Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.834609E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T09:50:24+0800
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    1 Object 1

    AOE ID 1577
    NORAD ID 1577
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66049
    NORAD ID 66049
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter PORCUPINE 2 QIANFAN-107
    Time of Closest Approach 2026-10-19T11:43:00+0000
    Collision Probability (Pc) 1.834609E-6
    Conjunction Distance (km) 2.434 km
    Relative Speed (km/s) 14.661 km/s
    Conjunction Risk Parameters R (Radial): -2.421 | I (In-track): -0.008 | C (Cross-track): -0.242
    Collision Risk Index (CRI) 0.4
    X Position (km) 2836.695 2835.896
    Position Y (km) 1815.053 1814.254
    Position Z (km) 6636.319 6634.164
    Velocity X (km/s) 5.526 -5.647
    Velocity Y (km/s) 3.522 -3.281
    Velocity Z (km/s) -3.314 3.304

    Orbital Parameters 国际轨道数据源

    Parameter PORCUPINE 2 QIANFAN-107
    Semimajor Axis (a) 7501.328 km 7446.593 km
    Eccentricity (e) 0.007136 0.000173
    Inclination (i) 90.0421° 89.0098°
    RAAN 212.5180° 30.9460°
    Perigee Argument 120.1582° 108.0606°
    Mean Anomaly (M) 54.6613° 252.0734°
    Apogee 1176.724 km 1069.748 km
    Perigee 1069.658 km 1067.164 km
    Orbit Epoch 2026-10-16T13:55:11+0000 2026-10-16T14:05:03+0000

    PORCUPINE 2 & QIANFAN-107 Collision Probability (Pc) Trend

    PORCUPINE 2 & QIANFAN-107 Collision Probability (Pc) TrendNot Available

    PORCUPINE 2 & QIANFAN-107 Miss Distance (Miss Distance) Trend

    PORCUPINE 2 & QIANFAN-107 Miss Distance (Miss Distance) TrendNot Available

    PORCUPINE 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-107Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PORCUPINE 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-107Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PORCUPINE 2

    No nearby objects data