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85894 (1999 CH48)
Classification: Main-belt Asteroid          SPK-ID: 2085894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1425026109908321 4.6321e-08  
a 2.719866400154692 1.8305e-08 au
q 2.332278336586413 1.2739e-07 au
i 3.505507392533346 5.2939e-06 deg
node 356.0822567208855 7.1792e-05 deg
peri 194.9989129676843 7.342e-05 deg
M 149.1690069749915 1.6453e-05 deg
tp 2457921.615516291603
(2017-Jun-17.11551629)
7.287e-05 TDB
period 1638.399417487553
4.49
1.654e-05
4.528e-08
d
yr
n .2197266406210346 2.2182e-09 deg/d
Q 3.107454463722971 2.0914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7580 days (20.75 yr)  
   first obs. used      1999-01-26  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53822  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:15:28  

Additional Information
 Earth MOID = 1.33302 au 
 Jupiter MOID = 1.85472 au 
 T_jup = 3.342 
[ show covariance matrix ]

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 15.7   n/a MPO453290  
diameter diameter 4.560 km 0.645 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85894 (1999 CH48)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CH48 = 2002 XS93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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