Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.447195E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T18:50:28+0800
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    1 Object 1

    AOE ID 25789
    NORAD ID 25789
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 30548
    NORAD ID 30548
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter QUIKSCAT FENGYUN 1C DEB
    Time of Closest Approach 2026-10-18T18:02:08+0000
    Collision Probability (Pc) 1.447195E-6
    Conjunction Distance (km) 2.203 km
    Relative Speed (km/s) 7.059 km/s
    Conjunction Risk Parameters R (Radial): -2.096 | I (In-track): -0.598 | C (Cross-track): 0.313
    Collision Risk Index (CRI) 0.38
    X Position (km) -589.373 -588.91
    Position Y (km) 1137.424 1137.987
    Position Z (km) 7041.461 7043.54
    Velocity X (km/s) 7.295 5.083
    Velocity Y (km/s) -1.136 5.441
    Velocity Z (km/s) 0.791 -0.501

    Orbital Parameters 国际轨道数据源

    Parameter QUIKSCAT FENGYUN 1C DEB
    Semimajor Axis (a) 7097.936 km 7172.839 km
    Eccentricity (e) 0.009368 0.006358
    Inclination (i) 98.2478° 99.6796°
    RAAN 169.6378° 226.3057°
    Perigee Argument 264.6165° 179.3672°
    Mean Anomaly (M) 94.4337° 355.0351°
    Apogee 786.296 km 840.305 km
    Perigee 653.302 km 749.099 km
    Orbit Epoch 2026-10-18T02:45:33+0000 2026-10-17T13:50:41+0000

    QUIKSCAT & FENGYUN 1C DEB Collision Probability (Pc) Trend

    QUIKSCAT & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    QUIKSCAT & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    QUIKSCAT & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    QUIKSCATMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    QUIKSCATCollision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with QUIKSCAT

    No nearby objects data