Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.463859E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T00:12:48+0800
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    1 Object 1

    Name GRUS-1D
    AOE ID 47936
    NORAD ID 47936
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 55436
    NORAD ID 55436
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GRUS-1D STARLINK-5640
    Time of Closest Approach 2026-10-30T21:55:56+0000
    Collision Probability (Pc) 1.463859E-5
    Conjunction Distance (km) 1.027 km
    Relative Speed (km/s) 7.018 km/s
    Conjunction Risk Parameters R (Radial): -0.845 | I (In-track): -0.512 | C (Cross-track): 0.274
    Collision Risk Index (CRI) 0.58
    X Position (km) -3516.454 -3515.597
    Position Y (km) -946.216 -945.844
    Position Z (km) -5926.45 -5926.025
    Velocity X (km/s) -6.519 -3.426
    Velocity Y (km/s) 0.203 -6.041
    Velocity Z (km/s) 3.827 2.996

    Orbital Parameters 国际轨道数据源

    Parameter GRUS-1D STARLINK-5640
    Semimajor Axis (a) 6948.314 km 6950.112 km
    Eccentricity (e) 0.001083 0.000302
    Inclination (i) 97.5146° 70.0017°
    RAAN 181.7004° 233.9275°
    Perigee Argument 211.1997° 268.6261°
    Mean Anomaly (M) 148.8584° 49.2698°
    Apogee 577.705 km 574.077 km
    Perigee 562.649 km 569.873 km
    Orbit Epoch 2026-10-29T22:09:52+0000 2026-10-29T22:00:02+0000

    GRUS-1D & STARLINK-5640 Collision Probability (Pc) Trend

    GRUS-1D & STARLINK-5640 Collision Probability (Pc) TrendNot Available

    GRUS-1D & STARLINK-5640 Miss Distance (Miss Distance) Trend

    GRUS-1D & STARLINK-5640 Miss Distance (Miss Distance) TrendNot Available

    GRUS-1DMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5640Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GRUS-1DCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5640Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GRUS-1D

    No nearby objects data