Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.51898E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:43:08+0800
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    1 Object 1

    AOE ID 48659
    NORAD ID 48659
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53203
    NORAD ID 53203
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2717 STARLINK-4409
    Time of Closest Approach 2026-10-21T10:32:21+0000
    Collision Probability (Pc) 1.51898E-6
    Conjunction Distance (km) 2.703 km
    Relative Speed (km/s) 14.411 km/s
    Conjunction Risk Parameters R (Radial): 1.13 | I (In-track): -0.803 | C (Cross-track): 2.32
    Collision Risk Index (CRI) 0.39
    X Position (km) 5589.596 5589.526
    Position Y (km) -502.54 -500.357
    Position Z (km) -3930.549 -3928.957
    Velocity X (km/s) -2.465 4.194
    Velocity Y (km/s) 5.826 -1.56
    Velocity Z (km/s) -4.256 6.173

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2717 STARLINK-4409
    Semimajor Axis (a) 6847.346 km 6843.712 km
    Eccentricity (e) 0.000145 0.000131
    Inclination (i) 53.1584° 97.2848°
    RAAN 148.8505° 348.2090°
    Perigee Argument 88.2557° 92.8089°
    Mean Anomaly (M) 271.8610° 267.3303°
    Apogee 470.202 km 466.471 km
    Perigee 468.216 km 464.679 km
    Orbit Epoch 2026-10-20T05:22:52+0000 2026-10-19T21:06:21+0000

    STARLINK-2717 & STARLINK-4409 Collision Probability (Pc) Trend

    STARLINK-2717 & STARLINK-4409 Collision Probability (Pc) TrendNot Available

    STARLINK-2717 & STARLINK-4409 Miss Distance (Miss Distance) Trend

    STARLINK-2717 & STARLINK-4409 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2717Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4409Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2717Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4409Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2717

    No nearby objects data