Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.506865E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:49:00+0800
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    1 Object 1

    Name GRUS-3G
    AOE ID 69878
    NORAD ID 69878
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 69897
    NORAD ID 69897
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GRUS-3G SPEAR-1C
    Time of Closest Approach 2026-10-21T02:30:19+0000
    Collision Probability (Pc) 1.506865E-6
    Conjunction Distance (km) 1.173 km
    Relative Speed (km/s) 0.011 km/s
    Conjunction Risk Parameters R (Radial): 1.118 | I (In-track): -0.083 | C (Cross-track): 0.346
    Collision Risk Index (CRI) 0.39
    X Position (km) -589.201 -589.29
    Position Y (km) -1091.086 -1090.91
    Position Z (km) -6869.875 -6871.031
    Velocity X (km/s) -7.335 -7.337
    Velocity Y (km/s) -1.536 -1.526
    Velocity Z (km/s) 0.869 0.871

    Orbital Parameters 国际轨道数据源

    Parameter GRUS-3G SPEAR-1C
    Semimajor Axis (a) 6970.278 km 6973.071 km
    Eccentricity (e) 0.000726 0.000269
    Inclination (i) 97.7407° 97.7467°
    RAAN 190.8340° 190.7580°
    Perigee Argument 152.8757° 134.3723°
    Mean Anomaly (M) 207.2843° 225.7716°
    Apogee 597.205 km 596.809 km
    Perigee 587.077 km 593.059 km
    Orbit Epoch 2026-10-19T04:11:49+0000 2026-10-19T04:10:08+0000

    GRUS-3G & SPEAR-1C Collision Probability (Pc) Trend

    GRUS-3G & SPEAR-1C Collision Probability (Pc) TrendNot Available

    GRUS-3G & SPEAR-1C Miss Distance (Miss Distance) Trend

    GRUS-3G & SPEAR-1C Miss Distance (Miss Distance) TrendNot Available

    GRUS-3GMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SPEAR-1CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GRUS-3GCollision Probability Trend

    Object 1 Probability TrendNot Available

    SPEAR-1CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GRUS-3G

    No nearby objects data