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85899 (1999 CS53)
Classification: Main-belt Asteroid          SPK-ID: 2085899
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720865869410738 3.5915e-08  
a 2.385850219774825 8.8447e-09 au
q 1.975277398501165 8.7157e-08 au
i 3.002598192909491 4.0495e-06 deg
node 57.84489377090421 7.4072e-05 deg
peri 40.38925352736147 7.5024e-05 deg
M 319.6408809553532 1.2771e-05 deg
tp 2459151.404561514333
(2020-Oct-28.90456151)		 4.8119e-05 TDB
period 1346.056193274756
3.69		 7.4851e-06
2.049e-08		 d
yr
n .2674479726765144 1.4872e-09 deg/d
Q 2.796423041048485 1.0367e-08 au
   Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      8015 days (21.94 yr)  
   first obs. used      1998-11-20  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:24  

Additional Information
 Earth MOID = .993245 au 
 Jupiter MOID = 2.36635 au 
 T_jup = 3.513 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457076.5 (2015-Feb-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709343625200426 3.576e-08  
q 1.978576512311838 8.668e-08 au
tp 2456456.702779201514
(2013-Jun-13.20277920)		 4.407e-05 TDB
node 57.87074328954694 7.4018e-05 deg
peri 40.06467765415884 7.4995e-05 deg
i 3.004252092106801 4.049e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      8015 days (21.94 yr)  
   first obs. used      1998-11-20  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:24  

Additional Information
 Jupiter MOID = 2.36635 au 
 T_jup = 3.513 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.278810656778013E-15 -3.088732145282987E-15 -1.659109280913847E-13 5.450054936470776E-15 -2.308572001667125E-14 1.759575556316852E-16
q -3.088732145282987E-15 7.513428663829133E-15 4.455265288955467E-13 -1.411430461274361E-14 7.311724061508779E-14 -2.816553910812821E-16
tp -1.659109280913847E-13 4.455265288955467E-13 1.942142597012108E-9 -1.117080107841697E-11 5.439553024818751E-10 1.013079345016952E-12
node 5.450054936470776E-15 -1.411430461274361E-14 -1.117080107841697E-11 5.478607935819256E-9 -5.473764761565177E-9 -6.584904873764434E-12
peri -2.308572001667125E-14 7.311724061508779E-14 5.439553024818751E-10 -5.473764761565177E-9 5.624322407102508E-9 6.87389104925765E-12
i 1.759575556316852E-16 -2.816553910812821E-16 1.013079345016952E-12 -6.584904873764434E-12 6.87389104925765E-12 1.639403481673746E-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 15.4   n/a MPO449533  
diameter diameter 1.909 km 0.340 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.368   0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85899 (1999 CS53)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1999 CS53 = 2001 SS2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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