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152627 (1997 DF)
Classification: Mars-crossing Asteroid          SPK-ID: 2152627
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465904745628162 4.1412e-08  
a 1.541672955273802 3.1301e-09 au
q 1.315678385139556 6.3077e-08 au
i 18.67281992412907 5.7079e-06 deg
node 145.7867095873394 1.0658e-05 deg
peri 268.5819131414526 2.923e-05 deg
M 333.3492354177437 2.2101e-05 deg
tp 2459448.259965705935
(2021-Aug-21.75996571)
4.2921e-05 TDB
period 699.1764756551366
1.91
2.1294e-06
5.83e-09
d
yr
n .5148914652236772 1.5681e-09 deg/d
Q 1.767667525408048 3.589e-09 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      8482 days (23.22 yr)  
   first obs. used      1997-02-26  
   last obs. used      2020-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:14:45  

Additional Information
 Earth MOID = .439594 au 
 Jupiter MOID = 3.51428 au 
 T_jup = 4.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457561.5 (2016-Jun-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467420890212162 4.1401e-08  
q 1.315600838325679 6.3052e-08 au
tp 2457350.561489200593
(2015-Nov-24.06148920)
4.3413e-05 TDB
node 145.8181956639254 1.066e-05 deg
peri 268.5493840119464 2.9198e-05 deg
i 18.67104315414276 5.7075e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      8482 days (23.22 yr)  
   first obs. used      1997-02-26  
   last obs. used      2020-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:14:45  

Additional Information
 Jupiter MOID = 3.51428 au 
 T_jup = 4.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.714064360522817E-15 -2.608300404741634E-15 -1.011636855468573E-12 3.811263366705753E-14 -6.947041315976692E-13 -5.020334795246683E-14
q -2.608300404741634E-15 3.975502936360096E-15 1.540455192639136E-12 -5.889145287330865E-14 1.05950229278612E-12 7.625497308825767E-14
tp -1.011636855468573E-12 1.540455192639136E-12 1.884667341896959E-9 -3.836584326450507E-11 1.181697193202037E-9 2.297326564047847E-11
node 3.811263366705753E-14 -5.889145287330865E-14 -3.836584326450507E-11 1.136263717923764E-10 -1.308230165759182E-10 4.022014838300865E-12
peri -6.947041315976692E-13 1.05950229278612E-12 1.181697193202037E-9 -1.308230165759182E-10 8.524967966719618E-10 1.238285683239986E-11
i -5.020334795246683E-14 7.625497308825767E-14 2.297326564047847E-11 4.022014838300865E-12 1.238285683239986E-11 3.257538702393255E-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 18.18   n/a E2021B55  

152627 (1997 DF)          Discovered 1997-Feb-26 by Sarounova, L. at Ondrejov
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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