Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.132011E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-21T02:12:41+0800
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    1 Object 1

    Name MICE-1
    AOE ID 66684
    NORAD ID 66684
    Object Type PAYLOAD
    Country
    GR GR
    ← VS →

    2 Object 2

    Name SNAPPY
    AOE ID 69014
    NORAD ID 69014
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter MICE-1 SNAPPY
    Time of Closest Approach 2026-09-20T19:06:11+0000
    Collision Probability (Pc) 2.132011E-6
    Conjunction Distance (km) 2.278 km
    Relative Speed (km/s) 15.08 km/s
    Conjunction Risk Parameters R (Radial): -1.28 | I (In-track): -0.241 | C (Cross-track): -1.867
    Collision Risk Index (CRI) 0.42
    X Position (km) 6140.279 6139.847
    Position Y (km) -2487.341 -2485.134
    Position Z (km) -1881.525 -1881.164
    Velocity X (km/s) 1.517 -2.281
    Velocity Y (km/s) -1.716 -0.174
    Velocity Z (km/s) 7.256 -7.255

    Orbital Parameters 国际轨道数据源

    Parameter MICE-1 SNAPPY
    Semimajor Axis (a) 6884.720 km 6878.615 km
    Eccentricity (e) 0.000614 0.000781
    Inclination (i) 97.4191° 97.3927°
    RAAN 335.1826° 157.5226°
    Perigee Argument 37.4262° 90.7611°
    Mean Anomaly (M) 322.7399° 269.4520°
    Apogee 510.807 km 505.850 km
    Perigee 502.359 km 495.106 km
    Orbit Epoch 2026-09-20T03:22:17+0000 2026-09-18T04:42:00+0000

    MICE-1 & SNAPPY Collision Probability (Pc) Trend

    MICE-1 & SNAPPY Collision Probability (Pc) TrendNot Available

    MICE-1 & SNAPPY Miss Distance (Miss Distance) Trend

    MICE-1 & SNAPPY Miss Distance (Miss Distance) TrendNot Available

    MICE-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SNAPPYMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    MICE-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    SNAPPYCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with MICE-1

    No nearby objects data