Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.352276E-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 57001
    NORAD ID 57001
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter PORCUPINE 2 TRANSAT DEB
    Time of Closest Approach 2026-11-05T09:43:15+0000
    Collision Probability (Pc) 1.352276E-6
    Conjunction Distance (km) 2.901 km
    Relative Speed (km/s) 13.994 km/s
    Conjunction Risk Parameters R (Radial): 2.666 | I (In-track): -0.327 | C (Cross-track): 1.094
    Collision Risk Index (CRI) 0.38
    X Position (km) -62.479 -63.366
    Position Y (km) -33.281 -32.548
    Position Z (km) 7444.289 7446.95
    Velocity X (km/s) 6.182 -2.857
    Velocity Y (km/s) 3.954 -6.727
    Velocity Z (km/s) 0.091 -0.041

    Orbital Parameters 国际轨道数据源

    Parameter PORCUPINE 2 TRANSAT DEB
    Semimajor Axis (a) 7501.317 km 7444.039 km
    Eccentricity (e) 0.007171 0.002271
    Inclination (i) 90.0433° 89.6494°
    RAAN 212.5927° 67.0766°
    Perigee Argument 72.8490° 328.4423°
    Mean Anomaly (M) 349.2605° 31.5366°
    Apogee 1176.976 km 1082.806 km
    Perigee 1069.384 km 1048.998 km
    Orbit Epoch 2026-11-02T18:41:17+0000 2026-11-02T19:05:46+0000

    PORCUPINE 2 & TRANSAT DEB Collision Probability (Pc) Trend

    PORCUPINE 2 & TRANSAT DEB Collision Probability (Pc) TrendNot Available

    PORCUPINE 2 & TRANSAT DEB Miss Distance (Miss Distance) Trend

    PORCUPINE 2 & TRANSAT DEB Miss Distance (Miss Distance) TrendNot Available

    PORCUPINE 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TRANSAT DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PORCUPINE 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    TRANSAT DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PORCUPINE 2

    No nearby objects data