Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.883886E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T23:28:52+0800
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    1 Object 1

    AOE ID 20852
    NORAD ID 20852
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 61560
    NORAD ID 61560
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB QIANFAN-27
    Time of Closest Approach 2026-10-23T18:50:03+0000
    Collision Probability (Pc) 1.883886E-6
    Conjunction Distance (km) 2.288 km
    Relative Speed (km/s) 12.491 km/s
    Conjunction Risk Parameters R (Radial): -1.479 | I (In-track): 0.955 | C (Cross-track): 1.46
    Collision Risk Index (CRI) 0.41
    X Position (km) -947.218 -948.68
    Position Y (km) -634.858 -634.21
    Position Z (km) 7082.008 7080.372
    Velocity X (km/s) -2.105 -5.62
    Velocity Y (km/s) 7.138 -4.751
    Velocity Z (km/s) 0.347 -1.172

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB QIANFAN-27
    Semimajor Axis (a) 7176.230 km 7177.789 km
    Eccentricity (e) 0.001599 0.000635
    Inclination (i) 98.7099° 88.9894°
    RAAN 285.1665° 40.1103°
    Perigee Argument 202.5827° 354.6452°
    Mean Anomaly (M) 157.4652° 5.4673°
    Apogee 809.567 km 804.213 km
    Perigee 786.619 km 795.091 km
    Orbit Epoch 2026-10-22T22:14:54+0000 2026-10-23T06:35:49+0000

    CZ-4 DEB & QIANFAN-27 Collision Probability (Pc) Trend

    CZ-4 DEB & QIANFAN-27 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & QIANFAN-27 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & QIANFAN-27 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-27Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-27Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data