Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.557306E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:06:00+0800
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    1 Object 1

    AOE ID 58494
    NORAD ID 58494
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66488
    NORAD ID 66488
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30981 STARLINK-35515
    Time of Closest Approach 2026-10-22T10:09:11+0000
    Collision Probability (Pc) 2.557306E-6
    Conjunction Distance (km) 1.7 km
    Relative Speed (km/s) 6.181 km/s
    Conjunction Risk Parameters R (Radial): 0.213 | I (In-track): -1.543 | C (Cross-track): 0.679
    Collision Risk Index (CRI) 0.43
    X Position (km) 617.988 616.332
    Position Y (km) -5450.105 -5450.468
    Position Z (km) 4113.037 4113.16
    Velocity X (km/s) 6.72 7.138
    Velocity Y (km/s) 2.63 -1.061
    Velocity Z (km/s) 2.47 -2.469

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30981 STARLINK-35515
    Semimajor Axis (a) 6861.243 km 6861.156 km
    Eccentricity (e) 0.000110 0.000154
    Inclination (i) 43.0020° 42.9985°
    RAAN 235.5170° 163.8278°
    Perigee Argument 273.7479° 266.4570°
    Mean Anomaly (M) 86.3247° 93.6105°
    Apogee 483.858 km 484.077 km
    Perigee 482.354 km 481.961 km
    Orbit Epoch 2026-10-20T04:31:45+0000 2026-10-19T23:34:37+0000

    STARLINK-30981 & STARLINK-35515 Collision Probability (Pc) Trend

    STARLINK-30981 & STARLINK-35515 Collision Probability (Pc) TrendNot Available

    STARLINK-30981 & STARLINK-35515 Miss Distance (Miss Distance) Trend

    STARLINK-30981 & STARLINK-35515 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30981Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35515Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30981Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35515Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30981

    No nearby objects data