Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.059305E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:52:12+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 48595
    NORAD ID 48595
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GPM STARLINK-2252
    Time of Closest Approach 2026-10-22T14:44:45+0000
    Collision Probability (Pc) 1.059305E-6
    Conjunction Distance (km) 2.674 km
    Relative Speed (km/s) 7.504 km/s
    Conjunction Risk Parameters R (Radial): -2.648 | I (In-track): 0.317 | C (Cross-track): -0.184
    Collision Risk Index (CRI) 0.36
    X Position (km) 584.93 585.04
    Position Y (km) -4142.661 -4140.923
    Position Z (km) 5377.971 5375.942
    Velocity X (km/s) 4.605 7.582
    Velocity Y (km/s) 5.068 -0.232
    Velocity Z (km/s) 3.397 -1.002

    Orbital Parameters 国际轨道数据源

    Parameter GPM STARLINK-2252
    Semimajor Axis (a) 6811.375 km 6833.467 km
    Eccentricity (e) 0.001240 0.000125
    Inclination (i) 64.9699° 53.1593°
    RAAN 250.2584° 185.2788°
    Perigee Argument 252.0040° 89.1014°
    Mean Anomaly (M) 107.9749° 172.5364°
    Apogee 441.684 km 456.184 km
    Perigee 424.792 km 454.476 km
    Orbit Epoch 2026-10-19T21:12:39+0000 2026-10-19T22:00:02+0000

    GPM & STARLINK-2252 Collision Probability (Pc) Trend

    GPM & STARLINK-2252 Collision Probability (Pc) TrendNot Available

    GPM & STARLINK-2252 Miss Distance (Miss Distance) Trend

    GPM & STARLINK-2252 Miss Distance (Miss Distance) TrendNot Available

    GPMMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2252Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GPMCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2252Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GPM

    No nearby objects data