Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.493279E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T21:13:36+0800
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    1 Object 1

    AOE ID 59536
    NORAD ID 59536
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63996
    NORAD ID 63996
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31721 STARLINK-34158
    Time of Closest Approach 2026-09-12T00:02:03+0000
    Collision Probability (Pc) 4.493279E-7
    Conjunction Distance (km) 2.664 km
    Relative Speed (km/s) 1.32 km/s
    Conjunction Risk Parameters R (Radial): 0.732 | I (In-track): -2.551 | C (Cross-track): -0.224
    Collision Risk Index (CRI) 0.28
    X Position (km) 1585.231 1587.493
    Position Y (km) -4784.253 -4782.938
    Position Z (km) -4659.475 -4658.976
    Velocity X (km/s) 7.344 7.062
    Velocity Y (km/s) 1.964 2.816
    Velocity Z (km/s) 0.483 -0.484

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31721 STARLINK-34158
    Semimajor Axis (a) 6861.194 km 6861.074 km
    Eccentricity (e) 0.000104 0.000168
    Inclination (i) 43.0033° 43.0052°
    RAAN 27.6059° 36.2700°
    Perigee Argument 270.3829° 279.6881°
    Mean Anomaly (M) 89.6904° 80.3781°
    Apogee 483.771 km 484.087 km
    Perigee 482.343 km 481.787 km
    Orbit Epoch 2026-09-09T01:47:11+0000 2026-09-10T02:56:38+0000

    STARLINK-31721 & STARLINK-34158 Collision Probability (Pc) Trend

    STARLINK-31721 & STARLINK-34158 Collision Probability (Pc) TrendNot Available

    STARLINK-31721 & STARLINK-34158 Miss Distance (Miss Distance) Trend

    STARLINK-31721 & STARLINK-34158 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31721Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34158Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31721Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34158Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31721

    No nearby objects data