Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.70135E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T00:37:53+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 66045
    NORAD ID 66045
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter PORCUPINE 2 QIANFAN-103
    Time of Closest Approach 2026-10-17T21:59:14+0000
    Collision Probability (Pc) 1.70135E-6
    Conjunction Distance (km) 2.537 km
    Relative Speed (km/s) 14.661 km/s
    Conjunction Risk Parameters R (Radial): -2.12 | I (In-track): 0.021 | C (Cross-track): 1.392
    Collision Risk Index (CRI) 0.4
    X Position (km) 3020.728 3019.134
    Position Y (km) 1931.857 1932.489
    Position Z (km) 6521.155 6519.286
    Velocity X (km/s) 5.431 -5.543
    Velocity Y (km/s) 3.46 -3.236
    Velocity Z (km/s) -3.531 3.518

    Orbital Parameters 国际轨道数据源

    Parameter PORCUPINE 2 QIANFAN-103
    Semimajor Axis (a) 7501.327 km 7446.596 km
    Eccentricity (e) 0.007140 0.000174
    Inclination (i) 90.0421° 89.0095°
    RAAN 212.5209° 30.8875°
    Perigee Argument 118.3096° 108.2788°
    Mean Anomaly (M) 34.5289° 251.8552°
    Apogee 1176.747 km 1069.754 km
    Perigee 1069.633 km 1067.164 km
    Orbit Epoch 2026-10-17T05:59:02+0000 2026-10-17T05:41:18+0000

    PORCUPINE 2 & QIANFAN-103 Collision Probability (Pc) Trend

    PORCUPINE 2 & QIANFAN-103 Collision Probability (Pc) TrendNot Available

    PORCUPINE 2 & QIANFAN-103 Miss Distance (Miss Distance) Trend

    PORCUPINE 2 & QIANFAN-103 Miss Distance (Miss Distance) TrendNot Available

    PORCUPINE 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-103Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PORCUPINE 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-103Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PORCUPINE 2

    No nearby objects data