Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.511933E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T19:01:41+0800
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    1 Object 1

    Name R5-S9
    AOE ID 69901
    NORAD ID 69901
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name MARINA
    AOE ID 69920
    NORAD ID 69920
    Object Type PAYLOAD
    Country
    SK SK

    Conjunction Constraints

    Parameter R5-S9 MARINA
    Time of Closest Approach 2026-10-19T18:31:58+0000
    Collision Probability (Pc) 2.511933E-7
    Conjunction Distance (km) 2.662 km
    Relative Speed (km/s) 0.021 km/s
    Conjunction Risk Parameters R (Radial): 2.43 | I (In-track): -0.973 | C (Cross-track): 0.486
    Collision Risk Index (CRI) 0.23
    X Position (km) -357.53 -356.357
    Position Y (km) 885.22 884.637
    Position Z (km) 6896.018 6893.701
    Velocity X (km/s) 7.411 7.408
    Velocity Y (km/s) 1.512 1.531
    Velocity Z (km/s) 0.187 0.181

    Orbital Parameters 国际轨道数据源

    Parameter R5-S9 MARINA
    Semimajor Axis (a) 6972.236 km 6968.954 km
    Eccentricity (e) 0.000559 0.000765
    Inclination (i) 97.7426° 97.7424°
    RAAN 190.7304° 190.4210°
    Perigee Argument 130.8172° 158.9147°
    Mean Anomaly (M) 229.3532° 201.2389°
    Apogee 597.997 km 596.152 km
    Perigee 590.201 km 585.482 km
    Orbit Epoch 2026-10-19T03:38:38+0000 2026-10-18T16:23:21+0000

    R5-S9 & MARINA Collision Probability (Pc) Trend

    R5-S9 & MARINA Collision Probability (Pc) TrendNot Available

    R5-S9 & MARINA Miss Distance (Miss Distance) Trend

    R5-S9 & MARINA Miss Distance (Miss Distance) TrendNot Available

    R5-S9Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    MARINAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    R5-S9Collision Probability Trend

    Object 1 Probability TrendNot Available

    MARINACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with R5-S9

    No nearby objects data