Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.277702E-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 68518
    NORAD ID 68518
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 546 STARLINK-36857
    Time of Closest Approach 2026-09-04T04:08:12+0000
    Collision Probability (Pc) 3.277702E-6
    Conjunction Distance (km) 1.748 km
    Relative Speed (km/s) 10.306 km/s
    Conjunction Risk Parameters R (Radial): -1.582 | I (In-track): 0.552 | C (Cross-track): 0.495
    Collision Risk Index (CRI) 0.45
    X Position (km) 5571.479 5570.371
    Position Y (km) -1335.558 -1334.531
    Position Z (km) -3748.823 -3747.944
    Velocity X (km/s) -1.303 4.104
    Velocity Y (km/s) 6.262 4.637
    Velocity Z (km/s) -4.166 4.455

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 546 STARLINK-36857
    Semimajor Axis (a) 6852.716 km 6840.820 km
    Eccentricity (e) 0.001457 0.000100
    Inclination (i) 50.6351° 53.1603°
    RAAN 136.4769° 17.3901°
    Perigee Argument 237.6214° 82.7461°
    Mean Anomaly (M) 122.3343° 277.3656°
    Apogee 484.564 km 463.368 km
    Perigee 464.594 km 461.998 km
    Orbit Epoch 2026-09-03T16:11:14+0000 2026-09-03T20:30:30+0000

    COSMOS 546 & STARLINK-36857 Collision Probability (Pc) Trend

    COSMOS 546 & STARLINK-36857 Collision Probability (Pc) TrendNot Available

    COSMOS 546 & STARLINK-36857 Miss Distance (Miss Distance) Trend

    COSMOS 546 & STARLINK-36857 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 546Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36857Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 546Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36857Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 546

    No nearby objects data