Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.972871E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T21:27:30+0800
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    1 Object 1

    AOE ID 42374
    NORAD ID 42374
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    Name GRUS-3C
    AOE ID 69891
    NORAD ID 69891
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter NOAA 16 DEB GRUS-3C
    Time of Closest Approach 2026-10-18T13:39:55+0000
    Collision Probability (Pc) 1.972871E-6
    Conjunction Distance (km) 2.15 km
    Relative Speed (km/s) 10.798 km/s
    Conjunction Risk Parameters R (Radial): 0.597 | I (In-track): 1.449 | C (Cross-track): -1.472
    Collision Risk Index (CRI) 0.41
    X Position (km) -923.32 -925.062
    Position Y (km) -1111.687 -1110.557
    Position Z (km) -6829.479 -6830.037
    Velocity X (km/s) -1.15 -7.36
    Velocity Y (km/s) 7.386 -1.162
    Velocity Z (km/s) -1.042 1.182

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB GRUS-3C
    Semimajor Axis (a) 6975.324 km 6970.884 km
    Eccentricity (e) 0.000685 0.000673
    Inclination (i) 98.8358° 97.7406°
    RAAN 96.8770° 189.8287°
    Perigee Argument 333.0835° 149.5301°
    Mean Anomaly (M) 27.0024° 210.6310°
    Apogee 601.964 km 597.435 km
    Perigee 592.410 km 588.059 km
    Orbit Epoch 2026-10-17T21:59:25+0000 2026-10-18T04:22:06+0000

    NOAA 16 DEB & GRUS-3C Collision Probability (Pc) Trend

    NOAA 16 DEB & GRUS-3C Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & GRUS-3C Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & GRUS-3C Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GRUS-3CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    GRUS-3CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data