Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.276694E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T18:33:34+0800
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    1 Object 1

    Name PROBA 1
    AOE ID 26958
    NORAD ID 26958
    Object Type PAYLOAD
    Country
    ESA ESA
    VS

    2 Object 2

    AOE ID 33393
    NORAD ID 33393
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PROBA 1 DEMOSAT/FALCON 1
    Time of Closest Approach 2026-09-06T08:55:09+0000
    Collision Probability (Pc) 1.276694E-6
    Conjunction Distance (km) 2.718 km
    Relative Speed (km/s) 10.839 km/s
    Conjunction Risk Parameters R (Radial): -0.788 | I (In-track): 1.823 | C (Cross-track): -1.854
    Collision Risk Index (CRI) 0.37
    X Position (km) -995.149 -993.506
    Position Y (km) -6835.388 -6835.082
    Position Z (km) -818.678 -816.536
    Velocity X (km/s) -1.171 7.433
    Velocity Y (km/s) -0.735 -1.174
    Velocity Z (km/s) 7.427 0.851

    Orbital Parameters 国际轨道数据源

    Parameter PROBA 1 DEMOSAT/FALCON 1
    Semimajor Axis (a) 6921.124 km 6954.408 km
    Eccentricity (e) 0.005371 0.000978
    Inclination (i) 97.9623° 9.3462°
    RAAN 259.5307° 319.2740°
    Perigee Argument 211.2412° 45.0169°
    Mean Anomaly (M) 148.5620° 315.0823°
    Apogee 580.158 km 583.070 km
    Perigee 505.816 km 569.472 km
    Orbit Epoch 2026-09-05T04:16:49+0000 2026-09-04T18:44:56+0000

    PROBA 1 & DEMOSAT/FALCON 1 Collision Probability (Pc) Trend

    PROBA 1 & DEMOSAT/FALCON 1 Collision Probability (Pc) TrendNot Available

    PROBA 1 & DEMOSAT/FALCON 1 Miss Distance (Miss Distance) Trend

    PROBA 1 & DEMOSAT/FALCON 1 Miss Distance (Miss Distance) TrendNot Available

    PROBA 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DEMOSAT/FALCON 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PROBA 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    DEMOSAT/FALCON 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PROBA 1

    No nearby objects data