Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.025349E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T18:42:34+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 65490
    NORAD ID 65490
    Object Type UNKNOWN
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 66598
    NORAD ID 66598
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT-C STARLINK-35981
    Time of Closest Approach 2026-09-16T12:25:11+0000
    Collision Probability (Pc) 1.025349E-6
    Conjunction Distance (km) 2.747 km
    Relative Speed (km/s) 7.582 km/s
    Conjunction Risk Parameters R (Radial): 1.248 | I (In-track): 2.122 | C (Cross-track): 1.219
    Collision Risk Index (CRI) 0.35
    X Position (km) 815.384 816.239
    Position Y (km) 6343.972 6343.516
    Position Z (km) 2477.63 2475.061
    Velocity X (km/s) 0.696 -6.15
    Velocity Y (km/s) -2.857 -0.936
    Velocity Z (km/s) 7.041 4.413

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT-C STARLINK-35981
    Semimajor Axis (a) 6868.476 km 6861.123 km
    Eccentricity (e) 0.001553 0.000221
    Inclination (i) 97.4112° 43.0014°
    RAAN 84.5230° 62.2289°
    Perigee Argument 56.0193° 285.9833°
    Mean Anomaly (M) 304.2518° 74.0775°
    Apogee 501.005 km 484.504 km
    Perigee 479.673 km 481.468 km
    Orbit Epoch 2026-09-15T11:07:57+0000 2026-09-15T19:01:08+0000

    OBJECT-C & STARLINK-35981 Collision Probability (Pc) Trend

    OBJECT-C & STARLINK-35981 Collision Probability (Pc) TrendNot Available

    OBJECT-C & STARLINK-35981 Miss Distance (Miss Distance) Trend

    OBJECT-C & STARLINK-35981 Miss Distance (Miss Distance) TrendNot Available

    OBJECT-CMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35981Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT-CCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35981Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT-C

    No nearby objects data