Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.431664E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T19:54:56+0800
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    1 Object 1

    AOE ID 40477
    NORAD ID 40477
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53754
    NORAD ID 53754
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB SHERPA-LTC2
    Time of Closest Approach 2026-10-19T03:28:08+0000
    Collision Probability (Pc) 1.431664E-6
    Conjunction Distance (km) 2.464 km
    Relative Speed (km/s) 10.039 km/s
    Conjunction Risk Parameters R (Radial): -1.941 | I (In-track): 1.095 | C (Cross-track): -1.051
    Collision Risk Index (CRI) 0.38
    X Position (km) -4426.635 -4426.689
    Position Y (km) 829.548 830.259
    Position Z (km) 5492.843 5495.202
    Velocity X (km/s) -5.206 -2.982
    Velocity Y (km/s) 2.765 -6.597
    Velocity Z (km/s) -4.622 -1.764

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB SHERPA-LTC2
    Semimajor Axis (a) 7108.321 km 7037.165 km
    Eccentricity (e) 0.002001 0.039077
    Inclination (i) 98.5603° 53.2340°
    RAAN 337.7252° 60.7587°
    Perigee Argument 219.9151° 209.2815°
    Mean Anomaly (M) 140.0571° 148.5745°
    Apogee 744.407 km 934.023 km
    Perigee 715.961 km 384.033 km
    Orbit Epoch 2026-10-18T02:00:37+0000 2026-10-17T19:58:25+0000

    DMSP 5D-2 F13 DEB & SHERPA-LTC2 Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & SHERPA-LTC2 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & SHERPA-LTC2 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & SHERPA-LTC2 Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHERPA-LTC2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHERPA-LTC2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data