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4829 Sergestus (1988 RM1)
Classification: Jupiter Trojan          SPK-ID: 2004829
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04771966196862379 4.371e-08  
a 5.167039338164386 8.7155e-08 au
q 4.9204699675686 2.7513e-07 au
i 8.594594801825114 5.1439e-06 deg
node 221.9129485023699 2.7824e-05 deg
peri 120.4658517567592 6.271e-05 deg
M 269.4413582142629 5.8643e-05 deg
tp 2460079.666557216402
(2023-May-15.16655722)
0.00071092 TDB
period 4290.037404901684
11.75
0.00010854
2.972e-07
d
yr
n .08391535225046605 2.1232e-09 deg/d
Q 5.413608708760172 9.1314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1614  
   data-arc span      11693 days (32.01 yr)  
   first obs. used      1988-08-15  
   last obs. used      2020-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:48:22  

Additional Information
 Earth MOID = 3.92331 au 
 Jupiter MOID = .0594372 au 
 T_jup = 2.975 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05100515929565472 4.3857e-08  
q 4.878536409483574 2.718e-07 au
tp 2455860.267304630559
(2011-Oct-25.76730463)
0.00062056 TDB
node 221.9986051528773 2.7847e-05 deg
peri 124.4247056333206 5.935e-05 deg
i 8.602181546526761 5.149e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1614  
   data-arc span      11693 days (32.01 yr)  
   first obs. used      1988-08-15  
   last obs. used      2020-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:48:22  

Additional Information
 Jupiter MOID = .0594372 au 
 T_jup = 2.975 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.923453568669932E-15 -1.144743423325159E-14 8.946708838484861E-13 -4.002971564459387E-15 4.082090488111925E-14 1.385124539234521E-15
q -1.144743423325159E-14 7.387652709586722E-14 1.142968221584149E-11 3.953360975837729E-14 1.332640386735041E-12 -1.024708370925375E-14
tp 8.946708838484861E-13 1.142968221584149E-11 3.851007165235183E-7 1.379036191732806E-11 3.253254424467174E-8 -5.825555348510929E-12
node -4.002971564459387E-15 3.953360975837729E-14 1.379036191732806E-11 7.754702642440048E-10 -7.646126210699433E-10 -1.150630093850014E-12
peri 4.082090488111925E-14 1.332640386735041E-12 3.253254424467174E-8 -7.646126210699433E-10 3.522446352257211E-9 4.798795175947227E-13
i 1.385124539234521E-15 -1.024708370925375E-14 -5.825555348510929E-12 -1.150630093850014E-12 4.798795175947227E-13 2.651228886406777E-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 11.2   n/a MPO473833  
diameter diameter 32.220 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.068   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

4829 Sergestus (1988 RM1)          Discovered 1988-Sep-10 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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