Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.869262E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:53:00+0800
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    1 Object 1

    AOE ID 58480
    NORAD ID 58480
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63859
    NORAD ID 63859
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30984 STARLINK-33821
    Time of Closest Approach 2026-10-21T20:01:20+0000
    Collision Probability (Pc) 8.869262E-7
    Conjunction Distance (km) 1.84 km
    Relative Speed (km/s) 1.336 km/s
    Conjunction Risk Parameters R (Radial): -0.307 | I (In-track): -1.806 | C (Cross-track): -0.159
    Collision Risk Index (CRI) 0.34
    X Position (km) 4047.95 4046.69
    Position Y (km) -2993.282 -2994.606
    Position Z (km) 4652.816 4652.607
    Velocity X (km/s) 4.883 4.155
    Velocity Y (km/s) 5.839 6.378
    Velocity Z (km/s) -0.491 0.491

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30984 STARLINK-33821
    Semimajor Axis (a) 6861.217 km 6861.146 km
    Eccentricity (e) 0.000123 0.000132
    Inclination (i) 43.0020° 43.0018°
    RAAN 241.0084° 255.0054°
    Perigee Argument 265.7682° 271.6588°
    Mean Anomaly (M) 94.3029° 88.4112°
    Apogee 483.924 km 483.917 km
    Perigee 482.236 km 482.101 km
    Orbit Epoch 2026-10-19T04:50:09+0000 2026-10-19T08:01:26+0000

    STARLINK-30984 & STARLINK-33821 Collision Probability (Pc) Trend

    STARLINK-30984 & STARLINK-33821 Collision Probability (Pc) TrendNot Available

    STARLINK-30984 & STARLINK-33821 Miss Distance (Miss Distance) Trend

    STARLINK-30984 & STARLINK-33821 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30984Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30984Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30984

    No nearby objects data