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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .196405801522481 7.9149e-08  
a 2.793330001096106 2.3781e-08 au
q 2.244703783314033 2.2971e-07 au
i 2.57878329817312 6.6833e-06 deg
node 151.1959389282775 0.00013241 deg
peri 291.2754230436599 0.00013358 deg
M 334.4851260665824 2.0716e-05 deg
tp 2459517.357253805546
(2021-Oct-29.85725381)		 9.8985e-05 TDB
period 1705.225410226775
4.67		 2.1776e-05
5.962e-08		 d
yr
n .2111157843654958 2.6959e-09 deg/d
Q 3.34195621887818 2.8451e-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 = 1.26217 au 
 Jupiter MOID = 1.90706 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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