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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382311896598573 4.8342e-08  
a 2.757333626834074 1.6745e-08 au
q 2.376184119307671 1.35e-07 au
i 12.61452994724577 5.4721e-06 deg
node 27.62361849506812 2.0077e-05 deg
peri 343.1222626490931 2.5631e-05 deg
M 303.3413203895055 1.6774e-05 deg
tp 2459263.706343156883
(2021-Feb-18.20634316)
7.8944e-05 TDB
period 1672.370132658849
4.58
1.5235e-05
4.171e-08
d
yr
n .2152633516766096 1.9609e-09 deg/d
Q 3.138483134360477 1.906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      9870 days (27.02 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:26  

Additional Information
 Earth MOID = 1.3799 au 
 Jupiter MOID = 2.3278 au 
 T_jup = 3.294 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456968.5 (2014-Nov-07.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140244839416806 4.8207e-08  
q 2.36796493422214 1.3488e-07 au
tp 2457595.457645218186
(2016-Jul-25.95764522)
7.2632e-05 TDB
node 27.72758817667063 2.0042e-05 deg
peri 343.6840392958761 2.5457e-05 deg
i 12.63373587105225 5.478e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      9870 days (27.02 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:26  

Additional Information
 Jupiter MOID = 2.3278 au 
 T_jup = 3.294 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.323933071491094E-15 -6.466823501677014E-15 -2.281384365927073E-13 -6.818636004258621E-15 -7.597683670653972E-14 -1.486303231074094E-15
q -6.466823501677014E-15 1.819243829510013E-14 8.825323872141264E-13 1.826724129413898E-14 2.479819701483936E-13 5.205714361312904E-15
tp -2.281384365927073E-13 8.825323872141264E-13 5.275351854991514E-9 7.667579215565412E-12 1.153613501901872E-9 -2.171858893405872E-12
node -6.818636004258621E-15 1.826724129413898E-14 7.667579215565412E-12 4.01684926756109E-10 -3.897757722122112E-10 -1.687797540785712E-11
peri -7.597683670653972E-14 2.479819701483936E-13 1.153613501901872E-9 -3.897757722122112E-10 6.480753451820089E-10 1.59345822863598E-11
i -1.486303231074094E-15 5.205714361312904E-15 -2.171858893405872E-12 -1.687797540785712E-11 1.59345822863598E-11 3.000813312833E-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 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

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