Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.462845E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T11:21:54+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 66448
    NORAD ID 66448
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 546 STARLINK-35355
    Time of Closest Approach 2026-09-04T22:03:17+0000
    Collision Probability (Pc) 1.462845E-6
    Conjunction Distance (km) 2.486 km
    Relative Speed (km/s) 10.693 km/s
    Conjunction Risk Parameters R (Radial): 0.761 | I (In-track): -1.684 | C (Cross-track): 1.663
    Collision Risk Index (CRI) 0.38
    X Position (km) -5342.08 -5341.331
    Position Y (km) 3846.84 3849.209
    Position Z (km) 1924.32 1924.374
    Velocity X (km/s) -1.64 -4.526
    Velocity Y (km/s) -5.025 -3.9
    Velocity Z (km/s) 5.493 -4.741

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 546 STARLINK-35355
    Semimajor Axis (a) 6852.716 km 6861.162 km
    Eccentricity (e) 0.001457 0.000171
    Inclination (i) 50.6351° 43.0016°
    RAAN 136.4769° 349.6796°
    Perigee Argument 237.6214° 277.0672°
    Mean Anomaly (M) 122.3343° 82.9984°
    Apogee 484.564 km 484.202 km
    Perigee 464.594 km 481.848 km
    Orbit Epoch 2026-09-03T16:11:14+0000 2026-09-03T15:33:39+0000

    COSMOS 546 & STARLINK-35355 Collision Probability (Pc) Trend

    COSMOS 546 & STARLINK-35355 Collision Probability (Pc) TrendNot Available

    COSMOS 546 & STARLINK-35355 Miss Distance (Miss Distance) Trend

    COSMOS 546 & STARLINK-35355 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 546Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35355Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 546Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35355Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 546

    No nearby objects data