Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.394132E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:45:34+0800
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    1 Object 1

    AOE ID 51980
    NORAD ID 51980
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57023
    NORAD ID 57023
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3649 OBJECT V
    Time of Closest Approach 2026-09-04T21:20:08+0000
    Collision Probability (Pc) 5.394132E-6
    Conjunction Distance (km) 1.422 km
    Relative Speed (km/s) 8.307 km/s
    Conjunction Risk Parameters R (Radial): 0.53 | I (In-track): 1.104 | C (Cross-track): -0.724
    Collision Risk Index (CRI) 0.5
    X Position (km) -4941.218 -4940.822
    Position Y (km) 551.813 551.264
    Position Z (km) -4702.033 -4703.283
    Velocity X (km/s) 2.241 5.271
    Velocity Y (km/s) -6.585 0.791
    Velocity Z (km/s) -3.13 -5.455

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3649 OBJECT V
    Semimajor Axis (a) 6837.864 km 6837.291 km
    Eccentricity (e) 0.000118 0.000628
    Inclination (i) 53.1612° 97.4998°
    RAAN 314.1649° 359.8235°
    Perigee Argument 53.4793° 140.4042°
    Mean Anomaly (M) 306.6319° 219.7660°
    Apogee 460.536 km 463.446 km
    Perigee 458.918 km 454.862 km
    Orbit Epoch 2026-09-03T16:10:42+0000 2026-09-03T22:28:12+0000

    STARLINK-3649 & OBJECT V Collision Probability (Pc) Trend

    STARLINK-3649 & OBJECT V Collision Probability (Pc) TrendNot Available

    STARLINK-3649 & OBJECT V Miss Distance (Miss Distance) Trend

    STARLINK-3649 & OBJECT V Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT VMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3649Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT VCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3649

    No nearby objects data