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190892 (2001 UA4)
Classification: Main-belt Asteroid          SPK-ID: 2190892
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029908466744312 4.1738e-08  
a 2.347809039146973 6.775e-09 au
q 1.871225294460646 9.7928e-08 au
i 1.582539930018513 4.3474e-06 deg
node 179.8124182647592 0.00014562 deg
peri 217.4748103844116 0.00014594 deg
M 120.0304890205691 8.5842e-06 deg
tp 2458762.391522372150
(2019-Oct-05.89152237)
3.1246e-05 TDB
period 1313.991580247568
3.60
5.6876e-06
1.557e-08
d
yr
n .2739743582924425 1.1859e-09 deg/d
Q 2.8243927838333 8.1502e-09 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      6748 days (18.48 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:57:22  

Additional Information
 Earth MOID = .877707 au 
 Jupiter MOID = 2.5982 au 
 T_jup = 3.531 
[ 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 16.76   n/a E2021B55  

190892 (2001 UA4)          Discovered 2001-Oct-17 by Yeung, W. K. Y. at Desert Eagle
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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