Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.565444E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T22:35:30+0800
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    1 Object 1

    AOE ID 21320
    NORAD ID 21320
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62241
    NORAD ID 62241
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB QIANFAN-40
    Time of Closest Approach 2026-10-28T00:16:31+0000
    Collision Probability (Pc) 2.565444E-6
    Conjunction Distance (km) 2.077 km
    Relative Speed (km/s) 14.465 km/s
    Conjunction Risk Parameters R (Radial): -1.664 | I (In-track): -0.143 | C (Cross-track): -1.233
    Collision Risk Index (CRI) 0.43
    X Position (km) -4871.358 -4870.182
    Position Y (km) -860.274 -861.315
    Position Z (km) -5587.962 -5586.605
    Velocity X (km/s) -5.483 5.416
    Velocity Y (km/s) 0.864 0.766
    Velocity Z (km/s) 4.674 -4.834

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB QIANFAN-40
    Semimajor Axis (a) 7363.991 km 7446.625 km
    Eccentricity (e) 0.012776 0.001334
    Inclination (i) 99.4852° 89.0191°
    RAAN 178.2322° 8.9985°
    Perigee Argument 121.6544° 12.0110°
    Mean Anomaly (M) 37.5491° 348.1356°
    Apogee 1079.936 km 1078.424 km
    Perigee 891.772 km 1058.552 km
    Orbit Epoch 2026-10-27T02:33:51+0000 2026-10-27T05:22:23+0000

    DELTA 1 DEB & QIANFAN-40 Collision Probability (Pc) Trend

    DELTA 1 DEB & QIANFAN-40 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & QIANFAN-40 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & QIANFAN-40 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-40Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-40Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data