Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.558005E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:45:35+0800
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    1 Object 1

    AOE ID 12138
    NORAD ID 12138
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 55396
    NORAD ID 55396
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1238 STARLINK-5283
    Time of Closest Approach 2026-10-22T17:17:51+0000
    Collision Probability (Pc) 1.558005E-6
    Conjunction Distance (km) 2.425 km
    Relative Speed (km/s) 11.025 km/s
    Conjunction Risk Parameters R (Radial): 2.399 | I (In-track): -0.17 | C (Cross-track): 0.313
    Collision Risk Index (CRI) 0.39
    X Position (km) 385.314 385.483
    Position Y (km) -2530.359 -2529.652
    Position Z (km) 6458.67 6456.357
    Velocity X (km/s) 3.576 6.56
    Velocity Y (km/s) -6.435 3.64
    Velocity Z (km/s) -2.303 1.033

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1238 STARLINK-5283
    Semimajor Axis (a) 7224.410 km 6950.190 km
    Eccentricity (e) 0.063575 0.000294
    Inclination (i) 82.9532° 70.0008°
    RAAN 118.6063° 218.1562°
    Perigee Argument 60.1475° 273.0266°
    Mean Anomaly (M) 306.1333° 87.0557°
    Apogee 1305.563 km 574.095 km
    Perigee 386.983 km 570.011 km
    Orbit Epoch 2026-10-20T12:10:50+0000 2026-10-20T05:39:07+0000

    COSMOS 1238 & STARLINK-5283 Collision Probability (Pc) Trend

    COSMOS 1238 & STARLINK-5283 Collision Probability (Pc) TrendNot Available

    COSMOS 1238 & STARLINK-5283 Miss Distance (Miss Distance) Trend

    COSMOS 1238 & STARLINK-5283 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1238Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5283Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1238Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5283Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1238

    No nearby objects data