Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.674704E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:30:41+0800
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    1 Object 1

    Name SSA
    AOE ID 13844
    NORAD ID 13844
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58983
    NORAD ID 58983
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SSA STARLINK-31384
    Time of Closest Approach 2026-09-06T13:47:22+0000
    Collision Probability (Pc) 9.674704E-7
    Conjunction Distance (km) 1.863 km
    Relative Speed (km/s) 1.716 km/s
    Conjunction Risk Parameters R (Radial): 1.527 | I (In-track): 1.008 | C (Cross-track): 0.353
    Collision Risk Index (CRI) 0.35
    X Position (km) 5019.011 5020.856
    Position Y (km) -3176.163 -3176.358
    Position Z (km) 3381.839 3382.003
    Velocity X (km/s) 5.083 5.136
    Velocity Y (km/s) 1.614 2.987
    Velocity Z (km/s) -5.829 -4.802

    Orbital Parameters 国际轨道数据源

    Parameter SSA STARLINK-31384
    Semimajor Axis (a) 7348.917 km 6840.888 km
    Eccentricity (e) 0.070499 0.000168
    Inclination (i) 63.3118° 53.1590°
    RAAN 171.9789° 187.0755°
    Perigee Argument 136.2934° 94.0486°
    Mean Anomaly (M) 229.6207° 266.0708°
    Apogee 1488.872 km 463.899 km
    Perigee 452.688 km 461.603 km
    Orbit Epoch 2026-09-03T18:56:15+0000 2026-09-03T13:15:53+0000

    SSA & STARLINK-31384 Collision Probability (Pc) Trend

    SSA & STARLINK-31384 Collision Probability (Pc) TrendNot Available

    SSA & STARLINK-31384 Miss Distance (Miss Distance) Trend

    SSA & STARLINK-31384 Miss Distance (Miss Distance) TrendNot Available

    SSAMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31384Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SSACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31384Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SSA

    No nearby objects data