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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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1973-May-28 17:43 00:02 Jupiter 1.95748424784731 1.95748346020151 1.95748503549278 2.20994911080172 2.00460858546013 2441831.238457922 1.71147330382713 91.2274911763347 12.6639035127344 -87.4552088012413 1296973.19077689 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 05:25:49 2021-Apr-14 05:25
1996-Jun-12 19:25 < 00:01 Jupiter 1.91421990648922 1.91421927808077 1.91422053489692 1.79035156929315 1.52327916887481 2450247.309291296 0.803718927477571 82.5914254045553 54.8649215489653 89.2214978731964 1308194.4278508 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 05:25:49 2021-Apr-14 05:25
2019-Jun-30 19:59 < 00:01 Jupiter 1.95524089155006 1.95524029727198 1.95524148582747 1.77266197725889 1.50861461295277 2458665.332547157 0.352815872458531 83.0488893829863 56.6172572141349 -82.9161108603901 1340519.58948991 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 05:25:49 2021-Apr-14 05:25
2127-Jun-21 08:59 00:04 Jupiter 1.92225894512222 1.92225800957031 1.92225988067412 2.00649829894711 1.77334631746978 2498101.873983995 4.05801864050259 155.345850421671 37.464586935569 -69.3081488942088 1062160.99127193 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 05:25:49 2021-Apr-14 05:25
2150-Jul-09 08:07 00:05 Jupiter 1.90604450668328 1.90604383005585 1.90604518331039 1.72321228911815 1.44245811990067 2506520.838390478 4.93816744900248 115.369224678503 80.1157944866075 -44.8647314591887 1209391.19190423 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 05:25:49 2021-Apr-14 05:25
2173-Jul-24 14:17 00:06 Jupiter 1.99033973474467 1.99033789471841 1.99034157477037 1.86893954169329 1.62536193237271 2514937.095192913 5.9397551486547 141.03541530433 36.7491202350614 88.7415370278541 1169479.17131341 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 05:25:49 2021-Apr-14 05:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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