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298232 (2002 UA77)
Classification: Main-belt Asteroid          SPK-ID: 2298232
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .196374978787036 7.9164e-08  
a 2.793734111024238 2.4017e-08 au
q 2.245114634235234 2.2978e-07 au
i 2.578678391698318 6.6831e-06 deg
node 151.1943686238401 0.0001324 deg
peri 291.2199119036141 0.00013357 deg
M 293.1544607680524 2.0406e-05 deg
tp 2459517.198468252591
(2021-Oct-29.69846825)
9.892e-05 TDB
period 1705.595465021593
4.67
2.1994e-05
6.022e-08
d
yr
n .211069979595333 2.7218e-09 deg/d
Q 3.342353587813241 2.8733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6505 days (17.81 yr)  
   first obs. used      2002-10-31  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66024  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:25:48  

Additional Information
 Earth MOID = 1.26226 au 
 Jupiter MOID = 1.90636 au 
 T_jup = 3.298 
[ 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 17.00   n/a E2021B55  

298232 (2002 UA77)          Discovered 2002-Oct-31 by NEAT at Palomar
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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