Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.359155E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:55:25+0800
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    1 Object 1

    AOE ID 51987
    NORAD ID 51987
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68726
    NORAD ID 68726
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3644 STARLINK-37272
    Time of Closest Approach 2026-09-05T12:19:45+0000
    Collision Probability (Pc) 1.359155E-6
    Conjunction Distance (km) 1.735 km
    Relative Speed (km/s) 2.349 km/s
    Conjunction Risk Parameters R (Radial): 0.229 | I (In-track): 1.7 | C (Cross-track): -0.263
    Collision Risk Index (CRI) 0.38
    X Position (km) -3983.091 -3983.447
    Position Y (km) -1187.751 -1186.063
    Position Z (km) -5440.453 -5440.273
    Velocity X (km/s) 3.046 1.257
    Velocity Y (km/s) -6.952 -7.486
    Velocity Z (km/s) -0.713 0.712

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3644 STARLINK-37272
    Semimajor Axis (a) 6840.867 km 6840.773 km
    Eccentricity (e) 0.000119 0.000133
    Inclination (i) 53.1599° 53.1586°
    RAAN 311.9276° 289.4462°
    Perigee Argument 81.8496° 78.4610°
    Mean Anomaly (M) 278.2642° 281.6542°
    Apogee 463.547 km 463.548 km
    Perigee 461.913 km 461.724 km
    Orbit Epoch 2026-09-02T11:16:36+0000 2026-09-02T12:47:05+0000

    STARLINK-3644 & STARLINK-37272 Collision Probability (Pc) Trend

    STARLINK-3644 & STARLINK-37272 Collision Probability (Pc) TrendNot Available

    STARLINK-3644 & STARLINK-37272 Miss Distance (Miss Distance) Trend

    STARLINK-3644 & STARLINK-37272 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37272Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37272Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3644

    No nearby objects data