Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.568244E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T06:57:31+0800
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    1 Object 1

    AOE ID 43871
    NORAD ID 43871
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 62252
    NORAD ID 62252
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter HONGYUN 1 QIANFAN-51
    Time of Closest Approach 2026-10-16T17:04:38+0000
    Collision Probability (Pc) 2.568244E-6
    Conjunction Distance (km) 1.772 km
    Relative Speed (km/s) 7.499 km/s
    Conjunction Risk Parameters R (Radial): -1.426 | I (In-track): 0.904 | C (Cross-track): -0.538
    Collision Risk Index (CRI) 0.43
    X Position (km) 1499.382 1500.06
    Position Y (km) 147.128 146.729
    Position Z (km) -7306.543 -7304.956
    Velocity X (km/s) 4.475 7.026
    Velocity Y (km/s) -5.708 1.31
    Velocity Z (km/s) 0.8 1.479

    Orbital Parameters 国际轨道数据源

    Parameter HONGYUN 1 QIANFAN-51
    Semimajor Axis (a) 7444.652 km 7446.638 km
    Eccentricity (e) 0.001214 0.001419
    Inclination (i) 99.7422° 89.0171°
    RAAN 306.8028° 10.6002°
    Perigee Argument 125.4243° 45.3798°
    Mean Anomaly (M) 234.8028° 314.8508°
    Apogee 1075.551 km 1079.067 km
    Perigee 1057.479 km 1057.935 km
    Orbit Epoch 2026-10-14T06:51:45+0000 2026-10-14T06:48:27+0000

    HONGYUN 1 & QIANFAN-51 Collision Probability (Pc) Trend

    HONGYUN 1 & QIANFAN-51 Collision Probability (Pc) TrendNot Available

    HONGYUN 1 & QIANFAN-51 Miss Distance (Miss Distance) Trend

    HONGYUN 1 & QIANFAN-51 Miss Distance (Miss Distance) TrendNot Available

    HONGYUN 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-51Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HONGYUN 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-51Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HONGYUN 1

    No nearby objects data