Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.216172E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:50:17+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 53966
    NORAD ID 53966
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter POLYITAN 1 STARLINK-4635
    Time of Closest Approach 2026-10-21T19:03:47+0000
    Collision Probability (Pc) 1.216172E-6
    Conjunction Distance (km) 2.593 km
    Relative Speed (km/s) 8.792 km/s
    Conjunction Risk Parameters R (Radial): -2.558 | I (In-track): -0.334 | C (Cross-track): 0.244
    Collision Risk Index (CRI) 0.37
    X Position (km) -3932.412 -3933.751
    Position Y (km) 2747.229 2747.969
    Position Z (km) -4881.151 -4883.244
    Velocity X (km/s) 5.24 -1.431
    Velocity Y (km/s) -1.795 -6.96
    Velocity Z (km/s) -5.238 -2.766

    Orbital Parameters 国际轨道数据源

    Parameter POLYITAN 1 STARLINK-4635
    Semimajor Axis (a) 6832.330 km 6840.875 km
    Eccentricity (e) 0.000772 0.000139
    Inclination (i) 98.0847° 53.1568°
    RAAN 331.2574° 287.1106°
    Perigee Argument 76.4712° 84.0286°
    Mean Anomaly (M) 283.7390° 276.0875°
    Apogee 459.468 km 463.691 km
    Perigee 448.918 km 461.785 km
    Orbit Epoch 2026-10-19T20:46:50+0000 2026-10-19T06:36:16+0000

    POLYITAN 1 & STARLINK-4635 Collision Probability (Pc) Trend

    POLYITAN 1 & STARLINK-4635 Collision Probability (Pc) TrendNot Available

    POLYITAN 1 & STARLINK-4635 Miss Distance (Miss Distance) Trend

    POLYITAN 1 & STARLINK-4635 Miss Distance (Miss Distance) TrendNot Available

    POLYITAN 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4635Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    POLYITAN 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4635Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with POLYITAN 1

    No nearby objects data