Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.409724E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T22:11:21+0800
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    1 Object 1

    AOE ID 49398
    NORAD ID 49398
    Object Type UNKNOWN
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 68821
    NORAD ID 68821
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT D STARLINK-37421
    Time of Closest Approach 2026-10-25T01:26:43+0000
    Collision Probability (Pc) 2.409724E-6
    Conjunction Distance (km) 2.153 km
    Relative Speed (km/s) 15.016 km/s
    Conjunction Risk Parameters R (Radial): 2.053 | I (In-track): -0.123 | C (Cross-track): -0.637
    Collision Risk Index (CRI) 0.43
    X Position (km) 4150.658 4152.222
    Position Y (km) -2303.387 -2303.512
    Position Z (km) 4920.52 4921.995
    Velocity X (km/s) -5.413 4.054
    Velocity Y (km/s) 1.404 -3.843
    Velocity Z (km/s) 5.202 -5.205

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT D STARLINK-37421
    Semimajor Axis (a) 6845.241 km 6843.669 km
    Eccentricity (e) 0.001018 0.000116
    Inclination (i) 97.3060° 97.2830°
    RAAN 337.4457° 142.3093°
    Perigee Argument 103.8752° 88.9143°
    Mean Anomaly (M) 256.3623° 271.2233°
    Apogee 474.072 km 466.328 km
    Perigee 460.136 km 464.736 km
    Orbit Epoch 2026-10-23T21:02:37+0000 2026-10-23T23:48:29+0000

    OBJECT D & STARLINK-37421 Collision Probability (Pc) Trend

    OBJECT D & STARLINK-37421 Collision Probability (Pc) TrendNot Available

    OBJECT D & STARLINK-37421 Miss Distance (Miss Distance) Trend

    OBJECT D & STARLINK-37421 Miss Distance (Miss Distance) TrendNot Available

    OBJECT DMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT DCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT D

    No nearby objects data