Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.544853E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:57:39+0800
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    1 Object 1

    AOE ID 57974
    NORAD ID 57974
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66496
    NORAD ID 66496
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30489 STARLINK-35909
    Time of Closest Approach 2026-10-30T03:53:18+0000
    Collision Probability (Pc) 1.544853E-6
    Conjunction Distance (km) 1.497 km
    Relative Speed (km/s) 1.353 km/s
    Conjunction Risk Parameters R (Radial): -0.551 | I (In-track): -1.385 | C (Cross-track): -0.122
    Collision Risk Index (CRI) 0.39
    X Position (km) -4969.027 -4968.851
    Position Y (km) -815.917 -814.479
    Position Z (km) 4651.933 4651.56
    Velocity X (km/s) 0.771 1.677
    Velocity Y (km/s) -7.57 -7.424
    Velocity Z (km/s) -0.501 0.493

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30489 STARLINK-35909
    Semimajor Axis (a) 6860.092 km 6861.094 km
    Eccentricity (e) 0.000489 0.000214
    Inclination (i) 43.0012° 42.9913°
    RAAN 108.5015° 123.4251°
    Perigee Argument 279.5062° 302.9360°
    Mean Anomaly (M) 80.5237° 57.1286°
    Apogee 485.309 km 484.425 km
    Perigee 478.601 km 481.489 km
    Orbit Epoch 2026-10-27T04:52:44+0000 2026-10-27T04:54:21+0000

    STARLINK-30489 & STARLINK-35909 Collision Probability (Pc) Trend

    STARLINK-30489 & STARLINK-35909 Collision Probability (Pc) TrendNot Available

    STARLINK-30489 & STARLINK-35909 Miss Distance (Miss Distance) Trend

    STARLINK-30489 & STARLINK-35909 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30489Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35909Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30489Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35909Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30489

    No nearby objects data