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91882 (1999 UT48)
Classification: Main-belt Asteroid          SPK-ID: 2091882
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554957041594915 5.4274e-08  
a 2.776790534701815 2.0208e-08 au
q 2.345011535204946 1.5078e-07 au
i 15.97142186161311 5.2284e-06 deg
node 237.2599148632438 2.1145e-05 deg
peri 145.0778129252448 2.744e-05 deg
M 158.518244050177 1.9926e-05 deg
tp 2458256.299668036547
(2018-May-17.79966804)
8.9439e-05 TDB
period 1690.102745662758
4.63
1.845e-05
5.051e-08
d
yr
n .2130048015860891 2.3252e-09 deg/d
Q 3.208569534198685 2.3351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      7512 days (20.57 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:43:37  

Additional Information
 Earth MOID = 1.36744 au 
 Jupiter MOID = 2.27144 au 
 T_jup = 3.261 
[ 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 14.9   n/a MPO468905  
diameter diameter 4.285 km 0.821 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91882 (1999 UT48)          Discovered 1999-Oct-31 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 UT48 = 2000 YK28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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