Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.269546E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T20:04:18+0800
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    1 Object 1

    AOE ID 49175
    NORAD ID 49175
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 55273
    NORAD ID 55273
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3087 STARLINK-5291
    Time of Closest Approach 2026-09-07T08:21:03+0000
    Collision Probability (Pc) 1.269546E-6
    Conjunction Distance (km) 2.928 km
    Relative Speed (km/s) 12.8 km/s
    Conjunction Risk Parameters R (Radial): -2.66 | I (In-track): 0.644 | C (Cross-track): -1.039
    Collision Risk Index (CRI) 0.37
    X Position (km) -3944.042 -3943.1
    Position Y (km) 2087.95 2086.067
    Position Z (km) -5337.476 -5335.441
    Velocity X (km/s) -6.226 2.453
    Velocity Y (km/s) -1.269 -5.862
    Velocity Z (km/s) 4.104 -4.105

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3087 STARLINK-5291
    Semimajor Axis (a) 6952.668 km 6950.208 km
    Eccentricity (e) 0.000319 0.000321
    Inclination (i) 69.9997° 69.9996°
    RAAN 183.4515° 311.7874°
    Perigee Argument 268.1860° 270.0371°
    Mean Anomaly (M) 91.8933° 90.0421°
    Apogee 576.747 km 574.300 km
    Perigee 572.315 km 569.842 km
    Orbit Epoch 2026-09-05T03:41:34+0000 2026-09-05T04:02:06+0000

    STARLINK-3087 & STARLINK-5291 Collision Probability (Pc) Trend

    STARLINK-3087 & STARLINK-5291 Collision Probability (Pc) TrendNot Available

    STARLINK-3087 & STARLINK-5291 Miss Distance (Miss Distance) Trend

    STARLINK-3087 & STARLINK-5291 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3087Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5291Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3087Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5291Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3087

    No nearby objects data