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91863 (1999 UV23)
Classification: Main-belt Asteroid          SPK-ID: 2091863
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289526157501845 4.8882e-08  
a 2.658863100141649 1.4202e-08 au
q 2.315995748456739 1.3029e-07 au
i 10.57663993106672 5.4068e-06 deg
node 352.5060933692113 2.2406e-05 deg
peri 149.4600795793898 2.897e-05 deg
M 169.0549129503359 1.7485e-05 deg
tp 2458256.851531471945
(2018-May-18.35153147)
7.5983e-05 TDB
period 1583.5886931529
4.34
1.2688e-05
3.474e-08
d
yr
n .2273317570127668 1.8215e-09 deg/d
Q 3.00173045182656 1.6034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      7634 days (20.90 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:20:20  

Additional Information
 Earth MOID = 1.3341 au 
 Jupiter MOID = 2.01154 au 
 T_jup = 3.351 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO439646  
diameter diameter 3.707 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.222   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91863 (1999 UV23)          Discovered 1999-Oct-28 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 UV23 = 2000 XN49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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