Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.675763E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T10:42:17+0800
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    1 Object 1

    AOE ID 61563
    NORAD ID 61563
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 68648
    NORAD ID 68648
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter QIANFAN-30 QIANFAN-121
    Time of Closest Approach 2026-10-19T11:06:34+0000
    Collision Probability (Pc) 1.675763E-6
    Conjunction Distance (km) 2.348 km
    Relative Speed (km/s) 11.233 km/s
    Conjunction Risk Parameters R (Radial): -0.423 | I (In-track): 1.482 | C (Cross-track): -1.771
    Collision Risk Index (CRI) 0.39
    X Position (km) -4.393 -6.702
    Position Y (km) -205.422 -205.369
    Position Z (km) -7452.386 -7452.809
    Velocity X (km/s) 4.807 4.526
    Velocity Y (km/s) 5.497 -5.728
    Velocity Z (km/s) -0.159 0.154

    Orbital Parameters 国际轨道数据源

    Parameter QIANFAN-30 QIANFAN-121
    Semimajor Axis (a) 7450.093 km 7446.626 km
    Eccentricity (e) 0.000691 0.000207
    Inclination (i) 88.9870° 88.9819°
    RAAN 49.0273° 308.5116°
    Perigee Argument 210.8718° 91.5769°
    Mean Anomaly (M) 149.2027° 268.5618°
    Apogee 1077.102 km 1070.027 km
    Perigee 1066.810 km 1066.951 km
    Orbit Epoch 2026-10-17T18:39:01+0000 2026-10-17T08:00:05+0000

    QIANFAN-30 & QIANFAN-121 Collision Probability (Pc) Trend

    QIANFAN-30 & QIANFAN-121 Collision Probability (Pc) TrendNot Available

    QIANFAN-30 & QIANFAN-121 Miss Distance (Miss Distance) Trend

    QIANFAN-30 & QIANFAN-121 Miss Distance (Miss Distance) TrendNot Available

    QIANFAN-30Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-121Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    QIANFAN-30Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-121Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with QIANFAN-30

    No nearby objects data