Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.295943E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:47:59+0800
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    1 Object 1

    AOE ID 50172
    NORAD ID 50172
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54789
    NORAD ID 54789
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3287 STARLINK-5446
    Time of Closest Approach 2026-10-20T14:57:15+0000
    Collision Probability (Pc) 1.295943E-6
    Conjunction Distance (km) 2.731 km
    Relative Speed (km/s) 11.258 km/s
    Conjunction Risk Parameters R (Radial): 2.589 | I (In-track): -0.589 | C (Cross-track): -0.637
    Collision Risk Index (CRI) 0.37
    X Position (km) -1007.554 -1007.079
    Position Y (km) 5979.477 5981.884
    Position Z (km) 3158.499 3159.697
    Velocity X (km/s) -5.525 -4.658
    Velocity Y (km/s) 1.714 -3.428
    Velocity Z (km/s) -4.989 4.988

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3287 STARLINK-5446
    Semimajor Axis (a) 6840.878 km 6843.328 km
    Eccentricity (e) 0.000125 0.000102
    Inclination (i) 53.1576° 53.1582°
    RAAN 308.1580° 80.8595°
    Perigee Argument 92.6928° 87.2297°
    Mean Anomaly (M) 267.4218° 272.8821°
    Apogee 463.597 km 465.888 km
    Perigee 461.885 km 464.494 km
    Orbit Epoch 2026-10-19T10:11:16+0000 2026-10-19T16:54:13+0000

    STARLINK-3287 & STARLINK-5446 Collision Probability (Pc) Trend

    STARLINK-3287 & STARLINK-5446 Collision Probability (Pc) TrendNot Available

    STARLINK-3287 & STARLINK-5446 Miss Distance (Miss Distance) Trend

    STARLINK-3287 & STARLINK-5446 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3287Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5446Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3287Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5446Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3287

    No nearby objects data