Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.504186E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:12:52+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 26365
    NORAD ID 26365
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 54821
    NORAD ID 54821
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 1 STARLINK-5385
    Time of Closest Approach 2026-09-05T13:04:50+0000
    Collision Probability (Pc) 6.504186E-6
    Conjunction Distance (km) 1.44 km
    Relative Speed (km/s) 11.624 km/s
    Conjunction Risk Parameters R (Radial): -1.437 | I (In-track): -0.056 | C (Cross-track): 0.07
    Collision Risk Index (CRI) 0.51
    X Position (km) 90.126 90.181
    Position Y (km) 5182.748 5181.628
    Position Z (km) -4501.555 -4500.651
    Velocity X (km/s) -0.557 -7.401
    Velocity Y (km/s) 4.978 -1.107
    Velocity Z (km/s) 5.736 -1.423

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 1 STARLINK-5385
    Semimajor Axis (a) 6858.786 km 6861.194 km
    Eccentricity (e) 0.001020 0.000087
    Inclination (i) 86.3389° 43.0005°
    RAAN 93.2841° 211.2390°
    Perigee Argument 56.3839° 256.5327°
    Mean Anomaly (M) 303.8381° 103.5427°
    Apogee 487.648 km 483.658 km
    Perigee 473.650 km 482.456 km
    Orbit Epoch 2026-09-03T07:50:01+0000 2026-09-03T14:27:53+0000

    SIMSAT 1 & STARLINK-5385 Collision Probability (Pc) Trend

    SIMSAT 1 & STARLINK-5385 Collision Probability (Pc) TrendNot Available

    SIMSAT 1 & STARLINK-5385 Miss Distance (Miss Distance) Trend

    SIMSAT 1 & STARLINK-5385 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5385Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5385Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 1

    No nearby objects data