Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.074227E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:12:41+0800
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    1 Object 1

    AOE ID 26366
    NORAD ID 26366
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 59244
    NORAD ID 59244
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 2 STARLINK-31285
    Time of Closest Approach 2026-09-04T05:35:39+0000
    Collision Probability (Pc) 2.074227E-4
    Conjunction Distance (km) 0.477 km
    Relative Speed (km/s) 12.562 km/s
    Conjunction Risk Parameters R (Radial): 0.458 | I (In-track): -0.082 | C (Cross-track): -0.102
    Collision Risk Index (CRI) 0.81
    X Position (km) -390.207 -390.339
    Position Y (km) -5537.442 -5537.761
    Position Z (km) 4022.614 4022.942
    Velocity X (km/s) 0.285 7.008
    Velocity Y (km/s) -4.501 1.434
    Velocity Z (km/s) -6.148 2.648

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 2 STARLINK-31285
    Semimajor Axis (a) 6854.563 km 6861.209 km
    Eccentricity (e) 0.000523 0.000073
    Inclination (i) 86.3401° 43.0031°
    RAAN 88.9634° 218.3158°
    Perigee Argument 353.7576° 272.5817°
    Mean Anomaly (M) 6.3606° 87.4952°
    Apogee 480.009 km 483.572 km
    Perigee 472.843 km 482.572 km
    Orbit Epoch 2026-09-03T13:16:05+0000 2026-09-03T15:12:43+0000

    SIMSAT 2 & STARLINK-31285 Collision Probability (Pc) Trend

    SIMSAT 2 & STARLINK-31285 Collision Probability (Pc) TrendNot Available

    SIMSAT 2 & STARLINK-31285 Miss Distance (Miss Distance) Trend

    SIMSAT 2 & STARLINK-31285 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31285Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31285Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 2

    No nearby objects data