Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.040997E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T03:09:18+0800
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    1 Object 1

    AOE ID 48865
    NORAD ID 48865
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 53973
    NORAD ID 53973
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2550 STARLINK-5156
    Time of Closest Approach 2026-10-20T14:01:47+0000
    Collision Probability (Pc) 4.040997E-6
    Conjunction Distance (km) 1.715 km
    Relative Speed (km/s) 13.035 km/s
    Conjunction Risk Parameters R (Radial): 0.616 | I (In-track): -0.843 | C (Cross-track): 1.361
    Collision Risk Index (CRI) 0.47
    X Position (km) -235.666 -234.055
    Position Y (km) -6545.349 -6544.761
    Position Z (km) -1988.143 -1988.151
    Velocity X (km/s) 3.168 4.716
    Velocity Y (km/s) 1.914 -1.893
    Velocity Z (km/s) -6.675 5.694

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 STARLINK-5156
    Semimajor Axis (a) 6842.543 km 6840.880 km
    Eccentricity (e) 0.000835 0.000124
    Inclination (i) 67.1416° 53.1581°
    RAAN 86.6040° 292.9696°
    Perigee Argument 270.1479° 89.3866°
    Mean Anomaly (M) 89.8718° 270.7279°
    Apogee 470.123 km 463.592 km
    Perigee 458.689 km 461.894 km
    Orbit Epoch 2026-10-18T14:13:06+0000 2026-10-18T01:09:18+0000

    COSMOS 2550 & STARLINK-5156 Collision Probability (Pc) Trend

    COSMOS 2550 & STARLINK-5156 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & STARLINK-5156 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & STARLINK-5156 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5156Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5156Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data