Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.814738E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T13:01:33+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name RADCAL
    AOE ID 22698
    NORAD ID 22698
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 39667
    NORAD ID 39667
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter RADCAL COSMOS 1867 COOLANT
    Time of Closest Approach 2026-10-23T05:10:48+0000
    Collision Probability (Pc) 2.814738E-6
    Conjunction Distance (km) 1.642 km
    Relative Speed (km/s) 6.133 km/s
    Conjunction Risk Parameters R (Radial): -0.162 | I (In-track): -1.49 | C (Cross-track): -0.668
    Collision Risk Index (CRI) 0.44
    X Position (km) 2356.718 2355.484
    Position Y (km) 3214.821 3214.315
    Position Z (km) 5949.545 5950.502
    Velocity X (km/s) -3.786 -6.947
    Velocity Y (km/s) -4.968 0.097
    Velocity Z (km/s) 4.1 2.702

    Orbital Parameters 国际轨道数据源

    Parameter RADCAL COSMOS 1867 COOLANT
    Semimajor Axis (a) 7189.284 km 7156.194 km
    Eccentricity (e) 0.008996 0.001974
    Inclination (i) 89.5065° 65.0148°
    RAAN 53.0944° 14.1807°
    Perigee Argument 130.7059° 280.5521°
    Mean Anomaly (M) 230.1993° 79.3341°
    Apogee 875.821 km 792.183 km
    Perigee 746.473 km 763.931 km
    Orbit Epoch 2026-10-21T20:52:42+0000 2026-10-21T14:22:38+0000

    RADCAL & COSMOS 1867 COOLANT Collision Probability (Pc) Trend

    RADCAL & COSMOS 1867 COOLANT Collision Probability (Pc) TrendNot Available

    RADCAL & COSMOS 1867 COOLANT Miss Distance (Miss Distance) Trend

    RADCAL & COSMOS 1867 COOLANT Miss Distance (Miss Distance) TrendNot Available

    RADCALMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1867 COOLANTMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    RADCALCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1867 COOLANTCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with RADCAL

    No nearby objects data