Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.106584E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T01:52:50+0800
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    1 Object 1

    AOE ID 49415
    NORAD ID 49415
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61779
    NORAD ID 61779
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter STARLINK-3159 MSU ALTAIR
    Time of Closest Approach 2026-09-05T18:30:01+0000
    Collision Probability (Pc) 9.106584E-7
    Conjunction Distance (km) 2.677 km
    Relative Speed (km/s) 5.741 km/s
    Conjunction Risk Parameters R (Radial): 1.688 | I (In-track): -1.924 | C (Cross-track): -0.78
    Collision Risk Index (CRI) 0.34
    X Position (km) 3206.611 3206.337
    Position Y (km) -6032.833 -6031.188
    Position Z (km) 356.385 354.292
    Velocity X (km/s) 4.2 -0.665
    Velocity Y (km/s) 1.863 -0.813
    Velocity Z (km/s) -6.1 -7.559

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3159 MSU ALTAIR
    Semimajor Axis (a) 6840.863 km 6829.102 km
    Eccentricity (e) 0.000128 0.001299
    Inclination (i) 53.1601° 97.2903°
    RAAN 123.4278° 117.1316°
    Perigee Argument 83.1402° 25.8700°
    Mean Anomaly (M) 276.9746° 334.3192°
    Apogee 463.601 km 459.834 km
    Perigee 461.851 km 442.096 km
    Orbit Epoch 2026-09-05T02:06:12+0000 2026-09-05T06:48:24+0000

    STARLINK-3159 & MSU ALTAIR Collision Probability (Pc) Trend

    STARLINK-3159 & MSU ALTAIR Collision Probability (Pc) TrendNot Available

    STARLINK-3159 & MSU ALTAIR Miss Distance (Miss Distance) Trend

    STARLINK-3159 & MSU ALTAIR Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3159Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    MSU ALTAIRMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3159Collision Probability Trend

    Object 1 Probability TrendNot Available

    MSU ALTAIRCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3159

    No nearby objects data