Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.355805E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T09:19:06+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 66048
    NORAD ID 66048
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter PORCUPINE 2 QIANFAN-106
    Time of Closest Approach 2026-10-18T17:44:43+0000
    Collision Probability (Pc) 1.355805E-6
    Conjunction Distance (km) 2.957 km
    Relative Speed (km/s) 14.661 km/s
    Conjunction Risk Parameters R (Radial): 2.318 | I (In-track): -0.023 | C (Cross-track): 1.836
    Collision Risk Index (CRI) 0.38
    X Position (km) 2828.374 2826.539
    Position Y (km) 1809.56 1810.564
    Position Z (km) 6641.155 6639.066
    Velocity X (km/s) 5.53 -5.65
    Velocity Y (km/s) 3.524 -3.286
    Velocity Z (km/s) -3.306 3.294

    Orbital Parameters 国际轨道数据源

    Parameter PORCUPINE 2 QIANFAN-106
    Semimajor Axis (a) 7501.327 km 7446.634 km
    Eccentricity (e) 0.007142 0.000225
    Inclination (i) 90.0422° 89.0082°
    RAAN 212.5230° 30.8282°
    Perigee Argument 116.9366° 113.8023°
    Mean Anomaly (M) 272.4103° 246.3364°
    Apogee 1176.768 km 1070.172 km
    Perigee 1069.612 km 1066.822 km
    Orbit Epoch 2026-10-17T17:56:50+0000 2026-10-17T05:53:03+0000

    PORCUPINE 2 & QIANFAN-106 Collision Probability (Pc) Trend

    PORCUPINE 2 & QIANFAN-106 Collision Probability (Pc) TrendNot Available

    PORCUPINE 2 & QIANFAN-106 Miss Distance (Miss Distance) Trend

    PORCUPINE 2 & QIANFAN-106 Miss Distance (Miss Distance) TrendNot Available

    PORCUPINE 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-106Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PORCUPINE 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-106Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PORCUPINE 2

    No nearby objects data