Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.893307E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T04:12:45+0800
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    1 Object 1

    AOE ID 58661
    NORAD ID 58661
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59210
    NORAD ID 59210
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-31520
    Time of Closest Approach 2026-10-20T14:10:00+0000
    Collision Probability (Pc) 3.893307E-4
    Conjunction Distance (km) 0.353 km
    Relative Speed (km/s) 13.893 km/s
    Conjunction Risk Parameters R (Radial): -0.351 | I (In-track): 0.018 | C (Cross-track): 0.014
    Collision Risk Index (CRI) 0.87
    X Position (km) 2436.277 2436.42
    Position Y (km) 4100.912 4101.109
    Position Z (km) -4912.221 -4912.475
    Velocity X (km/s) 3.966 -7.063
    Velocity Y (km/s) 3.896 0.962
    Velocity Z (km/s) 5.217 -2.703

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-31520
    Semimajor Axis (a) 6840.619 km 6840.923 km
    Eccentricity (e) 0.000582 0.000339
    Inclination (i) 97.4553° 53.1564°
    RAAN 49.4364° 200.2131°
    Perigee Argument 234.3622° 90.0511°
    Mean Anomaly (M) 125.7079° 270.0880°
    Apogee 466.466 km 465.105 km
    Perigee 458.498 km 460.467 km
    Orbit Epoch 2026-10-18T12:17:14+0000 2026-10-18T03:16:05+0000

    TIANMU-1 20 & STARLINK-31520 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-31520 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-31520 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-31520 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31520Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31520Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data