Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.57942E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T20:57:02+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 68657
    NORAD ID 68657
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter PORCUPINE 2 HULIANWANG DIGUI-165
    Time of Closest Approach 2026-11-04T18:28:53+0000
    Collision Probability (Pc) 4.57942E-6
    Conjunction Distance (km) 1.666 km
    Relative Speed (km/s) 13.766 km/s
    Conjunction Risk Parameters R (Radial): -0.841 | I (In-track): -0.442 | C (Cross-track): 1.367
    Collision Risk Index (CRI) 0.48
    X Position (km) -649.051 -649.344
    Position Y (km) -421.851 -420.415
    Position Z (km) -7516.16 -7515.369
    Velocity X (km/s) -6.058 7.213
    Velocity Y (km/s) -3.874 -0.48
    Velocity Z (km/s) 0.766 -0.597

    Orbital Parameters 国际轨道数据源

    Parameter PORCUPINE 2 HULIANWANG DIGUI-165
    Semimajor Axis (a) 7501.317 km 7546.052 km
    Eccentricity (e) 0.007171 0.000218
    Inclination (i) 90.0433° 86.5033°
    RAAN 212.5927° 357.1094°
    Perigee Argument 72.8490° 108.4006°
    Mean Anomaly (M) 349.2605° 251.7365°
    Apogee 1176.976 km 1169.564 km
    Perigee 1069.384 km 1166.266 km
    Orbit Epoch 2026-11-02T18:41:17+0000 2026-11-02T21:37:50+0000

    PORCUPINE 2 & HULIANWANG DIGUI-165 Collision Probability (Pc) Trend

    PORCUPINE 2 & HULIANWANG DIGUI-165 Collision Probability (Pc) TrendNot Available

    PORCUPINE 2 & HULIANWANG DIGUI-165 Miss Distance (Miss Distance) Trend

    PORCUPINE 2 & HULIANWANG DIGUI-165 Miss Distance (Miss Distance) TrendNot Available

    PORCUPINE 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-165Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PORCUPINE 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-165Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PORCUPINE 2

    No nearby objects data