Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.383441E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T23:57:54+0800
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    1 Object 1

    AOE ID 53565
    NORAD ID 53565
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58661
    NORAD ID 58661
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4575 TIANMU-1 20
    Time of Closest Approach 2026-10-21T18:21:51+0000
    Collision Probability (Pc) 3.383441E-6
    Conjunction Distance (km) 1.624 km
    Relative Speed (km/s) 7.736 km/s
    Conjunction Risk Parameters R (Radial): 1.495 | I (In-track): 0.547 | C (Cross-track): 0.321
    Collision Risk Index (CRI) 0.46
    X Position (km) 2714.262 2714.856
    Position Y (km) 4511.494 4512.92
    Position Z (km) -4375.897 -4376.397
    Velocity X (km/s) -3.524 3.579
    Velocity Y (km/s) 5.679 3.454
    Velocity Z (km/s) 3.673 5.779

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4575 TIANMU-1 20
    Semimajor Axis (a) 6840.852 km 6840.536 km
    Eccentricity (e) 0.000155 0.000593
    Inclination (i) 53.1558° 97.4553°
    RAAN 106.3063° 51.2150°
    Perigee Argument 88.8564° 227.1702°
    Mean Anomaly (M) 271.2616° 132.9044°
    Apogee 463.774 km 466.453 km
    Perigee 461.656 km 458.345 km
    Orbit Epoch 2026-10-19T21:15:38+0000 2026-10-20T06:32:37+0000

    STARLINK-4575 & TIANMU-1 20 Collision Probability (Pc) Trend

    STARLINK-4575 & TIANMU-1 20 Collision Probability (Pc) TrendNot Available

    STARLINK-4575 & TIANMU-1 20 Miss Distance (Miss Distance) Trend

    STARLINK-4575 & TIANMU-1 20 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4575Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4575Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4575

    No nearby objects data