Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.522891E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T17:30:04+0800
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    1 Object 1

    Name RISAT 1
    AOE ID 38248
    NORAD ID 38248
    Object Type PAYLOAD
    Country
    IN IN
    ← VS →

    2 Object 2

    AOE ID 53467
    NORAD ID 53467
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter RISAT 1 STARLINK-4394
    Time of Closest Approach 2026-10-31T13:30:07+0000
    Collision Probability (Pc) 1.522891E-6
    Conjunction Distance (km) 2.338 km
    Relative Speed (km/s) 9.435 km/s
    Conjunction Risk Parameters R (Radial): -1.606 | I (In-track): 1.343 | C (Cross-track): -1.039
    Collision Risk Index (CRI) 0.39
    X Position (km) 712.574 714.051
    Position Y (km) -833.354 -832.467
    Position Z (km) 6581.554 6583.135
    Velocity X (km/s) -7.678 -1.706
    Velocity Y (km/s) -0.357 -7.496
    Velocity Z (km/s) 0.785 -0.76

    Orbital Parameters 国际轨道数据源

    Parameter RISAT 1 STARLINK-4394
    Semimajor Axis (a) 6680.092 km 6682.408 km
    Eccentricity (e) 0.000025 0.000152
    Inclination (i) 97.4096° 97.5432°
    RAAN 1.4058° 77.0697°
    Perigee Argument 348.1910° 41.5871°
    Mean Anomaly (M) 11.9357° 318.5516°
    Apogee 302.122 km 305.285 km
    Perigee 301.788 km 303.257 km
    Orbit Epoch 2026-10-31T02:34:40+0000 2026-10-30T18:58:07+0000

    RISAT 1 & STARLINK-4394 Collision Probability (Pc) Trend

    RISAT 1 & STARLINK-4394 Collision Probability (Pc) TrendNot Available

    RISAT 1 & STARLINK-4394 Miss Distance (Miss Distance) Trend

    RISAT 1 & STARLINK-4394 Miss Distance (Miss Distance) TrendNot Available

    RISAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4394Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    RISAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4394Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with RISAT 1

    No nearby objects data