Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    9.059196E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:49:52+0800
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    1 Object 1

    AOE ID 52564
    NORAD ID 52564
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55053
    NORAD ID 55053
    Object Type PAYLOAD
    Country
    ZA ZA

    Conjunction Constraints

    Parameter STARLINK-3959 EOSSAT-1
    Time of Closest Approach 2026-10-18T19:00:12+0000
    Collision Probability (Pc) 9.059196E-5
    Conjunction Distance (km) 0.681 km
    Relative Speed (km/s) 14.271 km/s
    Conjunction Risk Parameters R (Radial): -0.636 | I (In-track): 0.088 | C (Cross-track): -0.223
    Collision Risk Index (CRI) 0.74
    X Position (km) -5150.368 -5149.872
    Position Y (km) 1348.487 1348.14
    Position Z (km) -4316.868 -4316.558
    Velocity X (km/s) -4.44 4.892
    Velocity Y (km/s) -4.92 0.009
    Velocity Z (km/s) 3.765 -5.84

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3959 EOSSAT-1
    Semimajor Axis (a) 6848.874 km 6840.247 km
    Eccentricity (e) 0.000173 0.000994
    Inclination (i) 53.1603° 97.3087°
    RAAN 206.6712° 350.7479°
    Perigee Argument 91.7914° 45.2178°
    Mean Anomaly (M) 268.3285° 314.9872°
    Apogee 471.920 km 468.907 km
    Perigee 469.554 km 455.313 km
    Orbit Epoch 2026-10-17T22:52:17+0000 2026-10-18T05:31:54+0000

    STARLINK-3959 & EOSSAT-1 Collision Probability (Pc) Trend

    STARLINK-3959 & EOSSAT-1 Collision Probability (Pc) TrendNot Available

    STARLINK-3959 & EOSSAT-1 Miss Distance (Miss Distance) Trend

    STARLINK-3959 & EOSSAT-1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3959Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    EOSSAT-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3959Collision Probability Trend

    Object 1 Probability TrendNot Available

    EOSSAT-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3959

    No nearby objects data