Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    6.173612E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:21:28+0800
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    1 Object 1

    AOE ID 57477
    NORAD ID 57477
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59250
    NORAD ID 59250
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30176 STARLINK-31407
    Time of Closest Approach 2026-09-13T03:22:52+0000
    Collision Probability (Pc) 6.173612E-4
    Conjunction Distance (km) 0.228 km
    Relative Speed (km/s) 10.189 km/s
    Conjunction Risk Parameters R (Radial): 0.092 | I (In-track): 0.155 | C (Cross-track): -0.138
    Collision Risk Index (CRI) 0.91
    X Position (km) -6522.566 -6522.427
    Position Y (km) 1693.25 1693.429
    Position Z (km) 1281.189 1281.172
    Velocity X (km/s) -2.353 -0.5
    Velocity Y (km/s) -5.253 -5.735
    Velocity Z (km/s) -5.004 5.003

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30176 STARLINK-31407
    Semimajor Axis (a) 6861.107 km 6861.173 km
    Eccentricity (e) 0.000108 0.000063
    Inclination (i) 43.0035° 42.9982°
    RAAN 20.2916° 164.7721°
    Perigee Argument 261.4325° 280.8500°
    Mean Anomaly (M) 98.6404° 79.2281°
    Apogee 483.709 km 483.466 km
    Perigee 482.231 km 482.606 km
    Orbit Epoch 2026-09-09T01:22:37+0000 2026-09-11T04:14:02+0000

    STARLINK-30176 & STARLINK-31407 Collision Probability (Pc) Trend

    STARLINK-30176 & STARLINK-31407 Collision Probability (Pc) TrendNot Available

    STARLINK-30176 & STARLINK-31407 Miss Distance (Miss Distance) Trend

    STARLINK-30176 & STARLINK-31407 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30176Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31407Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30176Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31407Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30176

    No nearby objects data