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78547 (2002 RZ122)
Classification: Main-belt Asteroid          SPK-ID: 2078547
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1377480204965182 4.8312e-08  
a 2.755624174308285 1.6565e-08 au
q 2.376042399064966 1.3485e-07 au
i 12.61706792565397 5.471e-06 deg
node 27.59449929047602 2.0053e-05 deg
peri 343.2696425171202 2.5645e-05 deg
M 346.2831558422132 1.6957e-05 deg
tp 2459264.161975283259
(2021-Feb-18.66197528)		 7.8945e-05 TDB
period 1670.81515531858
4.57		 1.5066e-05
4.125e-08		 d
yr
n .2154636907943043 1.9429e-09 deg/d
Q 3.135205949551604 1.8847e-08 au
   Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      9958 days (27.26 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58905  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:27:46  

Additional Information
 Earth MOID = 1.37832 au 
 Jupiter MOID = 2.33208 au 
 T_jup = 3.295 
[ 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 15.02   n/a E2020-QM9  

78547 (2002 RZ122)          Discovered 2002-Sep-08 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
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
1950-May-14 17:58 00:01 Cybel 0.0428853930172981 0.0428758093602403 0.0428949776680158 4.81435302167638 4.81435299221394 2433416.248578124 1.41599929359483 578.677827298743 39.4330476323895 -34.441397158557 92433.8890143291 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 19:27:48 2021-Feb-24 19:27

Alternate Designations
 2002 RZ122 = 1993 TU23 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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