Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.866278E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T09:08:44+0800
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    1 Object 1

    AOE ID 58781
    NORAD ID 58781
    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-31099 STARLINK-35121
    Time of Closest Approach 2026-09-14T06:09:46+0000
    Collision Probability (Pc) 4.866278E-5
    Conjunction Distance (km) 0.646 km
    Relative Speed (km/s) 4.385 km/s
    Conjunction Risk Parameters R (Radial): -0.453 | I (In-track): 0.44 | C (Cross-track): -0.133
    Collision Risk Index (CRI) 0.69
    X Position (km) 1158.704 1159.07
    Position Y (km) -4118.765 -4118.369
    Position Z (km) 5327.705 5327.35
    Velocity X (km/s) 6.581 7.508
    Velocity Y (km/s) 3.629 0.336
    Velocity Z (km/s) 1.371 -1.371

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31099 STARLINK-35121
    Semimajor Axis (a) 6840.869 km 6840.810 km
    Eccentricity (e) 0.000136 0.000133
    Inclination (i) 53.1605° 53.1598°
    RAAN 230.4939° 188.8106°
    Perigee Argument 91.1299° 82.1454°
    Mean Anomaly (M) 268.9859° 277.9700°
    Apogee 463.660 km 463.581 km
    Perigee 461.804 km 461.765 km
    Orbit Epoch 2026-09-11T07:28:57+0000 2026-09-11T05:48:38+0000

    STARLINK-31099 & STARLINK-35121 Collision Probability (Pc) Trend

    STARLINK-31099 & STARLINK-35121 Collision Probability (Pc) TrendNot Available

    STARLINK-31099 & STARLINK-35121 Miss Distance (Miss Distance) Trend

    STARLINK-31099 & STARLINK-35121 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31099Miss 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-31099Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35121Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31099

    No nearby objects data