Rev. 2019-August); 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

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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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