Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.817849E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T14:24:00+0800
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    1 Object 1

    AOE ID 53180
    NORAD ID 53180
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58166
    NORAD ID 58166
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4258 STARLINK-30789
    Time of Closest Approach 2026-10-22T04:36:32+0000
    Collision Probability (Pc) 9.817849E-7
    Conjunction Distance (km) 2.819 km
    Relative Speed (km/s) 7.467 km/s
    Conjunction Risk Parameters R (Radial): 2.496 | I (In-track): 1.145 | C (Cross-track): 0.637
    Collision Risk Index (CRI) 0.35
    X Position (km) -2176.728 -2174.775
    Position Y (km) 4178.7 4177.785
    Position Z (km) -4970.624 -4968.809
    Velocity X (km/s) -7.146 -4.646
    Velocity Y (km/s) -0.668 -5.473
    Velocity Z (km/s) 2.57 -2.57

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4258 STARLINK-30789
    Semimajor Axis (a) 6843.369 km 6840.859 km
    Eccentricity (e) 0.000127 0.000151
    Inclination (i) 53.1579° 53.1572°
    RAAN 184.3474° 258.5254°
    Perigee Argument 94.3574° 88.0210°
    Mean Anomaly (M) 265.7574° 272.0966°
    Apogee 466.104 km 463.757 km
    Perigee 464.360 km 461.687 km
    Orbit Epoch 2026-10-19T01:48:52+0000 2026-10-19T08:19:32+0000

    STARLINK-4258 & STARLINK-30789 Collision Probability (Pc) Trend

    STARLINK-4258 & STARLINK-30789 Collision Probability (Pc) TrendNot Available

    STARLINK-4258 & STARLINK-30789 Miss Distance (Miss Distance) Trend

    STARLINK-4258 & STARLINK-30789 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4258Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30789Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4258Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30789Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4258

    No nearby objects data