Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.180434E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:38:02+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 53293
    NORAD ID 53293
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2550 STARLINK-4148
    Time of Closest Approach 2026-10-28T16:37:18+0000
    Collision Probability (Pc) 3.180434E-6
    Conjunction Distance (km) 1.831 km
    Relative Speed (km/s) 12.061 km/s
    Conjunction Risk Parameters R (Radial): -1.022 | I (In-track): 0.928 | C (Cross-track): 1.203
    Collision Risk Index (CRI) 0.45
    X Position (km) 4362.979 4364.455
    Position Y (km) 3503.942 3503.206
    Position Z (km) -3941.373 -3942.167
    Velocity X (km/s) 0.746 -5.829
    Velocity Y (km/s) 5.248 2.496
    Velocity Z (km/s) 5.488 -4.241

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 STARLINK-4148
    Semimajor Axis (a) 6842.493 km 6840.884 km
    Eccentricity (e) 0.000835 0.000129
    Inclination (i) 67.1435° 53.1582°
    RAAN 60.1709° 194.3748°
    Perigee Argument 269.4456° 93.7555°
    Mean Anomaly (M) 90.5742° 266.3594°
    Apogee 470.070 km 463.627 km
    Perigee 458.642 km 461.867 km
    Orbit Epoch 2026-10-27T07:55:33+0000 2026-10-27T02:07:22+0000

    COSMOS 2550 & STARLINK-4148 Collision Probability (Pc) Trend

    COSMOS 2550 & STARLINK-4148 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & STARLINK-4148 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & STARLINK-4148 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4148Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4148Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data