Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.735066E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:03:58+0800
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    1 Object 1

    AOE ID 51136
    NORAD ID 51136
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69822
    NORAD ID 69822
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3253 STARLINK-37521
    Time of Closest Approach 2026-10-21T08:52:56+0000
    Collision Probability (Pc) 4.735066E-6
    Conjunction Distance (km) 1.6 km
    Relative Speed (km/s) 11.999 km/s
    Conjunction Risk Parameters R (Radial): -1.137 | I (In-track): -0.691 | C (Cross-track): 0.887
    Collision Risk Index (CRI) 0.49
    X Position (km) 6608.163 6606.988
    Position Y (km) -436.754 -437.803
    Position Z (km) 1708.573 1708.294
    Velocity X (km/s) -1.192 1.812
    Velocity Y (km/s) 4.817 4.619
    Velocity Z (km/s) 5.806 -5.808

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3253 STARLINK-37521
    Semimajor Axis (a) 6840.878 km 6840.775 km
    Eccentricity (e) 0.000116 0.000480
    Inclination (i) 53.1608° 53.1561°
    RAAN 355.4373° 197.8573°
    Perigee Argument 81.2618° 228.5887°
    Mean Anomaly (M) 278.8515° 131.4703°
    Apogee 463.532 km 465.923 km
    Perigee 461.950 km 459.353 km
    Orbit Epoch 2026-10-19T03:39:09+0000 2026-10-19T03:01:58+0000

    STARLINK-3253 & STARLINK-37521 Collision Probability (Pc) Trend

    STARLINK-3253 & STARLINK-37521 Collision Probability (Pc) TrendNot Available

    STARLINK-3253 & STARLINK-37521 Miss Distance (Miss Distance) Trend

    STARLINK-3253 & STARLINK-37521 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3253Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37521Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3253Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37521Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3253

    No nearby objects data