Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.836702E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:26:54+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52355
    NORAD ID 52355
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69200
    NORAD ID 69200
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3877 STARLINK-37761
    Time of Closest Approach 2026-10-21T11:49:29+0000
    Collision Probability (Pc) 6.836702E-6
    Conjunction Distance (km) 1.304 km
    Relative Speed (km/s) 7.682 km/s
    Conjunction Risk Parameters R (Radial): 0.554 | I (In-track): 1.018 | C (Cross-track): -0.596
    Collision Risk Index (CRI) 0.52
    X Position (km) 4459.464 4459.5
    Position Y (km) 1611.299 1610.058
    Position Z (km) 4921.008 4920.612
    Velocity X (km/s) 0.36 -4.848
    Velocity Y (km/s) 7.152 5.27
    Velocity Z (km/s) -2.661 2.662

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3877 STARLINK-37761
    Semimajor Axis (a) 6840.863 km 6840.810 km
    Eccentricity (e) 0.000155 0.000192
    Inclination (i) 53.1568° 53.1603°
    RAAN 261.1085° 339.7874°
    Perigee Argument 87.8129° 90.4820°
    Mean Anomaly (M) 272.3051° 269.6403°
    Apogee 463.787 km 463.989 km
    Perigee 461.665 km 461.357 km
    Orbit Epoch 2026-10-19T07:44:06+0000 2026-10-19T03:16:21+0000

    STARLINK-3877 & STARLINK-37761 Collision Probability (Pc) Trend

    STARLINK-3877 & STARLINK-37761 Collision Probability (Pc) TrendNot Available

    STARLINK-3877 & STARLINK-37761 Miss Distance (Miss Distance) Trend

    STARLINK-3877 & STARLINK-37761 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3877Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37761Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3877Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37761Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3877

    No nearby objects data