Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.745403E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T22:24:12+0800
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    1 Object 1

    AOE ID 52452
    NORAD ID 52452
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66701
    NORAD ID 66701
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-3909 IRIDE-MS1-EAG2-7
    Time of Closest Approach 2026-09-08T00:45:58+0000
    Collision Probability (Pc) 3.745403E-6
    Conjunction Distance (km) 1.477 km
    Relative Speed (km/s) 5.764 km/s
    Conjunction Risk Parameters R (Radial): 1.245 | I (In-track): -0.735 | C (Cross-track): 0.299
    Collision Risk Index (CRI) 0.46
    X Position (km) 5550.588 5549.767
    Position Y (km) -4011.486 -4010.645
    Position Z (km) -714.45 -713.556
    Velocity X (km/s) 3.192 0.046
    Velocity Y (km/s) 3.351 -1.251
    Velocity Z (km/s) 6.042 7.507

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3909 IRIDE-MS1-EAG2-7
    Semimajor Axis (a) 6883.572 km 6881.071 km
    Eccentricity (e) 0.000157 0.000621
    Inclination (i) 53.1636° 97.4156°
    RAAN 343.6634° 320.5195°
    Perigee Argument 139.3630° 87.5339°
    Mean Anomaly (M) 220.7484° 272.6608°
    Apogee 506.514 km 507.206 km
    Perigee 504.356 km 498.662 km
    Orbit Epoch 2026-09-04T17:54:27+0000 2026-09-05T03:19:08+0000

    STARLINK-3909 & IRIDE-MS1-EAG2-7 Collision Probability (Pc) Trend

    STARLINK-3909 & IRIDE-MS1-EAG2-7 Collision Probability (Pc) TrendNot Available

    STARLINK-3909 & IRIDE-MS1-EAG2-7 Miss Distance (Miss Distance) Trend

    STARLINK-3909 & IRIDE-MS1-EAG2-7 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3909Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDE-MS1-EAG2-7Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3909Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDE-MS1-EAG2-7Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3909

    No nearby objects data