Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.348828E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T09:55:05+0800
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    1 Object 1

    Name POEM
    AOE ID 52939
    NORAD ID 52939
    Object Type PAYLOAD
    Country
    IN IN
    ← VS →

    2 Object 2

    AOE ID 58217
    NORAD ID 58217
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter POEM STARLINK-30818
    Time of Closest Approach 2026-10-20T20:44:50+0000
    Collision Probability (Pc) 1.348828E-6
    Conjunction Distance (km) 2.253 km
    Relative Speed (km/s) 6.782 km/s
    Conjunction Risk Parameters R (Radial): 1.045 | I (In-track): -1.785 | C (Cross-track): -0.891
    Collision Risk Index (CRI) 0.38
    X Position (km) -6840.009 -6838.807
    Position Y (km) -512.565 -514.393
    Position Z (km) -210.754 -211.287
    Velocity X (km/s) 0.506 0.573
    Velocity Y (km/s) -7.5 -5.55
    Velocity Z (km/s) 1.297 -5.197

    Orbital Parameters 国际轨道数据源

    Parameter POEM STARLINK-30818
    Semimajor Axis (a) 6867.966 km 6861.199 km
    Eccentricity (e) 0.002359 0.000114
    Inclination (i) 9.9508° 43.0018°
    RAAN 213.2486° 17.0017°
    Perigee Argument 232.2496° 270.1924°
    Mean Anomaly (M) 127.5580° 89.8797°
    Apogee 506.031 km 483.847 km
    Perigee 473.627 km 482.277 km
    Orbit Epoch 2026-10-18T09:09:49+0000 2026-10-18T06:45:02+0000

    POEM & STARLINK-30818 Collision Probability (Pc) Trend

    POEM & STARLINK-30818 Collision Probability (Pc) TrendNot Available

    POEM & STARLINK-30818 Miss Distance (Miss Distance) Trend

    POEM & STARLINK-30818 Miss Distance (Miss Distance) TrendNot Available

    POEMMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30818Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    POEMCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with POEM

    No nearby objects data