Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.306618E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T19:28:52+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 68658
    NORAD ID 68658
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter PORCUPINE 2 HULIANWANG DIGUI-166
    Time of Closest Approach 2026-11-05T14:14:58+0000
    Collision Probability (Pc) 1.306618E-6
    Conjunction Distance (km) 2.957 km
    Relative Speed (km/s) 13.751 km/s
    Conjunction Risk Parameters R (Radial): -0.257 | I (In-track): 0.918 | C (Cross-track): 2.8
    Collision Risk Index (CRI) 0.37
    X Position (km) -645.765 -646.508
    Position Y (km) -419.805 -416.964
    Position Z (km) -7515.467 -7515.819
    Velocity X (km/s) -6.059 7.21
    Velocity Y (km/s) -3.875 -0.532
    Velocity Z (km/s) 0.764 -0.591

    Orbital Parameters 国际轨道数据源

    Parameter PORCUPINE 2 HULIANWANG DIGUI-166
    Semimajor Axis (a) 7501.317 km 7546.056 km
    Eccentricity (e) 0.007171 0.000216
    Inclination (i) 90.0433° 86.4974°
    RAAN 212.5927° 356.9808°
    Perigee Argument 72.8490° 107.8050°
    Mean Anomaly (M) 349.2605° 252.3320°
    Apogee 1176.976 km 1169.552 km
    Perigee 1069.384 km 1166.286 km
    Orbit Epoch 2026-11-02T18:41:17+0000 2026-11-02T21:27:12+0000

    PORCUPINE 2 & HULIANWANG DIGUI-166 Collision Probability (Pc) Trend

    PORCUPINE 2 & HULIANWANG DIGUI-166 Collision Probability (Pc) TrendNot Available

    PORCUPINE 2 & HULIANWANG DIGUI-166 Miss Distance (Miss Distance) Trend

    PORCUPINE 2 & HULIANWANG DIGUI-166 Miss Distance (Miss Distance) TrendNot Available

    PORCUPINE 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-166Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PORCUPINE 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-166Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PORCUPINE 2

    No nearby objects data