Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.422674E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:56:19+0800
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    1 Object 1

    AOE ID 35703
    NORAD ID 35703
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 43776
    NORAD ID 43776
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB SPAWAR-CAL-R
    Time of Closest Approach 2026-10-22T08:31:44+0000
    Collision Probability (Pc) 1.422674E-6
    Conjunction Distance (km) 2.872 km
    Relative Speed (km/s) 14.94 km/s
    Conjunction Risk Parameters R (Radial): -2.473 | I (In-track): -0.252 | C (Cross-track): -1.435
    Collision Risk Index (CRI) 0.38
    X Position (km) -3133.867 -3135.862
    Position Y (km) 812.91 812.074
    Position Z (km) 6127.737 6129.625
    Velocity X (km/s) 4.151 -5.706
    Velocity Y (km/s) -5.698 3.643
    Velocity Z (km/s) 2.83 -3.397

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB SPAWAR-CAL-R
    Semimajor Axis (a) 6962.493 km 6926.428 km
    Eccentricity (e) 0.006137 0.001831
    Inclination (i) 74.0384° 97.4250°
    RAAN 139.6923° 328.9982°
    Perigee Argument 128.4872° 295.9695°
    Mean Anomaly (M) 232.1840° 63.9646°
    Apogee 627.086 km 560.977 km
    Perigee 541.626 km 535.605 km
    Orbit Epoch 2026-10-18T20:40:57+0000 2026-10-20T01:47:43+0000

    COSMOS 2251 DEB & SPAWAR-CAL-R Collision Probability (Pc) Trend

    COSMOS 2251 DEB & SPAWAR-CAL-R Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & SPAWAR-CAL-R Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & SPAWAR-CAL-R Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SPAWAR-CAL-RMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SPAWAR-CAL-RCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data