Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.183595E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T00:57:29+0800
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    1 Object 1

    AOE ID 42322
    NORAD ID 42322
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69897
    NORAD ID 69897
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB SPEAR-1C
    Time of Closest Approach 2026-10-17T12:37:53+0000
    Collision Probability (Pc) 6.183595E-6
    Conjunction Distance (km) 1.541 km
    Relative Speed (km/s) 14.959 km/s
    Conjunction Risk Parameters R (Radial): 0.831 | I (In-track): -0.184 | C (Cross-track): 1.285
    Collision Risk Index (CRI) 0.51
    X Position (km) 6557.532 6557.008
    Position Y (km) 1327.308 1325.879
    Position Z (km) 1964.919 1964.683
    Velocity X (km/s) -1.823 2.289
    Velocity Y (km/s) -1.593 -0.621
    Velocity Z (km/s) 7.167 -7.183

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB SPEAR-1C
    Semimajor Axis (a) 6976.107 km 6973.105 km
    Eccentricity (e) 0.001538 0.000242
    Inclination (i) 98.7558° 97.7465°
    RAAN 10.6890° 187.5957°
    Perigee Argument 312.0836° 142.5585°
    Mean Anomaly (M) 47.9070° 217.5802°
    Apogee 608.702 km 596.658 km
    Perigee 587.238 km 593.278 km
    Orbit Epoch 2026-10-14T12:02:11+0000 2026-10-15T22:51:19+0000

    DMSP 5D-2 F13 DEB & SPEAR-1C Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & SPEAR-1C Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & SPEAR-1C Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & SPEAR-1C Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    SPEAR-1CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SPEAR-1CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data