Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.481355E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T00:30:34+0800
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    1 Object 1

    AOE ID 21280
    NORAD ID 21280
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63161
    NORAD ID 63161
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-75
    Time of Closest Approach 2026-10-15T19:12:06+0000
    Collision Probability (Pc) 3.481355E-6
    Conjunction Distance (km) 1.85 km
    Relative Speed (km/s) 14.515 km/s
    Conjunction Risk Parameters R (Radial): -1.411 | I (In-track): 0.159 | C (Cross-track): -1.184
    Collision Risk Index (CRI) 0.46
    X Position (km) 1486.855 1485.412
    Position Y (km) -4160.407 -4159.884
    Position Z (km) 5989.333 5988.3
    Velocity X (km/s) 0.002 -1.769
    Velocity Y (km/s) -5.988 5.617
    Velocity Z (km/s) -4.19 4.346

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-75
    Semimajor Axis (a) 7428.111 km 7446.615 km
    Eccentricity (e) 0.005006 0.001491
    Inclination (i) 99.4099° 88.9624°
    RAAN 96.1216° 288.2983°
    Perigee Argument 248.7769° 327.5693°
    Mean Anomaly (M) 287.8663° 32.4541°
    Apogee 1087.163 km 1079.579 km
    Perigee 1012.785 km 1057.377 km
    Orbit Epoch 2026-10-15T05:17:11+0000 2026-10-15T06:29:44+0000

    DELTA 1 DEB & QIANFAN-75 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-75 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-75 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-75 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-75Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-75Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data