Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.080344E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T03:39:06+0800
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    1 Object 1

    Name IPEX
    AOE ID 39471
    NORAD ID 39471
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56304
    NORAD ID 56304
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IPEX STARLINK-30099
    Time of Closest Approach 2026-10-18T02:40:53+0000
    Collision Probability (Pc) 1.080344E-6
    Conjunction Distance (km) 2.931 km
    Relative Speed (km/s) 9.657 km/s
    Conjunction Risk Parameters R (Radial): 2.641 | I (In-track): -1.008 | C (Cross-track): -0.775
    Collision Risk Index (CRI) 0.36
    X Position (km) -5104.272 -5106.47
    Position Y (km) -4479.085 -4480.813
    Position Z (km) -965.71 -964.831
    Velocity X (km/s) -1.975 4.254
    Velocity Y (km/s) 3.48 -3.757
    Velocity Z (km/s) -6.528 -5.091

    Orbital Parameters 国际轨道数据源

    Parameter IPEX STARLINK-30099
    Semimajor Axis (a) 6913.886 km 6861.199 km
    Eccentricity (e) 0.016594 0.000237
    Inclination (i) 120.4640° 43.0070°
    RAAN 42.9119° 36.7622°
    Perigee Argument 127.4804° 272.2125°
    Mean Anomaly (M) 234.1480° 87.8456°
    Apogee 650.476 km 484.686 km
    Perigee 421.022 km 481.438 km
    Orbit Epoch 2026-10-17T06:47:36+0000 2026-10-17T08:35:01+0000

    IPEX & STARLINK-30099 Collision Probability (Pc) Trend

    IPEX & STARLINK-30099 Collision Probability (Pc) TrendNot Available

    IPEX & STARLINK-30099 Miss Distance (Miss Distance) Trend

    IPEX & STARLINK-30099 Miss Distance (Miss Distance) TrendNot Available

    IPEXMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30099Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IPEXCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30099Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IPEX

    No nearby objects data