Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    9.12547E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:52:30+0800
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    1 Object 1

    AOE ID 52858
    NORAD ID 52858
    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-4198 TSAT-1A
    Time of Closest Approach 2026-10-20T22:39:26+0000
    Collision Probability (Pc) 9.12547E-5
    Conjunction Distance (km) 0.582 km
    Relative Speed (km/s) 7.326 km/s
    Conjunction Risk Parameters R (Radial): -0.577 | I (In-track): -0.061 | C (Cross-track): 0.026
    Collision Risk Index (CRI) 0.74
    X Position (km) 4242.709 4242.378
    Position Y (km) 2867.303 2867.002
    Position Z (km) -4543.382 -4543.011
    Velocity X (km/s) -0.919 -5.473
    Velocity Y (km/s) 6.759 4.91
    Velocity Z (km/s) 3.411 -2.021

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4198 TSAT-1A
    Semimajor Axis (a) 6841.719 km 6836.923 km
    Eccentricity (e) 0.000117 0.000902
    Inclination (i) 53.1555° 45.6131°
    RAAN 80.8867° 158.5698°
    Perigee Argument 74.2862° 103.3980°
    Mean Anomaly (M) 285.8270° 256.7921°
    Apogee 464.386 km 464.951 km
    Perigee 462.778 km 452.621 km
    Orbit Epoch 2026-10-19T20:19:25+0000 2026-10-20T01:17:12+0000

    STARLINK-4198 & TSAT-1A Collision Probability (Pc) Trend

    STARLINK-4198 & TSAT-1A Collision Probability (Pc) TrendNot Available

    STARLINK-4198 & TSAT-1A Miss Distance (Miss Distance) Trend

    STARLINK-4198 & TSAT-1A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4198Miss 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-4198Collision Probability Trend

    Object 1 Probability TrendNot Available

    TSAT-1ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4198

    No nearby objects data