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102580 (1999 UC44)
Classification: Main-belt Asteroid          SPK-ID: 2102580
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1254320522523294 3.342e-08  
a 2.187187769066751 7.5508e-09 au
q 1.912844318531515 7.2665e-08 au
i 4.578153494768578 3.1319e-06 deg
node 254.9563386982078 5.3688e-05 deg
peri 156.7156571144901 5.6056e-05 deg
M 120.4293719301524 1.6841e-05 deg
tp 2458605.263130811363
(2019-May-01.76313081)		 5.449e-05 TDB
period 1181.483143418146
3.23		 6.1182e-06
1.675e-08		 d
yr
n .304701765747148 1.5779e-09 deg/d
Q 2.461531219601987 8.4979e-09 au
   Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7528 days (20.61 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:53:54  

Additional Information
 Earth MOID = .924841 au 
 Jupiter MOID = 2.85562 au 
 T_jup = 3.661 
[ 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 16.81   n/a E2021B55  

102580 (1999 UC44)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 UC44 = 2002 PN116 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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