Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.234712E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T19:52:04+0800
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    1 Object 1

    AOE ID 35686
    NORAD ID 35686
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56339
    NORAD ID 56339
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter APRIZESAT 3 STARLINK-5552
    Time of Closest Approach 2026-09-13T19:02:59+0000
    Collision Probability (Pc) 3.234712E-6
    Conjunction Distance (km) 1.913 km
    Relative Speed (km/s) 14.918 km/s
    Conjunction Risk Parameters R (Radial): -1.336 | I (In-track): 0.282 | C (Cross-track): -1.338
    Collision Risk Index (CRI) 0.45
    X Position (km) -2126.877 -2127.685
    Position Y (km) -4215.027 -4213.592
    Position Z (km) 5043.873 5042.901
    Velocity X (km/s) -3.876 1.201
    Velocity Y (km/s) -4.143 5.507
    Velocity Z (km/s) -5.086 5.094

    Orbital Parameters 国际轨道数据源

    Parameter APRIZESAT 3 STARLINK-5552
    Semimajor Axis (a) 6956.030 km 6912.672 km
    Eccentricity (e) 0.006206 0.000211
    Inclination (i) 98.2178° 97.2850°
    RAAN 52.4925° 249.3561°
    Perigee Argument 139.6292° 92.3499°
    Mean Anomaly (M) 220.9559° 287.1147°
    Apogee 621.063 km 535.997 km
    Perigee 534.723 km 533.073 km
    Orbit Epoch 2026-09-12T00:44:16+0000 2026-09-12T00:00:02+0000

    APRIZESAT 3 & STARLINK-5552 Collision Probability (Pc) Trend

    APRIZESAT 3 & STARLINK-5552 Collision Probability (Pc) TrendNot Available

    APRIZESAT 3 & STARLINK-5552 Miss Distance (Miss Distance) Trend

    APRIZESAT 3 & STARLINK-5552 Miss Distance (Miss Distance) TrendNot Available

    APRIZESAT 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5552Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    APRIZESAT 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5552Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with APRIZESAT 3

    No nearby objects data