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190330 (1998 RO25)
Classification: Main-belt Asteroid          SPK-ID: 2190330
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1623159574386664 4.6257e-08  
a 2.2384082361391 9.6714e-09 au
q 1.875078860151586 1.0455e-07 au
i 5.869070619675511 5.014e-06 deg
node 352.4533402702093 4.258e-05 deg
peri 357.008579213432 4.45e-05 deg
M 229.2316254854006 1.4195e-05 deg
tp 2459644.832002738792
(2022-Mar-06.33200274)
4.9389e-05 TDB
period 1223.227875850875
3.35
7.9277e-06
2.17e-08
d
yr
n .2943032995790621 1.9074e-09 deg/d
Q 2.601737612126614 1.1241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      7875 days (21.56 yr)  
   first obs. used      1998-08-30  
   last obs. used      2020-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:11  

Additional Information
 Earth MOID = .867142 au 
 Jupiter MOID = 2.81418 au 
 T_jup = 3.612 
[ 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 17.27   n/a E2021B55  

190330 (1998 RO25)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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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
1923-Apr-06 22:17 00:25 Amphi 0.0239029081519571 0.0238977247755424 0.0239080947801388 1.70981007329925 1.70980993263801 2423516.428318799 24.6636041070039 523.415864902144 70.790903837245 -61.4798676195266 44378.0988878289 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 22:07:12 2021-Apr-13 22:07
2053-Dec-05 05:37 00:12 Amphi 0.0226404483213829 0.0226372388937762 0.0226436582330308 1.70584266010761 1.70584251125753 2471241.734066638 11.6587229660663 242.983931624512 70.53019402503 -52.0377062798867 38710.5344998471 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 22:07:12 2021-Apr-13 22:07
2184-Aug-04 21:45 00:50 Amphi 0.0222570587997284 0.022242848955452 0.0222712752563758 1.70107211069983 1.7010719588611 2518966.406063997 49.8629648949015 930.220013378149 70.2523261434613 -40.7467112466932 30965.984139219 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 22:07:12 2021-Apr-13 22:07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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