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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387141179966256 2.8875e-08  
a 2.341309841877457 7.368e-09 au
q 2.016537112204607 6.7237e-08 au
i 5.187980636168848 3.2872e-06 deg
node 270.1192734300648 4.0989e-05 deg
peri 352.1566433249348 4.3698e-05 deg
M 73.36086492958391 1.4227e-05 deg
tp 2458933.845630103709
(2020-Mar-25.34563010)
5.197e-05 TDB
period 1308.539277103766
3.58
6.1768e-06
1.691e-08
d
yr
n .2751159298762511 1.2987e-09 deg/d
Q 2.666082571550307 8.39e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1720  
   data-arc span      9269 days (25.38 yr)  
   first obs. used      1995-08-28  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:41:46  

Additional Information
 Earth MOID = .99933 au 
 Jupiter MOID = 2.40168 au 
 T_jup = 3.546 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457315.5 (2015-Oct-20.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382395272035503 2.8929e-08  
q 2.018523415842261 6.7297e-08 au
tp 2457624.609092941003
(2016-Aug-24.10909294)
5.3817e-05 TDB
node 270.1705250267452 4.0976e-05 deg
peri 352.0330239685003 4.3693e-05 deg
i 5.187863533230368 3.2873e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1720  
   data-arc span      9269 days (25.38 yr)  
   first obs. used      1995-08-28  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:41:46  

Additional Information
 Jupiter MOID = 2.40168 au 
 T_jup = 3.546 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.369093907845229E-16 -1.938405141500054E-15 3.205332899002511E-13 4.722914915025752E-15 6.244909111414863E-14 -8.429371429630034E-16
q -1.938405141500054E-15 4.528873367641023E-15 -8.566148024407001E-13 -1.099135772490968E-14 -1.794455260488037E-13 2.10530165547829E-15
tp 3.205332899002511E-13 -8.566148024407001E-13 2.896279273921046E-9 1.347799088676058E-11 8.296789679508574E-10 -2.344445041460597E-12
node 4.722914915025752E-15 -1.099135772490968E-14 1.347799088676058E-11 1.67899755700907E-9 -1.667958580063222E-9 4.236217226709242E-11
peri 6.244909111414863E-14 -1.794455260488037E-13 8.296789679508574E-10 -1.667958580063222E-9 1.909061924870357E-9 -4.284962051328649E-11
i -8.429371429630034E-16 2.10530165547829E-15 -2.344445041460597E-12 4.236217226709242E-11 -4.284962051328649E-11 1.080628312201461E-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

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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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