Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.018057E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T12:26:32+0800
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    1 Object 1

    AOE ID 48412
    NORAD ID 48412
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54785
    NORAD ID 54785
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2581 STARLINK-5440
    Time of Closest Approach 2026-11-01T12:39:50+0000
    Collision Probability (Pc) 1.018057E-6
    Conjunction Distance (km) 2.667 km
    Relative Speed (km/s) 6.947 km/s
    Conjunction Risk Parameters R (Radial): 0.482 | I (In-track): -2.337 | C (Cross-track): 1.189
    Collision Risk Index (CRI) 0.35
    X Position (km) 3596.426 3594.533
    Position Y (km) 2870.606 2872.451
    Position Z (km) 5052.808 5052.454
    Velocity X (km/s) -2.237 -6.256
    Velocity Y (km/s) 6.921 3.711
    Velocity Z (km/s) -2.334 2.335

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2581 STARLINK-5440
    Semimajor Axis (a) 6842.384 km 6840.868 km
    Eccentricity (e) 0.000181 0.000123
    Inclination (i) 53.1591° 53.1610°
    RAAN 281.9262° 353.0259°
    Perigee Argument 90.4250° 74.4146°
    Mean Anomaly (M) 20.1709° 285.6992°
    Apogee 465.485 km 463.572 km
    Perigee 463.009 km 461.890 km
    Orbit Epoch 2026-10-30T20:00:03+0000 2026-10-30T10:20:49+0000

    STARLINK-2581 & STARLINK-5440 Collision Probability (Pc) Trend

    STARLINK-2581 & STARLINK-5440 Collision Probability (Pc) TrendNot Available

    STARLINK-2581 & STARLINK-5440 Miss Distance (Miss Distance) Trend

    STARLINK-2581 & STARLINK-5440 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2581Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5440Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2581Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5440Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2581

    No nearby objects data