Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.65345E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:17:53+0800
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    1 Object 1

    AOE ID 57608
    NORAD ID 57608
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57977
    NORAD ID 57977
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30258 STARLINK-30509
    Time of Closest Approach 2026-10-29T12:03:10+0000
    Collision Probability (Pc) 3.65345E-6
    Conjunction Distance (km) 1.57 km
    Relative Speed (km/s) 7.437 km/s
    Conjunction Risk Parameters R (Radial): 0.968 | I (In-track): 1.078 | C (Cross-track): 0.605
    Collision Risk Index (CRI) 0.46
    X Position (km) 2348.979 2348.183
    Position Y (km) 5247.545 5248.791
    Position Z (km) -3743.534 -3744.06
    Velocity X (km/s) -6.905 -5.243
    Velocity Y (km/s) 0.864 4.569
    Velocity Z (km/s) -3.112 3.118

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30258 STARLINK-30509
    Semimajor Axis (a) 6861.156 km 6860.840 km
    Eccentricity (e) 0.001067 0.000326
    Inclination (i) 42.9797° 43.0044°
    RAAN 214.6934° 123.0909°
    Perigee Argument 280.4991° 268.5140°
    Mean Anomaly (M) 79.4658° 91.5338°
    Apogee 490.342 km 484.940 km
    Perigee 475.696 km 480.466 km
    Orbit Epoch 2026-10-27T04:06:43+0000 2026-10-27T05:21:53+0000

    STARLINK-30258 & STARLINK-30509 Collision Probability (Pc) Trend

    STARLINK-30258 & STARLINK-30509 Collision Probability (Pc) TrendNot Available

    STARLINK-30258 & STARLINK-30509 Miss Distance (Miss Distance) Trend

    STARLINK-30258 & STARLINK-30509 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30258Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30509Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30258Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30509Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30258

    No nearby objects data