Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.183856E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T03:08:38+0800
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    1 Object 1

    AOE ID 897
    NORAD ID 897
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 26816
    NORAD ID 26816
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter OPS 5798 (TRANSIT 5B-4) NIMBUS 2 DEB
    Time of Closest Approach 2026-10-15T02:52:52+0000
    Collision Probability (Pc) 1.183856E-5
    Conjunction Distance (km) 1.262 km
    Relative Speed (km/s) 14.402 km/s
    Conjunction Risk Parameters R (Radial): -0.202 | I (In-track): -0.208 | C (Cross-track): -1.227
    Collision Risk Index (CRI) 0.56
    X Position (km) -822.327 -823.51
    Position Y (km) -3853.538 -3853.205
    Position Z (km) -6305.406 -6305.694
    Velocity X (km/s) 1.24 -3.643
    Velocity Y (km/s) 6.075 -5.204
    Velocity Z (km/s) -3.889 3.616

    Orbital Parameters 国际轨道数据源

    Parameter OPS 5798 (TRANSIT 5B-4) NIMBUS 2 DEB
    Semimajor Axis (a) 7436.646 km 7418.166 km
    Eccentricity (e) 0.001913 0.005023
    Inclination (i) 90.2306° 100.3344°
    RAAN 78.2484° 237.7984°
    Perigee Argument 193.8153° 201.4034°
    Mean Anomaly (M) 298.7299° 172.8224°
    Apogee 1072.733 km 1077.288 km
    Perigee 1044.285 km 1002.770 km
    Orbit Epoch 2026-10-11T22:05:04+0000 2026-10-12T02:47:35+0000

    OPS 5798 (TRANSIT 5B-4) & NIMBUS 2 DEB Collision Probability (Pc) Trend

    OPS 5798 (TRANSIT 5B-4) & NIMBUS 2 DEB Collision Probability (Pc) TrendNot Available

    OPS 5798 (TRANSIT 5B-4) & NIMBUS 2 DEB Miss Distance (Miss Distance) Trend

    OPS 5798 (TRANSIT 5B-4) & NIMBUS 2 DEB Miss Distance (Miss Distance) TrendNot Available

    OPS 5798 (TRANSIT 5B-4)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NIMBUS 2 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 5798 (TRANSIT 5B-4)Collision Probability Trend

    Object 1 Probability TrendNot Available

    NIMBUS 2 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 5798 (TRANSIT 5B-4)

    No nearby objects data