Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.613259E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T01:05:17+0800
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    1 Object 1

    AOE ID 53531
    NORAD ID 53531
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64884
    NORAD ID 64884
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-4487 OBJECT J
    Time of Closest Approach 2026-10-29T12:16:10+0000
    Collision Probability (Pc) 2.613259E-6
    Conjunction Distance (km) 2.072 km
    Relative Speed (km/s) 14.748 km/s
    Conjunction Risk Parameters R (Radial): 0.117 | I (In-track): -0.53 | C (Cross-track): -1.998
    Collision Risk Index (CRI) 0.43
    X Position (km) 349.296 347.388
    Position Y (km) -6758.275 -6758.365
    Position Z (km) -1066.43 -1067.23
    Velocity X (km/s) 4.575 -0.943
    Velocity Y (km/s) 1.175 -1.215
    Velocity Z (km/s) -5.992 7.474

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4487 OBJECT J
    Semimajor Axis (a) 6848.935 km 6849.271 km
    Eccentricity (e) 0.000114 0.000959
    Inclination (i) 53.1580° 97.4752°
    RAAN 93.5997° 270.1764°
    Perigee Argument 73.3757° 64.1832°
    Mean Anomaly (M) 320.0250° 296.0398°
    Apogee 471.579 km 477.704 km
    Perigee 470.017 km 464.564 km
    Orbit Epoch 2026-10-27T22:00:02+0000 2026-10-27T22:40:34+0000

    STARLINK-4487 & OBJECT J Collision Probability (Pc) Trend

    STARLINK-4487 & OBJECT J Collision Probability (Pc) TrendNot Available

    STARLINK-4487 & OBJECT J Miss Distance (Miss Distance) Trend

    STARLINK-4487 & OBJECT J Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4487Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT JMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4487Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT JCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4487

    No nearby objects data