Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.418502E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T00:33:55+0800
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    1 Object 1

    AOE ID 21297
    NORAD ID 21297
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63164
    NORAD ID 63164
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-78
    Time of Closest Approach 2026-10-17T20:34:56+0000
    Collision Probability (Pc) 1.418502E-6
    Conjunction Distance (km) 2.849 km
    Relative Speed (km/s) 14.592 km/s
    Conjunction Risk Parameters R (Radial): -2.121 | I (In-track): -0.16 | C (Cross-track): -1.893
    Collision Risk Index (CRI) 0.38
    X Position (km) -1922.886 -1924.112
    Position Y (km) 6188.731 6186.311
    Position Z (km) 3690.161 3689.293
    Velocity X (km/s) 2.415 -1.221
    Velocity Y (km/s) -2.989 3.414
    Velocity Z (km/s) 6.252 -6.346

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-78
    Semimajor Axis (a) 7512.374 km 7446.663 km
    Eccentricity (e) 0.007075 0.001386
    Inclination (i) 99.6785° 88.9622°
    RAAN 110.4478° 288.1434°
    Perigee Argument 36.7668° 330.7322°
    Mean Anomaly (M) 85.6797° 29.3051°
    Apogee 1187.388 km 1078.850 km
    Perigee 1081.086 km 1058.202 km
    Orbit Epoch 2026-10-15T07:48:46+0000 2026-10-15T05:37:42+0000

    DELTA 1 DEB & QIANFAN-78 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-78 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-78 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-78 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-78Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-78Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data