Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.871415E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T14:09:03+0800
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    1 Object 1

    AOE ID 48449
    NORAD ID 48449
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 51990
    NORAD ID 51990
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2655 STARLINK-3657
    Time of Closest Approach 2026-10-22T04:07:00+0000
    Collision Probability (Pc) 4.871415E-6
    Conjunction Distance (km) 1.569 km
    Relative Speed (km/s) 11.428 km/s
    Conjunction Risk Parameters R (Radial): 1.462 | I (In-track): -0.377 | C (Cross-track): 0.427
    Collision Risk Index (CRI) 0.49
    X Position (km) -4407.718 -4409.058
    Position Y (km) -4323.059 -4323.577
    Position Z (km) 2935.154 2935.782
    Velocity X (km/s) 5.31 1.793
    Velocity Y (km/s) -1.896 -5.343
    Velocity Z (km/s) 5.155 -5.156

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2655 STARLINK-3657
    Semimajor Axis (a) 6839.848 km 6840.884 km
    Eccentricity (e) 0.000462 0.000139
    Inclination (i) 53.1568° 53.1632°
    RAAN 212.4253° 73.6650°
    Perigee Argument 111.0768° 79.3579°
    Mean Anomaly (M) 249.0729° 280.7580°
    Apogee 464.869 km 463.700 km
    Perigee 458.553 km 461.794 km
    Orbit Epoch 2026-10-20T06:39:16+0000 2026-10-20T09:16:08+0000

    STARLINK-2655 & STARLINK-3657 Collision Probability (Pc) Trend

    STARLINK-2655 & STARLINK-3657 Collision Probability (Pc) TrendNot Available

    STARLINK-2655 & STARLINK-3657 Miss Distance (Miss Distance) Trend

    STARLINK-2655 & STARLINK-3657 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2655Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3657Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2655Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3657Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2655

    No nearby objects data