Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.427979E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T22:18:02+0800
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    1 Object 1

    AOE ID 40042
    NORAD ID 40042
    Object Type PAYLOAD
    Country
    UA UA
    VS

    2 Object 2

    AOE ID 53715
    NORAD ID 53715
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter POLYITAN 1 STARLINK-4686
    Time of Closest Approach 2026-09-07T00:33:07+0000
    Collision Probability (Pc) 1.427979E-6
    Conjunction Distance (km) 2.781 km
    Relative Speed (km/s) 13.939 km/s
    Conjunction Risk Parameters R (Radial): 2.104 | I (In-track): -0.733 | C (Cross-track): -1.664
    Collision Risk Index (CRI) 0.38
    X Position (km) 467.688 468.928
    Position Y (km) -4712.572 -4710.206
    Position Z (km) 4929.987 4929.214
    Velocity X (km/s) -2.077 6.855
    Velocity Y (km/s) 5.219 -2.091
    Velocity Z (km/s) 5.171 -2.644

    Orbital Parameters 国际轨道数据源

    Parameter POLYITAN 1 STARLINK-4686
    Semimajor Axis (a) 6836.766 km 6840.880 km
    Eccentricity (e) 0.000546 0.000114
    Inclination (i) 98.0907° 53.1624°
    RAAN 280.1686° 160.5034°
    Perigee Argument 220.5674° 88.5746°
    Mean Anomaly (M) 139.5161° 271.5387°
    Apogee 462.360 km 463.521 km
    Perigee 454.898 km 461.965 km
    Orbit Epoch 2026-09-03T08:46:58+0000 2026-09-04T03:16:01+0000

    POLYITAN 1 & STARLINK-4686 Collision Probability (Pc) Trend

    POLYITAN 1 & STARLINK-4686 Collision Probability (Pc) TrendNot Available

    POLYITAN 1 & STARLINK-4686 Miss Distance (Miss Distance) Trend

    POLYITAN 1 & STARLINK-4686 Miss Distance (Miss Distance) TrendNot Available

    POLYITAN 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4686Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    POLYITAN 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4686Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with POLYITAN 1

    No nearby objects data