Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.107478E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:05:01+0800
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    1 Object 1

    AOE ID 6350
    NORAD ID 6350
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 59487
    NORAD ID 59487
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 546 STARLINK-31657
    Time of Closest Approach 2026-10-22T14:49:56+0000
    Collision Probability (Pc) 5.107478E-6
    Conjunction Distance (km) 1.488 km
    Relative Speed (km/s) 9.53 km/s
    Conjunction Risk Parameters R (Radial): -1.309 | I (In-track): 0.549 | C (Cross-track): 0.447
    Collision Risk Index (CRI) 0.49
    X Position (km) -1292.371 -1292.807
    Position Y (km) 5890.038 5888.737
    Position Z (km) -3279.68 -3279.105
    Velocity X (km/s) -4.832 -6.629
    Velocity Y (km/s) -3.629 0.608
    Velocity Z (km/s) -4.633 3.711

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 546 STARLINK-31657
    Semimajor Axis (a) 6852.281 km 6861.186 km
    Eccentricity (e) 0.001480 0.000117
    Inclination (i) 50.6340° 43.0048°
    RAAN 267.6106° 148.3814°
    Perigee Argument 60.5386° 285.3997°
    Mean Anomaly (M) 299.7055° 74.6724°
    Apogee 484.286 km 483.856 km
    Perigee 464.002 km 482.242 km
    Orbit Epoch 2026-10-20T05:28:30+0000 2026-10-20T19:05:13+0000

    COSMOS 546 & STARLINK-31657 Collision Probability (Pc) Trend

    COSMOS 546 & STARLINK-31657 Collision Probability (Pc) TrendNot Available

    COSMOS 546 & STARLINK-31657 Miss Distance (Miss Distance) Trend

    COSMOS 546 & STARLINK-31657 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 546Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31657Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 546Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31657Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 546

    No nearby objects data