Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.24408E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:41:16+0800
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    1 Object 1

    AOE ID 53479
    NORAD ID 53479
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53533
    NORAD ID 53533
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4436 STARLINK-4493
    Time of Closest Approach 2026-09-12T17:48:59+0000
    Collision Probability (Pc) 1.24408E-6
    Conjunction Distance (km) 2.644 km
    Relative Speed (km/s) 9.642 km/s
    Conjunction Risk Parameters R (Radial): -2.626 | I (In-track): -0.228 | C (Cross-track): -0.18
    Collision Risk Index (CRI) 0.37
    X Position (km) 4437.429 4438.929
    Position Y (km) 379.164 379.434
    Position Z (km) 5189.866 5192.026
    Velocity X (km/s) -5.542 -2.85
    Velocity Y (km/s) -1.966 6.814
    Velocity Z (km/s) 4.87 1.933

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4436 STARLINK-4493
    Semimajor Axis (a) 6843.691 km 6848.874 km
    Eccentricity (e) 0.000095 0.000124
    Inclination (i) 97.2864° 53.1609°
    RAAN 12.0347° 309.5249°
    Perigee Argument 99.9320° 84.7510°
    Mean Anomaly (M) 260.2031° 275.3633°
    Apogee 466.207 km 471.588 km
    Perigee 464.901 km 469.886 km
    Orbit Epoch 2026-09-11T07:08:42+0000 2026-09-11T13:19:03+0000

    STARLINK-4436 & STARLINK-4493 Collision Probability (Pc) Trend

    STARLINK-4436 & STARLINK-4493 Collision Probability (Pc) TrendNot Available

    STARLINK-4436 & STARLINK-4493 Miss Distance (Miss Distance) Trend

    STARLINK-4436 & STARLINK-4493 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4436Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4493Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4436Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4493Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4436

    No nearby objects data