Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.13978E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T23:23:19+0800
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    1 Object 1

    AOE ID 57447
    NORAD ID 57447
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58702
    NORAD ID 58702
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-30178 TIANMU-1 17
    Time of Closest Approach 2026-09-12T17:56:43+0000
    Collision Probability (Pc) 1.13978E-5
    Conjunction Distance (km) 1.272 km
    Relative Speed (km/s) 14.158 km/s
    Conjunction Risk Parameters R (Radial): 1.147 | I (In-track): -0.195 | C (Cross-track): 0.514
    Collision Risk Index (CRI) 0.56
    X Position (km) 1248.633 1247.934
    Position Y (km) 6261.366 6260.319
    Position Z (km) 2505.176 2505.004
    Velocity X (km/s) -5.537 0.502
    Velocity Y (km/s) 2.868 -2.926
    Velocity Z (km/s) -4.392 7.027

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30178 TIANMU-1 17
    Semimajor Axis (a) 6861.208 km 6861.400 km
    Eccentricity (e) 0.000117 0.000679
    Inclination (i) 43.0011° 97.4644°
    RAAN 302.2455° 79.2461°
    Perigee Argument 280.4318° 64.1797°
    Mean Anomaly (M) 79.6402° 296.0142°
    Apogee 483.874 km 487.922 km
    Perigee 482.268 km 478.604 km
    Orbit Epoch 2026-09-09T10:50:19+0000 2026-09-10T07:40:49+0000

    STARLINK-30178 & TIANMU-1 17 Collision Probability (Pc) Trend

    STARLINK-30178 & TIANMU-1 17 Collision Probability (Pc) TrendNot Available

    STARLINK-30178 & TIANMU-1 17 Miss Distance (Miss Distance) Trend

    STARLINK-30178 & TIANMU-1 17 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30178Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 17Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30178Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 17Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30178

    No nearby objects data