Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.08115E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T12:35:50+0800
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    1 Object 1

    AOE ID 52494
    NORAD ID 52494
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69449
    NORAD ID 69449
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3857 STARLINK-37643
    Time of Closest Approach 2026-10-21T15:06:00+0000
    Collision Probability (Pc) 9.08115E-6
    Conjunction Distance (km) 1.185 km
    Relative Speed (km/s) 7.208 km/s
    Conjunction Risk Parameters R (Radial): -1.025 | I (In-track): -0.521 | C (Cross-track): 0.281
    Collision Risk Index (CRI) 0.54
    X Position (km) 3878.759 3879.667
    Position Y (km) -2583.298 -2583.191
    Position Z (km) -5015.434 -5016.186
    Velocity X (km/s) 1.527 5.92
    Velocity Y (km/s) 7.056 4.129
    Velocity Z (km/s) -2.455 2.453

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3857 STARLINK-37643
    Semimajor Axis (a) 6840.851 km 6840.795 km
    Eccentricity (e) 0.000149 0.000350
    Inclination (i) 53.1572° 53.1534°
    RAAN 100.3620° 31.0624°
    Perigee Argument 90.1803° 110.8629°
    Mean Anomaly (M) 269.9370° 249.2748°
    Apogee 463.733 km 465.050 km
    Perigee 461.695 km 460.266 km
    Orbit Epoch 2026-10-19T22:57:00+0000 2026-10-19T07:06:53+0000

    STARLINK-3857 & STARLINK-37643 Collision Probability (Pc) Trend

    STARLINK-3857 & STARLINK-37643 Collision Probability (Pc) TrendNot Available

    STARLINK-3857 & STARLINK-37643 Miss Distance (Miss Distance) Trend

    STARLINK-3857 & STARLINK-37643 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3857Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37643Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3857Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37643Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3857

    No nearby objects data