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78436 (2002 RV4)
Classification: Main-belt Asteroid          SPK-ID: 2078436
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05211316746755332 5.0147e-08  
a 3.138880115094641 2.8182e-08 au
q 2.975303129996141 1.5685e-07 au
i 11.29326988857609 5.0362e-06 deg
node 252.8041307371169 2.8863e-05 deg
peri 329.1174093241668 6.5792e-05 deg
M 186.610006264702 6.2402e-05 deg
tp 2459978.822518910252
(2023-Feb-03.32251891)
0.00035668 TDB
period 2031.236631482685
5.56
2.7356e-05
7.49e-08
d
yr
n .177231935669268 2.3869e-09 deg/d
Q 3.302457100193141 2.9651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      10214 days (27.96 yr)  
   first obs. used      1992-11-28  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:32  

Additional Information
 Earth MOID = 1.97058 au 
 Jupiter MOID = 1.74322 au 
 T_jup = 3.179 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457101.5 (2015-Mar-20.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0537996612680688 4.9332e-08  
q 2.968642617922032 1.5422e-07 au
tp 2457961.753894753858
(2017-Jul-27.25389475)
0.00034299 TDB
node 252.9590104426512 2.893e-05 deg
peri 331.6467549561532 6.5188e-05 deg
i 11.28054259483888 5.0309e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      10214 days (27.96 yr)  
   first obs. used      1992-11-28  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:32  

Additional Information
 Jupiter MOID = 1.74322 au 
 T_jup = 3.179 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.433658614395569E-15 -7.495652670974495E-15 -3.253375424792125E-12 -1.295067269506472E-15 -5.693330643029209E-13 3.706251444609879E-15
q -7.495652670974495E-15 2.37850864842627E-14 1.269317241726142E-11 6.362338087538996E-17 2.162362930983721E-12 -9.872501421495724E-15
tp -3.253375424792125E-12 1.269317241726142E-11 1.176416577915308E-7 -1.616960315913394E-10 2.008106887196594E-8 -6.980212189088792E-12
node -1.295067269506472E-15 6.362338087538996E-17 -1.616960315913394E-10 8.369540247628045E-10 -8.477816237655501E-10 -2.509465109908536E-11
peri -5.693330643029209E-13 2.162362930983721E-12 2.008106887196594E-8 -8.477816237655501E-10 4.249507956744116E-9 2.318447294060615E-11
i 3.706251444609879E-15 -9.872501421495724E-15 -6.980212189088792E-12 -2.509465109908536E-11 2.318447294060615E-11 2.531015086934424E-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 14.4   n/a MPO449493  
diameter diameter 7.909 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78436 (2002 RV4)          Discovered 2002-Sep-03 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 RV4 = 2000 JQ72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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