Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.573202E-6
    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 2026-10-21T21:35:29+0000
    Collision Probability (Pc) 4.573202E-6
    Conjunction Distance (km) 1.063 km
    Relative Speed (km/s) 1.336 km/s
    Conjunction Risk Parameters R (Radial): -0.315 | I (In-track): 1.011 | C (Cross-track): 0.089
    Collision Risk Index (CRI) 0.48
    X Position (km) 4027.65 4028.073
    Position Y (km) -3020.399 -3019.449
    Position Z (km) 4652.906 4652.691
    Velocity X (km/s) 4.921 4.195
    Velocity Y (km/s) 5.806 6.352
    Velocity Z (km/s) -0.489 0.49

    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