🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.2

Radius: 12.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.94 AU - 1.54 AU

Year: 906 Days

Day: 6 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,308,145 km

• M1: 160,369 km (0.037 R)
• M2: 591,360 km (0.085 R)
• M3: 1,175,540 km (0.112 R)
• M4: 1,623,286 km (0.11 R)
• M5: 2,026,752 km (0.105 R)
• M6: 2,442,484 km (0.075 R)
• M7: 2,878,113 km (0.105 R)
• M8: 3,507,172 km (0.104 R)
• M9: 4,842,184 km (0.068 R)
• M10: 5,323,590 km (0.1 R)
• M11: 5,877,850 km (0.077 R)
• M12: 7,102,309 km (0.063 R)
• M13: 9,110,062 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 12.6

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.06 AU - 1.54 AU

Year: 972 Days

Day: 7.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 141.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,308,145 km

• M1: 156,779 km (0.112 R)
• M2: 636,240 km (0.098 R)
• M3: 1,089,970 km (0.071 R)
• M4: 1,702,125 km (0.106 R)
• M5: 2,141,793 km (0.084 R)
• M6: 2,584,453 km (0.112 R)
• M7: 3,535,297 km (0.085 R)
• M8: 4,159,419 km (0.078 R)
• M9: 5,443,418 km (0.102 R)
• M10: 6,034,329 km (0.071 R)
• M11: 6,505,114 km (0.103 R)
• M12: 8,808,472 km (0.107 R)
• M13: 9,504,850 km (0.068 R)
• M14: 10,426,822 km (0.113 R)
• M15: 10,909,724 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 9.1

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.57 AU - 1.97 AU

Year: 1545 Days

Day: 9 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,308,145 km

• M1: 113,395 km (0.116 R)
• M2: 426,803 km (0.092 R)
• M3: 771,626 km (0.039 R)
• M4: 1,237,474 km (0.102 R)
• M5: 1,615,956 km (0.068 R)
• M6: 2,306,201 km (0.11 R)
• M7: 2,699,494 km (0.042 R)
• M8: 2,995,697 km (0.113 R)
• M9: 3,434,618 km (0.092 R)
• M10: 4,279,397 km (0.096 R)
• M11: 4,915,487 km (0.082 R)
• M12: 5,338,998 km (0.088 R)
• M13: 5,656,295 km (0.087 R)
• M14: 6,612,375 km (0.118 R)
• M15: 11,185,732 km (0.073 R)
• M16: 12,063,273 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.1

Radius: 9.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.73 AU - 2.37 AU

Year: 1925 Days

Day: 5.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,308,145 km

• M1: 118,930 km (0.057 R)
• M2: 510,877 km (0.094 R)
• M3: 811,120 km (0.117 R)
• M4: 1,149,959 km (0.076 R)
• M5: 1,569,581 km (0.03 R)
• M6: 3,866,806 km (0.069 R)
• M7: 4,547,775 km (0.028 R)
• M8: 6,302,259 km (0.118 R)
• M9: 6,886,140 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721

Radius: 9

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.53 AU - 4.99 AU

Year: 6813 Days

Day: 9.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,308,145 km

• M1: 112,049 km (0.028 R)
• M2: 417,528 km (0.103 R)
• M3: 983,307 km (0.117 R)
• M4: 1,578,258 km (0.047 R)
• M5: 1,897,499 km (0.117 R)
• M6: 2,379,205 km (0.068 R)
• M7: 2,960,691 km (0.088 R)
• M8: 4,594,599 km (0.105 R)
• M9: 6,038,668 km (0.108 R)
• M10: 6,651,421 km (0.094 R)
• M11: 7,230,215 km (0.071 R)
• M12: 8,080,379 km (0.064 R)
• M13: 8,364,466 km (0.089 R)
• M14: 10,025,152 km (0.057 R)
• M15: 10,883,843 km (0.044 R)
• M16: 11,230,761 km (0.085 R)
• M17: 15,990,965 km (0.067 R)
• M18: 17,905,070 km (0.066 R)
• M19: 18,739,976 km (0.04 R)
• M20: 22,103,534 km (0.086 R)
• M21: 28,382,157 km (0.05 R)
• M22: 30,779,463 km (0.095 R)
• M23: 31,175,149 km (0.115 R)
• M24: 35,105,534 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.4

