Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.072022E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T18:18:42+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 55395
    NORAD ID 55395
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PROBA 1 STARLINK-5274
    Time of Closest Approach 2026-10-31T13:33:27+0000
    Collision Probability (Pc) 3.072022E-6
    Conjunction Distance (km) 1.908 km
    Relative Speed (km/s) 13.62 km/s
    Conjunction Risk Parameters R (Radial): 1.641 | I (In-track): -0.407 | C (Cross-track): -0.883
    Collision Risk Index (CRI) 0.45
    X Position (km) -1095.951 -1095.921
    Position Y (km) 2214.983 2216.398
    Position Z (km) -6499.418 -6500.696
    Velocity X (km/s) 5.523 -7.374
    Velocity Y (km/s) -4.528 -1.51
    Velocity Z (km/s) -2.442 0.728

    Orbital Parameters 国际轨道数据源

    Parameter PROBA 1 STARLINK-5274
    Semimajor Axis (a) 6920.637 km 6950.197 km
    Eccentricity (e) 0.005513 0.000271
    Inclination (i) 97.9588° 70.0007°
    RAAN 316.2870° 194.9012°
    Perigee Argument 28.1282° 264.0033°
    Mean Anomaly (M) 332.2904° 96.0818°
    Apogee 580.655 km 573.943 km
    Perigee 504.345 km 570.177 km
    Orbit Epoch 2026-10-29T23:49:11+0000 2026-10-29T10:39:39+0000

    PROBA 1 & STARLINK-5274 Collision Probability (Pc) Trend

    PROBA 1 & STARLINK-5274 Collision Probability (Pc) TrendNot Available

    PROBA 1 & STARLINK-5274 Miss Distance (Miss Distance) Trend

    PROBA 1 & STARLINK-5274 Miss Distance (Miss Distance) TrendNot Available

    PROBA 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5274Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PROBA 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5274Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PROBA 1

    No nearby objects data