Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.831957E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T18:09:06+0800
    View CDM
    Download CDM 1.0

    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) 3.831957E-7
    Conjunction Distance (km) 2.768 km
    Relative Speed (km/s) 0.968 km/s
    Conjunction Risk Parameters R (Radial): 2.767 | I (In-track): 0.044 | C (Cross-track): -0.032
    Collision Risk Index (CRI) 0.27
    X Position (km) 1148.8 1149.246
    Position Y (km) -197.035 -197.165
    Position Z (km) -7098.49 -7101.218
    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) 0.001413 0.000153
    Inclination (i) 98.6289° 99.0142°
    RAAN 235.5702° 242.7982°
    Perigee Argument 150.5099° 31.4058°
    Mean Anomaly (M) 209.6881° 328.7211°
    Apogee 812.735 km 811.473 km
    Perigee 792.437 km 809.273 km
    Orbit Epoch 2026-09-05T05:10:07+0000 2026-09-05T00:00:46+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