Radius: 8.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.14 AU - 5.44 AU

Year: 6877 Days

Day: 5.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,308,145 km

• M1: 108,159 km (0.108 R)
• M2: 389,553 km (0.108 R)
• M3: 1,273,078 km (0.085 R)
• M4: 1,706,164 km (0.104 R)
• M5: 2,674,361 km (0.098 R)
• M6: 3,093,235 km (0.105 R)
• M7: 3,661,557 km (0.107 R)
• M8: 5,006,143 km (0.07 R)
• M9: 15,017,981 km (0.102 R)
• M10: 15,872,484 km (0.095 R)
• M11: 17,553,814 km (0.048 R)
• M12: 22,489,646 km (0.074 R)
• M13: 22,932,306 km (0.111 R)
• M14: 23,683,138 km (0.078 R)
• M15: 23,987,869 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.1

Radius: 6.2

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.39 AU - 6.59 AU

Year: 10846 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,308,145 km

• M1: 78,688 km (0.105 R)
• M2: 293,810 km (0.082 R)
• M3: 509,231 km (0.107 R)
• M4: 808,427 km (0.087 R)
• M5: 1,637,498 km (0.093 R)
• M6: 2,246,362 km (0.113 R)
• M7: 2,870,933 km (0.118 R)
• M8: 3,486,528 km (0.113 R)
• M9: 3,825,517 km (0.11 R)
• M10: 4,293,608 km (0.078 R)
• M11: 5,794,524 km (0.081 R)
• M12: 6,920,996 km (0.094 R)
• M13: 7,856,581 km (0.113 R)
• M14: 9,231,535 km (0.07 R)
• M15: 9,786,244 km (0.072 R)
• M16: 10,461,080 km (0.056 R)
• M17: 10,860,506 km (0.09 R)
• M18: 11,796,091 km (0.106 R)
• M19: 14,368,726 km (0.116 R)
• M20: 15,948,180 km (0.069 R)
• M21: 19,673,018 km (0.07 R)
• M22: 20,051,799 km (0.112 R)
• M23: 22,427,414 km (0.101 R)
• M24: 26,516,223 km (0.088 R)
• M25: 26,885,580 km (0.101 R)
• M26: 30,466,354 km (0.063 R)
• M27: 31,900,100 km (0.1 R)
• M28: 35,123,186 km (0.106 R)
• M29: 36,243,974 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.3

Radius: 4

Gravity: 56.46 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.37 AU - 11.65 AU

Year: 19239 Days

Day: 21.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,308,145 km

• M1: 76,445 km (0.074 R)
• M2: 263,292 km (0.099 R)
• M3: 448,943 km (0.116 R)
• M4: 857,345 km (0.042 R)
• M5: 1,187,209 km (0.073 R)
• M6: 6,199,934 km (0.119 R)
• M7: 6,510,350 km (0.12 R)
• M8: 8,594,398 km (0.114 R)
• M9: 10,892,221 km (0.079 R)
• M10: 12,632,942 km (0.103 R)
• M11: 14,243,662 km (0.073 R)
• M12: 16,068,756 km (0.09 R)
• M13: 17,689,499 km (0.094 R)
• M14: 20,562,227 km (0.064 R)
• M15: 21,652,048 km (0.119 R)
• M16: 25,263,340 km (0.104 R)
• M17: 29,627,409 km (0.042 R)
• M18: 37,291,608 km (0.076 R)
• M19: 37,436,718 km (0.098 R)
• M20: 43,074,014 km (0.11 R)
• M21: 56,183,575 km (0.078 R)
• M22: 56,757,133 km (0.094 R)
• M23: 69,718,592 km (0.116 R)
• M24: 69,938,949 km (0.114 R)
• M25: 72,618,098 km (0.082 R)
• M26: 73,754,293 km (0.03 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 17,357 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit