Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.003046E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T01:23:42+0800
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    1 Object 1

    AOE ID 49387
    NORAD ID 49387
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59881
    NORAD ID 59881
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SDGSAT 1 PREFIRE-2
    Time of Closest Approach 2026-10-31T07:56:22+0000
    Collision Probability (Pc) 1.003046E-4
    Conjunction Distance (km) 0.665 km
    Relative Speed (km/s) 15.052 km/s
    Conjunction Risk Parameters R (Radial): 0.634 | I (In-track): -0.04 | C (Cross-track): 0.197
    Collision Risk Index (CRI) 0.75
    X Position (km) -5798.571 -5799.171
    Position Y (km) 1867.436 1867.419
    Position Z (km) -3214.078 -3214.364
    Velocity X (km/s) 3.667 -2.991
    Velocity Y (km/s) -0.042 2.124
    Velocity Z (km/s) -6.664 6.659

    Orbital Parameters 国际轨道数据源

    Parameter SDGSAT 1 PREFIRE-2
    Semimajor Axis (a) 6885.026 km 6878.473 km
    Eccentricity (e) 0.001007 0.001350
    Inclination (i) 97.2478° 97.3893°
    RAAN 344.6978° 156.4859°
    Perigee Argument 149.7119° 94.0900°
    Mean Anomaly (M) 210.4700° 266.1879°
    Apogee 513.823 km 509.624 km
    Perigee 499.955 km 491.048 km
    Orbit Epoch 2026-10-29T23:25:18+0000 2026-10-29T13:27:18+0000

    SDGSAT 1 & PREFIRE-2 Collision Probability (Pc) Trend

    SDGSAT 1 & PREFIRE-2 Collision Probability (Pc) TrendNot Available

    SDGSAT 1 & PREFIRE-2 Miss Distance (Miss Distance) Trend

    SDGSAT 1 & PREFIRE-2 Miss Distance (Miss Distance) TrendNot Available

    SDGSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PREFIRE-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SDGSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    PREFIRE-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SDGSAT 1

    No nearby objects data