Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.262113E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T05:08:39+0800
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    1 Object 1

    Name PTD-4
    AOE ID 60565
    NORAD ID 60565
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name SATMAR
    AOE ID 64551
    NORAD ID 64551
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter PTD-4 SATMAR
    Time of Closest Approach 2026-10-20T00:54:09+0000
    Collision Probability (Pc) 6.262113E-7
    Conjunction Distance (km) 2.759 km
    Relative Speed (km/s) 3.05 km/s
    Conjunction Risk Parameters R (Radial): 2.56 | I (In-track): 1.007 | C (Cross-track): -0.205
    Collision Risk Index (CRI) 0.31
    X Position (km) -504.074 -503.439
    Position Y (km) 779.575 780.482
    Position Z (km) -6807.07 -6809.596
    Velocity X (km/s) 6.871 5.054
    Velocity Y (km/s) 3.261 5.675
    Velocity Z (km/s) -0.134 0.276

    Orbital Parameters 国际轨道数据源

    Parameter PTD-4 SATMAR
    Semimajor Axis (a) 6863.342 km 6864.284 km
    Eccentricity (e) 0.000187 0.000187
    Inclination (i) 97.6927° 97.4727°
    RAAN 24.2549° 47.8180°
    Perigee Argument 341.4122° 131.8809°
    Mean Anomaly (M) 18.7047° 228.2589°
    Apogee 486.490 km 487.432 km
    Perigee 483.920 km 484.862 km
    Orbit Epoch 2026-10-19T01:42:30+0000 2026-10-19T06:24:33+0000

    PTD-4 & SATMAR Collision Probability (Pc) Trend

    PTD-4 & SATMAR Collision Probability (Pc) TrendNot Available

    PTD-4 & SATMAR Miss Distance (Miss Distance) Trend

    PTD-4 & SATMAR Miss Distance (Miss Distance) TrendNot Available

    PTD-4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SATMARMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PTD-4Collision Probability Trend

    Object 1 Probability TrendNot Available

    SATMARCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PTD-4

    No nearby objects data