Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.685347E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:36:46+0800
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    1 Object 1

    AOE ID 40420
    NORAD ID 40420
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 64800
    NORAD ID 64800
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2503 STARLINK-34660
    Time of Closest Approach 2026-10-22T19:34:53+0000
    Collision Probability (Pc) 9.685347E-6
    Conjunction Distance (km) 1.228 km
    Relative Speed (km/s) 9.456 km/s
    Conjunction Risk Parameters R (Radial): -1.166 | I (In-track): 0.305 | C (Cross-track): 0.235
    Collision Risk Index (CRI) 0.55
    X Position (km) -2575.902 -2575.209
    Position Y (km) 1118.905 1118.475
    Position Z (km) -6333.05 -6332.132
    Velocity X (km/s) 6.994 0.856
    Velocity Y (km/s) -0.265 -7.347
    Velocity Z (km/s) -2.905 -1.646

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2503 STARLINK-34660
    Semimajor Axis (a) 6923.850 km 6921.976 km
    Eccentricity (e) 0.001594 0.000284
    Inclination (i) 97.8159° 69.9993°
    RAAN 351.8233° 287.3486°
    Perigee Argument 183.4220° 277.6071°
    Mean Anomaly (M) 176.6901° 82.4771°
    Apogee 556.752 km 545.802 km
    Perigee 534.674 km 541.876 km
    Orbit Epoch 2026-10-20T02:44:28+0000 2026-10-20T10:42:35+0000

    COSMOS 2503 & STARLINK-34660 Collision Probability (Pc) Trend

    COSMOS 2503 & STARLINK-34660 Collision Probability (Pc) TrendNot Available

    COSMOS 2503 & STARLINK-34660 Miss Distance (Miss Distance) Trend

    COSMOS 2503 & STARLINK-34660 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34660Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2503Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34660Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2503

    No nearby objects data