Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.760792E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:58:20+0800
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    1 Object 1

    AOE ID 53861
    NORAD ID 53861
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60470
    NORAD ID 60470
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter STARLINK-4781 PHISAT 2
    Time of Closest Approach 2026-10-21T03:05:23+0000
    Collision Probability (Pc) 4.760792E-5
    Conjunction Distance (km) 0.724 km
    Relative Speed (km/s) 7.22 km/s
    Conjunction Risk Parameters R (Radial): -0.33 | I (In-track): -0.569 | C (Cross-track): -0.299
    Collision Risk Index (CRI) 0.69
    X Position (km) 5528.749 5528.859
    Position Y (km) 720.674 720.47
    Position Z (km) 3969.32 3968.635
    Velocity X (km/s) -3.704 -4.189
    Velocity Y (km/s) 5.183 -1.757
    Velocity Z (km/s) 4.206 6.134

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4781 PHISAT 2
    Semimajor Axis (a) 6848.865 km 6846.428 km
    Eccentricity (e) 0.000060 0.000271
    Inclination (i) 53.1611° 97.3663°
    RAAN 348.8826° 9.7772°
    Perigee Argument 79.1313° 130.0515°
    Mean Anomaly (M) 280.9755° 230.0965°
    Apogee 471.138 km 470.148 km
    Perigee 470.318 km 466.434 km
    Orbit Epoch 2026-10-18T04:25:02+0000 2026-10-18T04:25:03+0000

    STARLINK-4781 & PHISAT 2 Collision Probability (Pc) Trend

    STARLINK-4781 & PHISAT 2 Collision Probability (Pc) TrendNot Available

    STARLINK-4781 & PHISAT 2 Miss Distance (Miss Distance) Trend

    STARLINK-4781 & PHISAT 2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4781Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PHISAT 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4781Collision Probability Trend

    Object 1 Probability TrendNot Available

    PHISAT 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4781

    No nearby objects data