Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.438419E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-21T03:39:29+0800
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    1 Object 1

    AOE ID 57172
    NORAD ID 57172
    Object Type UNKNOWN
    Country
    TBD TBD
    ← VS →

    2 Object 2

    AOE ID 66732
    NORAD ID 66732
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT G FLOCK 4H 29
    Time of Closest Approach 2026-09-21T05:46:53+0000
    Collision Probability (Pc) 7.438419E-7
    Conjunction Distance (km) 2.112 km
    Relative Speed (km/s) 1.764 km/s
    Conjunction Risk Parameters R (Radial): -0.428 | I (In-track): 2.054 | C (Cross-track): -0.235
    Collision Risk Index (CRI) 0.32
    X Position (km) 497.187 498.931
    Position Y (km) 752.33 751.223
    Position Z (km) -6832.922 -6832.486
    Velocity X (km/s) 6.034 6.927
    Velocity Y (km/s) -4.605 -3.104
    Velocity Z (km/s) -0.076 0.166

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT G FLOCK 4H 29
    Semimajor Axis (a) 6878.793 km 6881.692 km
    Eccentricity (e) 0.001346 0.000453
    Inclination (i) 97.4952° 97.4093°
    RAAN 321.4805° 334.9454°
    Perigee Argument 142.5951° 65.6249°
    Mean Anomaly (M) 217.6224° 294.5459°
    Apogee 509.913 km 506.671 km
    Perigee 491.399 km 500.439 km
    Orbit Epoch 2026-09-20T03:21:03+0000 2026-09-20T03:19:32+0000

    OBJECT G & FLOCK 4H 29 Collision Probability (Pc) Trend

    OBJECT G & FLOCK 4H 29 Collision Probability (Pc) TrendNot Available

    OBJECT G & FLOCK 4H 29 Miss Distance (Miss Distance) Trend

    OBJECT G & FLOCK 4H 29 Miss Distance (Miss Distance) TrendNot Available

    OBJECT GMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 29Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT GCollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 29Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT G

    No nearby objects data