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102591 (1999 UP57)
Classification: Main-belt Asteroid          SPK-ID: 2102591
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107991216713984 5.9438e-08  
a 2.138886067829396 9.2017e-09 au
q 1.901899370158707 1.3212e-07 au
i 1.016843287854709 5.4282e-06 deg
node 53.77883207880491 0.00020667 deg
peri 204.305674945723 0.00020765 deg
M 50.39781994001408 1.7219e-05 deg
tp 2459040.548191776145
(2020-Jul-10.04819178)		 5.4957e-05 TDB
period 1142.562337599629
3.13		 7.3732e-06
2.019e-08		 d
yr
n .315081276664792 2.0333e-09 deg/d
Q 2.375872765500084 1.0221e-08 au
   Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      8615 days (23.59 yr)  
   first obs. used      1996-12-12  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59005  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:53:50  

Additional Information
 Earth MOID = .885108 au 
 Jupiter MOID = 2.65786 au 
 T_jup = 3.707 
[ 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 17.69   n/a E2021B55  

102591 (1999 UP57)          Discovered 1999-Oct-29 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 UP57 = 1998 HZ80 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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