Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.48248E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T13:22:56+0800
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    1 Object 1

    Name GPM
    AOE ID 39574
    NORAD ID 39574
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 45054
    NORAD ID 45054
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GPM STARLINK-1156
    Time of Closest Approach 2026-10-22T11:06:29+0000
    Collision Probability (Pc) 1.48248E-6
    Conjunction Distance (km) 2.102 km
    Relative Speed (km/s) 6.191 km/s
    Conjunction Risk Parameters R (Radial): -0.384 | I (In-track): -1.887 | C (Cross-track): -0.84
    Collision Risk Index (CRI) 0.38
    X Position (km) -3761.025 -3761.035
    Position Y (km) -1607.595 -1609.691
    Position Z (km) -5446.566 -5446.42
    Velocity X (km/s) -1.873 3.257
    Velocity Y (km/s) -6.662 -6.911
    Velocity Z (km/s) 3.253 -0.204

    Orbital Parameters 国际轨道数据源

    Parameter GPM STARLINK-1156
    Semimajor Axis (a) 6811.236 km 6805.063 km
    Eccentricity (e) 0.001231 0.000432
    Inclination (i) 64.9699° 53.1510°
    RAAN 243.3198° 300.9155°
    Perigee Argument 252.2178° 44.2997°
    Mean Anomaly (M) 107.7620° 315.8356°
    Apogee 441.484 km 429.863 km
    Perigee 424.714 km 423.989 km
    Orbit Epoch 2026-10-21T22:56:35+0000 2026-10-21T12:14:27+0000

    GPM & STARLINK-1156 Collision Probability (Pc) Trend

    GPM & STARLINK-1156 Collision Probability (Pc) TrendNot Available

    GPM & STARLINK-1156 Miss Distance (Miss Distance) Trend

    GPM & STARLINK-1156 Miss Distance (Miss Distance) TrendNot Available

    GPMMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-1156Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GPMCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-1156Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GPM

    No nearby objects data