Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.354115E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T21:44:49+0800
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    1 Object 1

    AOE ID 58827
    NORAD ID 58827
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62659
    NORAD ID 62659
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31271 FLOCK 4G 4
    Time of Closest Approach 2026-09-05T18:23:23+0000
    Collision Probability (Pc) 2.354115E-6
    Conjunction Distance (km) 2.09 km
    Relative Speed (km/s) 12.919 km/s
    Conjunction Risk Parameters R (Radial): 1.381 | I (In-track): -0.825 | C (Cross-track): 1.335
    Collision Risk Index (CRI) 0.42
    X Position (km) 3962.033 3962.43
    Position Y (km) -1479.411 -1478.349
    Position Z (km) -5383.622 -5381.866
    Velocity X (km/s) 1.248 4.936
    Velocity Y (km/s) 7.437 -3.536
    Velocity Z (km/s) -1.126 4.611

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31271 FLOCK 4G 4
    Semimajor Axis (a) 6840.853 km 6837.499 km
    Eccentricity (e) 0.000096 0.000320
    Inclination (i) 53.1582° 97.3888°
    RAAN 95.6390° 329.4560°
    Perigee Argument 75.3694° 48.7823°
    Mean Anomaly (M) 284.7415° 311.3695°
    Apogee 463.376 km 461.547 km
    Perigee 462.056 km 457.177 km
    Orbit Epoch 2026-09-03T21:29:37+0000 2026-09-05T04:32:31+0000

    STARLINK-31271 & FLOCK 4G 4 Collision Probability (Pc) Trend

    STARLINK-31271 & FLOCK 4G 4 Collision Probability (Pc) TrendNot Available

    STARLINK-31271 & FLOCK 4G 4 Miss Distance (Miss Distance) Trend

    STARLINK-31271 & FLOCK 4G 4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31271Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31271Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31271

    No nearby objects data