Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.276033E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:31:00+0800
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    1 Object 1

    AOE ID 47126
    NORAD ID 47126
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57897
    NORAD ID 57897
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1812 STARLINK-30474
    Time of Closest Approach 2026-10-21T21:12:08+0000
    Collision Probability (Pc) 9.276033E-6
    Conjunction Distance (km) 1.271 km
    Relative Speed (km/s) 10.534 km/s
    Conjunction Risk Parameters R (Radial): -0.246 | I (In-track): -0.899 | C (Cross-track): -0.862
    Collision Risk Index (CRI) 0.54
    X Position (km) 5056.415 5057.387
    Position Y (km) -3848.196 -3847.377
    Position Z (km) -2591.784 -2591.757
    Velocity X (km/s) 4.733 2.241
    Velocity Y (km/s) 2.608 5.859
    Velocity Z (km/s) 5.374 -4.33

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1812 STARLINK-30474
    Semimajor Axis (a) 6859.469 km 6861.202 km
    Eccentricity (e) 0.000089 0.000193
    Inclination (i) 53.0941° 42.9992°
    RAAN 348.4420° 128.4527°
    Perigee Argument 61.7211° 261.6521°
    Mean Anomaly (M) 298.3879° 98.4113°
    Apogee 481.945 km 484.387 km
    Perigee 480.719 km 481.743 km
    Orbit Epoch 2026-10-20T04:30:58+0000 2026-10-19T19:37:27+0000

    STARLINK-1812 & STARLINK-30474 Collision Probability (Pc) Trend

    STARLINK-1812 & STARLINK-30474 Collision Probability (Pc) TrendNot Available

    STARLINK-1812 & STARLINK-30474 Miss Distance (Miss Distance) Trend

    STARLINK-1812 & STARLINK-30474 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1812Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30474Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1812Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30474Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1812

    No nearby objects data