Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.50761E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:43:31+0800
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    1 Object 1

    AOE ID 53576
    NORAD ID 53576
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68668
    NORAD ID 68668
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4581 STARLINK-37221
    Time of Closest Approach 2026-10-30T16:09:50+0000
    Collision Probability (Pc) 1.50761E-6
    Conjunction Distance (km) 2.579 km
    Relative Speed (km/s) 12.521 km/s
    Conjunction Risk Parameters R (Radial): -2.467 | I (In-track): -0.425 | C (Cross-track): 0.614
    Collision Risk Index (CRI) 0.39
    X Position (km) 3982.364 3981.199
    Position Y (km) -1190.459 -1190.645
    Position Z (km) -5450.569 -5448.277
    Velocity X (km/s) 3.01 -6.131
    Velocity Y (km/s) 6.967 0.171
    Velocity Z (km/s) 0.678 -4.52

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4581 STARLINK-37221
    Semimajor Axis (a) 6848.838 km 6843.583 km
    Eccentricity (e) 0.000128 0.000260
    Inclination (i) 53.1617° 97.2831°
    RAAN 76.7045° 170.2605°
    Perigee Argument 80.6586° 92.7180°
    Mean Anomaly (M) 279.4560° 267.4360°
    Apogee 471.577 km 467.223 km
    Perigee 469.825 km 463.669 km
    Orbit Epoch 2026-10-27T16:29:31+0000 2026-10-27T21:22:30+0000

    STARLINK-4581 & STARLINK-37221 Collision Probability (Pc) Trend

    STARLINK-4581 & STARLINK-37221 Collision Probability (Pc) TrendNot Available

    STARLINK-4581 & STARLINK-37221 Miss Distance (Miss Distance) Trend

    STARLINK-4581 & STARLINK-37221 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4581Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37221Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4581Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37221Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4581

    No nearby objects data