Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.697208E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T12:33:53+0800
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    1 Object 1

    AOE ID 51742
    NORAD ID 51742
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68553
    NORAD ID 68553
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3521 STARLINK-37254
    Time of Closest Approach 2026-09-13T14:45:49+0000
    Collision Probability (Pc) 4.697208E-6
    Conjunction Distance (km) 1.176 km
    Relative Speed (km/s) 2.555 km/s
    Conjunction Risk Parameters R (Radial): -0.256 | I (In-track): 1.132 | C (Cross-track): 0.191
    Collision Risk Index (CRI) 0.48
    X Position (km) -993.404 -992.327
    Position Y (km) 4045.828 4046.254
    Position Z (km) -5433.447 -5433.65
    Velocity X (km/s) -7.541 -7.058
    Velocity Y (km/s) -0.806 -2.774
    Velocity Z (km/s) 0.779 -0.777

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3521 STARLINK-37254
    Semimajor Axis (a) 6840.894 km 6840.832 km
    Eccentricity (e) 0.000153 0.000264
    Inclination (i) 53.1611° 53.1580°
    RAAN 195.9348° 219.7844°
    Perigee Argument 91.5716° 86.3101°
    Mean Anomaly (M) 268.5462° 273.8204°
    Apogee 463.806 km 464.504 km
    Perigee 461.708 km 460.886 km
    Orbit Epoch 2026-09-10T13:38:59+0000 2026-09-10T15:16:51+0000

    STARLINK-3521 & STARLINK-37254 Collision Probability (Pc) Trend

    STARLINK-3521 & STARLINK-37254 Collision Probability (Pc) TrendNot Available

    STARLINK-3521 & STARLINK-37254 Miss Distance (Miss Distance) Trend

    STARLINK-3521 & STARLINK-37254 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37254Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3521Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37254Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3521

    No nearby objects data