Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.554895E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:26:11+0800
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    1 Object 1

    AOE ID 53180
    NORAD ID 53180
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65737
    NORAD ID 65737
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4258 STARLINK-35121
    Time of Closest Approach 2026-09-04T12:45:52+0000
    Collision Probability (Pc) 1.554895E-6
    Conjunction Distance (km) 2.51 km
    Relative Speed (km/s) 12.194 km/s
    Conjunction Risk Parameters R (Radial): 2.288 | I (In-track): 0.619 | C (Cross-track): -0.825
    Collision Risk Index (CRI) 0.39
    X Position (km) -5497.163 -5495.936
    Position Y (km) -4030.376 -4028.198
    Position Z (km) -624.286 -624.074
    Velocity X (km/s) 3.159 2.274
    Velocity Y (km/s) -3.38 -4.031
    Velocity Z (km/s) -6.072 6.072

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4258 STARLINK-35121
    Semimajor Axis (a) 6843.392 km 6840.865 km
    Eccentricity (e) 0.000112 0.000120
    Inclination (i) 53.1617° 53.1569°
    RAAN 44.9464° 230.8326°
    Perigee Argument 91.3725° 102.4677°
    Mean Anomaly (M) 268.7406° 257.6461°
    Apogee 466.024 km 463.552 km
    Perigee 464.486 km 461.904 km
    Orbit Epoch 2026-09-01T19:49:33+0000 2026-09-02T06:04:48+0000

    STARLINK-4258 & STARLINK-35121 Collision Probability (Pc) Trend

    STARLINK-4258 & STARLINK-35121 Collision Probability (Pc) TrendNot Available

    STARLINK-4258 & STARLINK-35121 Miss Distance (Miss Distance) Trend

    STARLINK-4258 & STARLINK-35121 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4258Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35121Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4258Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35121Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4258

    No nearby objects data