Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.964845E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:14:56+0800
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    1 Object 1

    AOE ID 53413
    NORAD ID 53413
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name TSAT-1A
    AOE ID 59442
    NORAD ID 59442
    Object Type PAYLOAD
    Country
    IN IN

    Conjunction Constraints

    Parameter STARLINK-4500 TSAT-1A
    Time of Closest Approach 2026-10-21T04:56:32+0000
    Collision Probability (Pc) 5.964845E-6
    Conjunction Distance (km) 1.11 km
    Relative Speed (km/s) 2.742 km/s
    Conjunction Risk Parameters R (Radial): -1.016 | I (In-track): -0.438 | C (Cross-track): -0.078
    Collision Risk Index (CRI) 0.51
    X Position (km) 3488.717 3488.574
    Position Y (km) 3450.218 3449.5
    Position Z (km) -4775.261 -4774.427
    Velocity X (km/s) -6.556 -6.049
    Velocity Y (km/s) 2.491 4.488
    Velocity Z (km/s) -2.993 -1.183

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4500 TSAT-1A
    Semimajor Axis (a) 6842.144 km 6836.902 km
    Eccentricity (e) 0.000144 0.000903
    Inclination (i) 53.1596° 45.6131°
    RAAN 182.2914° 156.0806°
    Perigee Argument 100.1696° 106.3996°
    Mean Anomaly (M) 259.9469° 253.7892°
    Apogee 464.992 km 464.936 km
    Perigee 463.022 km 452.594 km
    Orbit Epoch 2026-10-20T06:00:27+0000 2026-10-20T12:12:54+0000

    STARLINK-4500 & TSAT-1A Collision Probability (Pc) Trend

    STARLINK-4500 & TSAT-1A Collision Probability (Pc) TrendNot Available

    STARLINK-4500 & TSAT-1A Miss Distance (Miss Distance) Trend

    STARLINK-4500 & TSAT-1A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4500Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TSAT-1AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4500Collision Probability Trend

    Object 1 Probability TrendNot Available

    TSAT-1ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4500

    No nearby objects data