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91878 (1999 UV45)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091878
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05637633996084253 4.6893e-08  
a 3.212512404270425 2.8094e-08 au
q 3.031402712838852 1.5069e-07 au
i 10.38392195050503 6.5243e-06 deg
node 357.6691034272105 2.7495e-05 deg
peri 75.91044214229595 6.6548e-05 deg
M 176.2467715814236 5.9493e-05 deg
tp 2457970.862582870827
(2017-Aug-05.36258287)
0.00034597 TDB
period 2103.127715989158
5.76
2.7589e-05
7.553e-08
d
yr
n .1711736273850978 2.2454e-09 deg/d
Q 3.393622095701998 2.9678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      7536 days (20.63 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:41:47  

Additional Information
 Earth MOID = 2.06709 au 
 Jupiter MOID = 1.78215 au 
 T_jup = 3.163 
[ 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 14.2   n/a MPO474798  
diameter diameter 8.483 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91878 (1999 UV45)          Discovered 1999-Oct-31 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 UV45 = 2001 DQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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