Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.514463E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T21:33:49+0800
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    1 Object 1

    Name GLAST
    AOE ID 33053
    NORAD ID 33053
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59581
    NORAD ID 59581
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GLAST STARLINK-31690
    Time of Closest Approach 2026-10-16T14:17:38+0000
    Collision Probability (Pc) 9.514463E-7
    Conjunction Distance (km) 2.903 km
    Relative Speed (km/s) 7.538 km/s
    Conjunction Risk Parameters R (Radial): -2.897 | I (In-track): 0.141 | C (Cross-track): -0.081
    Collision Risk Index (CRI) 0.35
    X Position (km) 4970.715 4968.506
    Position Y (km) 4276.251 4274.561
    Position Z (km) -2033.843 -2033.014
    Velocity X (km/s) -4.135 -4.906
    Velocity Y (km/s) 5.942 3.478
    Velocity Z (km/s) 2.396 -4.686

    Orbital Parameters 国际轨道数据源

    Parameter GLAST STARLINK-31690
    Semimajor Axis (a) 6870.454 km 6861.186 km
    Eccentricity (e) 0.000759 0.000166
    Inclination (i) 25.5811° 43.0043°
    RAAN 86.9810° 204.0636°
    Perigee Argument 313.3128° 260.8104°
    Mean Anomaly (M) 46.6777° 99.2560°
    Apogee 497.535 km 484.186 km
    Perigee 487.099 km 481.912 km
    Orbit Epoch 2026-10-15T18:03:39+0000 2026-10-16T02:24:46+0000

    GLAST & STARLINK-31690 Collision Probability (Pc) Trend

    GLAST & STARLINK-31690 Collision Probability (Pc) TrendNot Available

    GLAST & STARLINK-31690 Miss Distance (Miss Distance) Trend

    GLAST & STARLINK-31690 Miss Distance (Miss Distance) TrendNot Available

    GLASTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31690Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GLASTCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31690Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GLAST

    No nearby objects data