🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356

Radius: 14.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 13.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 176.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 94,830,494 km

• M1: 182,509 km (0.047 R)
• M2: 704,606 km (0.1 R)
• M3: 1,653,954 km (0.117 R)
• M4: 2,561,564 km (0.116 R)
• M5: 3,212,016 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.8

Radius: 12.9

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.56 AU - 0.84 AU

Year: 404 Days

Day: 5.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,830,494 km

• M1: 160,519 km (0.09 R)
• M2: 776,114 km (0.12 R)
• M3: 1,187,957 km (0.093 R)
• M4: 1,619,995 km (0.078 R)
• M5: 2,510,402 km (0.095 R)
• M6: 3,553,099 km (0.047 R)
• M7: 4,076,841 km (0.102 R)
• M8: 4,488,535 km (0.099 R)
• M9: 5,022,599 km (0.101 R)
• M10: 5,564,742 km (0.075 R)
• M11: 6,109,427 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.1

Radius: 10.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.88 AU - 0.96 AU

Year: 609 Days

Day: 7.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,830,494 km

• M1: 133,142 km (0.094 R)
• M2: 498,161 km (0.027 R)
• M3: 904,319 km (0.053 R)
• M4: 1,297,014 km (0.077 R)
• M5: 1,862,194 km (0.081 R)
• M6: 2,613,475 km (0.107 R)
• M7: 2,952,164 km (0.08 R)
• M8: 3,442,397 km (0.057 R)
• M9: 3,802,927 km (0.093 R)
• M10: 4,573,207 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661

Radius: 10.1

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.08 AU - 1.28 AU

Year: 885 Days

Day: 5.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,830,494 km

• M1: 127,308 km (0.074 R)
• M2: 462,108 km (0.103 R)
• M3: 784,042 km (0.096 R)
• M4: 1,107,623 km (0.101 R)
• M5: 1,445,415 km (0.053 R)
• M6: 2,050,837 km (0.08 R)
• M7: 2,512,795 km (0.076 R)
• M8: 2,866,894 km (0.074 R)
• M9: 3,460,797 km (0.1 R)
• M10: 3,901,064 km (0.04 R)
• M11: 5,412,301 km (0.052 R)
• M12: 5,884,881 km (0.096 R)
• M13: 6,320,809 km (0.118 R)
• M14: 6,689,418 km (0.113 R)
• M15: 7,351,389 km (0.097 R)
• M16: 7,686,339 km (0.113 R)
• M17: 8,258,700 km (0.044 R)
• M18: 8,912,892 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.7

Radius: 8.6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.47 AU - 1.91 AU

Year: 1516 Days

Day: 14.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,830,494 km

• M1: 106,962 km (0.091 R)
• M2: 510,727 km (0.108 R)
• M3: 1,034,469 km (0.093 R)
• M4: 1,762,413 km (0.061 R)
• M5: 3,662,455 km (0.093 R)
• M6: 5,380,138 km (0.11 R)
• M7: 6,085,193 km (0.086 R)
• M8: 6,460,085 km (0.053 R)
• M9: 7,703,542 km (0.058 R)
• M10: 10,038,017 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178

Radius: 13.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.51 AU - 2.29 AU

Year: 1808 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 166 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 94,830,494 km

• M1: 172,187 km (0.03 R)
• M2: 741,557 km (0.108 R)
• M3: 1,365,380 km (0.103 R)
• M4: 1,823,000 km (0.099 R)
• M5: 2,585,500 km (0.11 R)
• M6: 3,538,139 km (0.106 R)
• M7: 4,033,308 km (0.109 R)
• M8: 4,695,877 km (0.089 R)
• M9: 6,368,232 km (0.068 R)
• M10: 7,555,740 km (0.111 R)
• M11: 8,331,105 km (0.095 R)
• M12: 9,269,682 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.2

Radius: 12.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.79 AU - 4.09 AU

Year: 5398 Days

Day: 10 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,830,494 km

• M1: 159,771 km (0.071 R)
• M2: 834,457 km (0.091 R)
• M3: 1,529,339 km (0.08 R)
• M4: 2,570,989 km (0.063 R)
• M5: 3,789,015 km (0.097 R)
• M6: 4,278,649 km (0.117 R)
• M7: 5,282,899 km (0.061 R)
• M8: 6,828,245 km (0.091 R)
• M9: 7,855,983 km (0.06 R)
• M10: 9,742,711 km (0.091 R)
• M11: 10,708,515 km (0.092 R)
• M12: 12,139,568 km (0.108 R)
• M13: 17,483,653 km (0.111 R)
• M14: 20,154,124 km (0.112 R)
• M15: 21,255,165 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.6

Radius: 3.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.57 AU - 7.95 AU

Year: 14921 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 94,830,494 km

• M1: 506,389 km (0.092 R)
• M2: 2,198,191 km (0.096 R)
• M3: 4,592,056 km (0.116 R)
• M4: 5,450,299 km (0.046 R)
• M5: 14,538,071 km (0.057 R)
• M6: 15,130,329 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970

Radius: 6.7

Gravity: 21.61 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.3 AU - 11.64 AU

Year: 23385 Days

Day: 21.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 94,830,494 km

• M1: 83,476 km (0.087 R)
• M2: 348,862 km (0.112 R)
• M3: 775,067 km (0.086 R)
• M4: 1,787,395 km (0.119 R)
• M5: 3,246,573 km (0.057 R)
• M6: 3,488,323 km (0.095 R)
• M7: 4,041,985 km (0.068 R)
• M8: 5,703,568 km (0.084 R)
• M9: 6,377,357 km (0.1 R)
• M10: 8,891,050 km (0.106 R)
• M11: 10,431,160 km (0.104 R)
• M12: 10,759,228 km (0.118 R)
• M13: 11,855,781 km (0.063 R)
• M14: 12,358,280 km (0.105 R)
• M15: 12,725,692 km (0.098 R)
• M16: 14,510,844 km (0.108 R)
• M17: 14,837,416 km (0.096 R)
• M18: 23,214,897 km (0.042 R)
• M19: 25,154,284 km (0.11 R)
• M20: 28,072,489 km (0.107 R)
• M21: 30,536,815 km (0.106 R)
• M22: 31,616,313 km (0.074 R)
• M23: 34,861,390 km (0.119 R)
• M24: 35,153,704 km (0.093 R)
• M25: 38,633,052 km (0.092 R)
• M26: 45,566,614 km (0.07 R)
• M27: 48,593,876 km (0.04 R)
• M28: 49,325,111 km (0.104 R)
• M29: 51,752,635 km (0.09 R)
• M30: 52,899,303 km (0.073 R)
• M31: 55,640,834 km (0.079 R)
• M32: 63,556,506 km (0.112 R)
• M33: 74,585,908 km (0.069 R)
• M34: 76,293,867 km (0.05 R)
• M35: 77,529,695 km (0.087 R)
• M36: 79,282,234 km (0.074 R)
• M37: 87,630,693 km (0.107 R)
• M38: 92,574,753 km (0.112 R)
• M39: 92,854,650 km (0.068 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 11,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit