Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.678459E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T22:27:35+0800
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    1 Object 1

    Name SEMI-1L
    AOE ID 66294
    NORAD ID 66294
    Object Type PAYLOAD
    Country
    TR TR
    VS

    2 Object 2

    AOE ID 67270
    NORAD ID 67270
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter SEMI-1L OBJECT Y
    Time of Closest Approach 2026-09-05T14:28:48+0000
    Collision Probability (Pc) 1.678459E-6
    Conjunction Distance (km) 2.336 km
    Relative Speed (km/s) 11.069 km/s
    Conjunction Risk Parameters R (Radial): 1.378 | I (In-track): 1.285 | C (Cross-track): 1.381
    Collision Risk Index (CRI) 0.39
    X Position (km) 4200.832 4203.164
    Position Y (km) -2464.12 -2464.206
    Position Z (km) -4862.468 -4862.36
    Velocity X (km/s) 4.39 3.849
    Velocity Y (km/s) 6.178 -3.857
    Velocity Z (km/s) 0.659 5.299

    Orbital Parameters 国际轨道数据源

    Parameter SEMI-1L OBJECT Y
    Semimajor Axis (a) 6878.790 km 6870.062 km
    Eccentricity (e) 0.000307 0.001560
    Inclination (i) 45.4055° 97.3879°
    RAAN 52.0787° 321.7330°
    Perigee Argument 197.5160° 84.2191°
    Mean Anomaly (M) 162.5621° 276.0825°
    Apogee 502.766 km 502.643 km
    Perigee 498.540 km 481.207 km
    Orbit Epoch 2026-09-05T03:48:54+0000 2026-09-05T03:39:11+0000

    SEMI-1L & OBJECT Y Collision Probability (Pc) Trend

    SEMI-1L & OBJECT Y Collision Probability (Pc) TrendNot Available

    SEMI-1L & OBJECT Y Miss Distance (Miss Distance) Trend

    SEMI-1L & OBJECT Y Miss Distance (Miss Distance) TrendNot Available

    SEMI-1LMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT YMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SEMI-1LCollision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT YCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SEMI-1L

    No nearby objects data