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52850 (1998 RG73)
Classification: Main-belt Asteroid          SPK-ID: 2052850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2201972232275047 4.0449e-08  
a 2.359873980561717 8.0345e-09 au
q 1.840236282875189 9.6246e-08 au
i 1.695543176212804 4.7805e-06 deg
node 213.188291427772 0.00013761 deg
peri 130.3922072195955 0.00013794 deg
M 7.285483679431632 9.7792e-06 deg
tp 2458973.702916251730
(2020-May-04.20291625)
3.5914e-05 TDB
period 1324.133108226205
3.63
6.7623e-06
1.851e-08
d
yr
n .2718759902335289 1.3885e-09 deg/d
Q 2.879511678248245 9.8037e-09 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      10576 days (28.96 yr)  
   first obs. used      1991-11-11  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55727  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:15:58  

Additional Information
 Earth MOID = .833099 au 
 Jupiter MOID = 2.53527 au 
 T_jup = 3.518 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457002.5 (2014-Dec-11.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2203485098273177 4.0401e-08  
q 1.840284393296788 9.6172e-08 au
tp 2457650.714561403127
(2016-Sep-19.21456140)
3.3837e-05 TDB
node 213.2334984561438 0.00013763 deg
peri 130.586239171151 0.00013796 deg
i 1.694909459429189 4.7814e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      10576 days (28.96 yr)  
   first obs. used      1991-11-11  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55727  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:15:58  

Additional Information
 Jupiter MOID = 2.53527 au 
 T_jup = 3.518 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.632256134220907E-15 -3.877348736923575E-15 1.538034112898602E-13 -5.973861161685344E-15 7.258735531034571E-14 -1.35115725609848E-15
q -3.877348736923575E-15 9.249014326215762E-15 -3.223177663271662E-13 1.367015082070442E-14 -1.671878989532675E-13 3.259120043788859E-15
tp 1.538034112898602E-13 -3.223177663271662E-13 1.144969024684753E-9 -5.457424975430853E-12 3.332432722875812E-10 -1.115057833216588E-13
node -5.973861161685344E-15 1.367015082070442E-14 -5.457424975430853E-12 1.894071805741136E-8 -1.893339277564336E-8 -7.128718870763007E-11
peri 7.258735531034571E-14 -1.671878989532675E-13 3.332432722875812E-10 -1.893339277564336E-8 1.903183014618696E-8 7.123828303987689E-11
i -1.35115725609848E-15 3.259120043788859E-15 -1.115057833216588E-13 -7.128718870763007E-11 7.123828303987689E-11 2.286148525504838E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO436154  
diameter diameter 1.760 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52850 (1998 RG73)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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