Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.132824E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:38:10+0800
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    1 Object 1

    AOE ID 34129
    NORAD ID 34129
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 68485
    NORAD ID 68485
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB CAPELLA-20 (ACADIA)
    Time of Closest Approach 2026-10-22T16:38:43+0000
    Collision Probability (Pc) 3.132824E-6
    Conjunction Distance (km) 1.938 km
    Relative Speed (km/s) 15.016 km/s
    Conjunction Risk Parameters R (Radial): -1.41 | I (In-track): 0.143 | C (Cross-track): 1.322
    Collision Risk Index (CRI) 0.45
    X Position (km) -2067.561 -2065.875
    Position Y (km) -3957.937 -3957.419
    Position Z (km) 5370.219 5369.416
    Velocity X (km/s) 0.448 1.211
    Velocity Y (km/s) -6.174 5.773
    Velocity Z (km/s) -4.347 4.718

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB CAPELLA-20 (ACADIA)
    Semimajor Axis (a) 7006.512 km 6982.480 km
    Eccentricity (e) 0.003218 0.000971
    Inclination (i) 74.0296° 97.7727°
    RAAN 86.2061° 250.1493°
    Perigee Argument 90.7198° 294.4651°
    Mean Anomaly (M) 269.7666° 325.5682°
    Apogee 650.922 km 611.121 km
    Perigee 605.828 km 597.565 km
    Orbit Epoch 2026-10-20T20:17:05+0000 2026-10-20T22:00:02+0000

    COSMOS 2251 DEB & CAPELLA-20 (ACADIA) Collision Probability (Pc) Trend

    COSMOS 2251 DEB & CAPELLA-20 (ACADIA) Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & CAPELLA-20 (ACADIA) Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & CAPELLA-20 (ACADIA) Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CAPELLA-20 (ACADIA)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CAPELLA-20 (ACADIA)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data