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78433 Gertrudolf (2002 QF56)
Classification: Main-belt Asteroid          SPK-ID: 2078433
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02767313558432201 3.9441e-08  
a 2.632869446743831 1.2267e-08 au
q 2.56000969356827 1.0373e-07 au
i 2.654356696347213 4.3098e-06 deg
node 54.68027211489007 8.6498e-05 deg
peri 138.0757251932276 0.00011637 deg
M 243.9257642368203 7.9555e-05 deg
tp 2459703.624824431689
(2022-May-04.12482443)
0.00034575 TDB
period 1560.423255036096
4.27
1.0905e-05
2.986e-08
d
yr
n .2307066360605298 1.6124e-09 deg/d
Q 2.705729199919392 1.2607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      9590 days (26.26 yr)  
   first obs. used      1994-10-12  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60977  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:05  

Additional Information
 Earth MOID = 1.55756 au 
 Jupiter MOID = 2.2481 au 
 T_jup = 3.397 
[ show covariance matrix ]

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 15.8   n/a MPO263930  

78433 Gertrudolf           Discovered 2002 Aug. 29 by S. F. Hönig at Palomar.
Gertrud (b. 1925) and Rudolf Hönig (1917-1993) are the grandparents of the discoverer. They woke and supported his interest in astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040504/MPCPages.arcLast Updated: 2004-05-11

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2004-Oct-25 00:25 < 00:01 Amphi 0.0330826489284801 0.0330811004249401 0.0330841974430143 2.51571947711051 2.51571940803715 2453303.517014125 0.958508788850193 86.4832393191929 49.3609741674221 -33.4301527370979 72925.4104349855 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 07:15:06 2021-Feb-24 07:15
2188-Jul-27 19:42 00:01 Amphi 0.0431979731946521 0.0431821072868989 0.0432138687167505 2.30611553493197 2.30611547722495 2520419.320930760 1.08211415789662 1950.79351847181 46.608357630856 66.1428069899384 126616.703933331 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 07:15:06 2021-Feb-24 07:15

Alternate Designations
 2002 QF56 = 1998 SQ157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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