Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.11068E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T03:53:14+0800
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    1 Object 1

    AOE ID 37831
    NORAD ID 37831
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    Name GRITSS
    AOE ID 69931
    NORAD ID 69931
    Object Type PAYLOAD
    Country
    NL NL

    Conjunction Constraints

    Parameter NOAA 12 DEB GRITSS
    Time of Closest Approach 2026-10-16T14:09:19+0000
    Collision Probability (Pc) 1.11068E-4
    Conjunction Distance (km) 0.64 km
    Relative Speed (km/s) 14.873 km/s
    Conjunction Risk Parameters R (Radial): 0.599 | I (In-track): -0.039 | C (Cross-track): 0.22
    Collision Risk Index (CRI) 0.76
    X Position (km) -5270.081 -5270.528
    Position Y (km) -152.272 -152.508
    Position Z (km) 4555.951 4556.341
    Velocity X (km/s) -4.905 4.836
    Velocity Y (km/s) 1.27 1.487
    Velocity Z (km/s) -5.617 5.62

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 12 DEB GRITSS
    Semimajor Axis (a) 6971.344 km 6968.116 km
    Eccentricity (e) 0.000019 0.000911
    Inclination (i) 98.1161° 97.7413°
    RAAN 353.1009° 186.5551°
    Perigee Argument 20.4420° 173.8035°
    Mean Anomaly (M) 7.3833° 186.3299°
    Apogee 593.341 km 596.325 km
    Perigee 593.073 km 583.633 km
    Orbit Epoch 2026-10-15T03:50:56+0000 2026-10-14T16:55:10+0000

    NOAA 12 DEB & GRITSS Collision Probability (Pc) Trend

    NOAA 12 DEB & GRITSS Collision Probability (Pc) TrendNot Available

    NOAA 12 DEB & GRITSS Miss Distance (Miss Distance) Trend

    NOAA 12 DEB & GRITSS Miss Distance (Miss Distance) TrendNot Available

    NOAA 12 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GRITSSMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 12 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    GRITSSCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 12 DEB

    No nearby objects data