Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.827811E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T15:11:54+0800
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    1 Object 1

    Name NOAA 12
    AOE ID 21263
    NORAD ID 21263
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 25397
    NORAD ID 25397
    Object Type PAYLOAD
    Country
    IL IL

    Conjunction Constraints

    Parameter NOAA 12 TECHSAT 1B
    Time of Closest Approach 2026-09-07T13:57:17+0000
    Collision Probability (Pc) 3.827811E-7
    Conjunction Distance (km) 2.77 km
    Relative Speed (km/s) 0.968 km/s
    Conjunction Risk Parameters R (Radial): 2.77 | I (In-track): 0.016 | C (Cross-track): -0.029
    Collision Risk Index (CRI) 0.27
    X Position (km) 1148.834 1149.293
    Position Y (km) -196.957 -197.061
    Position Z (km) -7098.483 -7101.213
    Velocity X (km/s) -3.881 -3.042
    Velocity Y (km/s) -6.32 -6.774
    Velocity Z (km/s) -0.462 -0.303

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 12 TECHSAT 1B
    Semimajor Axis (a) 7180.723 km 7188.510 km
    Eccentricity (e) 0.001412 0.000154
    Inclination (i) 98.6288° 99.0142°
    RAAN 235.2936° 242.5099°
    Perigee Argument 151.3089° 31.9632°
    Mean Anomaly (M) 208.8871° 328.1639°
    Apogee 812.724 km 811.482 km
    Perigee 792.448 km 809.264 km
    Orbit Epoch 2026-09-04T22:26:10+0000 2026-09-04T17:16:10+0000

    NOAA 12 & TECHSAT 1B Collision Probability (Pc) Trend

    NOAA 12 & TECHSAT 1B Collision Probability (Pc) TrendNot Available

    NOAA 12 & TECHSAT 1B Miss Distance (Miss Distance) Trend

    NOAA 12 & TECHSAT 1B Miss Distance (Miss Distance) TrendNot Available

    NOAA 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TECHSAT 1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    TECHSAT 1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 12

    No nearby objects data