Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.810935E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-14T23:50:06+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53672
    NORAD ID 53672
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name BESSA
    AOE ID 68836
    NORAD ID 68836
    Object Type PAYLOAD
    Country
    PT PT

    Conjunction Constraints

    Parameter STARLINK-4428 BESSA
    Time of Closest Approach 2026-10-15T15:04:41+0000
    Collision Probability (Pc) 2.810935E-6
    Conjunction Distance (km) 1.839 km
    Relative Speed (km/s) 10.138 km/s
    Conjunction Risk Parameters R (Radial): -1.826 | I (In-track): -0.146 | C (Cross-track): 0.146
    Collision Risk Index (CRI) 0.44
    X Position (km) -485.823 -485.759
    Position Y (km) 1081.078 1081.438
    Position Z (km) 6776.359 6778.161
    Velocity X (km/s) 7.19 3.224
    Velocity Y (km/s) -2.33 6.836
    Velocity Z (km/s) 0.886 -0.853

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4428 BESSA
    Semimajor Axis (a) 6887.075 km 6884.341 km
    Eccentricity (e) 0.000124 0.000900
    Inclination (i) 97.2831° 97.4685°
    RAAN 159.8579° 243.8181°
    Perigee Argument 62.7747° 330.1301°
    Mean Anomaly (M) 49.0705° 29.9419°
    Apogee 509.791 km 512.403 km
    Perigee 508.085 km 500.005 km
    Orbit Epoch 2026-10-14T06:00:04+0000 2026-10-13T19:59:36+0000

    STARLINK-4428 & BESSA Collision Probability (Pc) Trend

    STARLINK-4428 & BESSA Collision Probability (Pc) TrendNot Available

    STARLINK-4428 & BESSA Miss Distance (Miss Distance) Trend

    STARLINK-4428 & BESSA Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4428Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    BESSAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4428Collision Probability Trend

    Object 1 Probability TrendNot Available

    BESSACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4428

    No nearby objects data