🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 12

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.25 AU - 1.61 AU

Year: 1104 Days

Day: 12.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,380,755 km

• M1: 149,448 km (0.096 R)
• M2: 567,724 km (0.119 R)
• M3: 963,859 km (0.117 R)
• M4: 1,521,261 km (0.08 R)
• M5: 2,161,689 km (0.115 R)
• M6: 3,080,519 km (0.098 R)
• M7: 3,482,788 km (0.063 R)
• M8: 3,857,830 km (0.1 R)
• M9: 4,276,704 km (0.03 R)
• M10: 4,743,898 km (0.037 R)
• M11: 5,618,746 km (0.043 R)
• M12: 6,530,994 km (0.088 R)
• M13: 6,964,379 km (0.12 R)
• M14: 7,514,750 km (0.102 R)
• M15: 7,940,057 km (0.052 R)
• M16: 8,949,244 km (0.113 R)
• M17: 9,982,516 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384

Radius: 8.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.39 AU - 2.01 AU

Year: 1431 Days

Day: 10.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,380,755 km

• M1: 110,702 km (0.055 R)
• M2: 531,372 km (0.105 R)
• M3: 1,193,791 km (0.093 R)
• M4: 2,030,791 km (0.102 R)
• M5: 2,469,113 km (0.082 R)
• M6: 2,838,171 km (0.116 R)
• M7: 3,118,368 km (0.035 R)
• M8: 3,766,126 km (0.082 R)
• M9: 4,883,622 km (0.091 R)
• M10: 5,170,252 km (0.078 R)
• M11: 5,570,127 km (0.049 R)
• M12: 5,990,348 km (0.097 R)
• M13: 7,061,917 km (0.088 R)
• M14: 7,809,607 km (0.098 R)
• M15: 8,309,863 km (0.066 R)
• M16: 8,831,211 km (0.107 R)
• M17: 9,550,478 km (0.057 R)
• M18: 9,878,995 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.4

Radius: 8.2

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.82 AU - 3.64 AU

Year: 3748 Days

Day: 7.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,380,755 km

• M1: 103,223 km (0.03 R)
• M2: 607,218 km (0.05 R)
• M3: 877,691 km (0.083 R)
• M4: 1,186,910 km (0.058 R)
• M5: 2,926,583 km (0.08 R)
• M6: 3,282,776 km (0.075 R)
• M7: 4,706,648 km (0.054 R)
• M8: 5,077,352 km (0.085 R)
• M9: 6,446,322 km (0.099 R)
• M10: 7,916,719 km (0.097 R)
• M11: 8,747,287 km (0.061 R)
• M12: 9,272,974 km (0.102 R)
• M13: 9,893,954 km (0.081 R)
• M14: 10,542,162 km (0.045 R)
• M15: 11,464,134 km (0.069 R)
• M16: 12,179,361 km (0.108 R)
• M17: 13,103,427 km (0.048 R)
• M18: 14,893,216 km (0.095 R)
• M19: 16,260,092 km (0.116 R)
• M20: 16,522,187 km (0.105 R)
• M21: 16,840,232 km (0.084 R)
• M22: 17,930,352 km (0.074 R)
• M23: 18,835,868 km (0.114 R)
• M24: 19,124,891 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.5

Radius: 14.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.19 AU - 4.55 AU

Year: 4916 Days

Day: 14.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,380,755 km

• M1: 181,761 km (0.061 R)
• M2: 938,278 km (0.116 R)
• M3: 1,533,977 km (0.057 R)
• M4: 2,096,465 km (0.098 R)
• M5: 3,822,076 km (0.05 R)
• M6: 7,908,641 km (0.084 R)
• M7: 19,061,312 km (0.068 R)
• M8: 25,613,699 km (0.115 R)
• M9: 26,341,941 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.9

Radius: 10.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.62 AU - 4.76 AU

Year: 5538 Days

Day: 8.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,380,755 km

• M1: 133,142 km (0.087 R)
• M2: 652,696 km (0.118 R)
• M3: 1,637,797 km (0.112 R)
• M4: 2,544,061 km (0.088 R)
• M5: 3,174,766 km (0.117 R)
• M6: 4,624,220 km (0.111 R)
• M7: 5,001,805 km (0.081 R)
• M8: 5,427,261 km (0.083 R)
• M9: 5,848,080 km (0.037 R)
• M10: 6,629,130 km (0.081 R)
• M11: 11,566,907 km (0.089 R)
• M12: 12,029,763 km (0.065 R)
• M13: 14,320,256 km (0.091 R)
• M14: 16,769,622 km (0.12 R)
• M15: 18,341,597 km (0.047 R)
• M16: 23,131,571 km (0.052 R)
• M17: 26,484,807 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.6

Radius: 13.3

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.6 AU - 5.9 AU

Year: 7767 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,380,755 km

• M1: 165,455 km (0.073 R)
• M2: 669,750 km (0.056 R)
• M3: 1,098,497 km (0.068 R)
• M4: 1,748,650 km (0.107 R)
• M5: 2,311,437 km (0.099 R)
• M6: 2,951,566 km (0.09 R)
• M7: 3,513,306 km (0.093 R)
• M8: 3,987,382 km (0.118 R)
• M9: 5,004,348 km (0.07 R)
• M10: 6,258,277 km (0.08 R)
• M11: 7,309,202 km (0.099 R)
• M12: 8,214,868 km (0.078 R)
• M13: 9,010,429 km (0.069 R)
• M14: 10,858,561 km (0.094 R)
• M15: 14,211,050 km (0.101 R)
• M16: 16,496,905 km (0.107 R)
• M17: 17,051,913 km (0.118 R)
• M18: 17,547,980 km (0.06 R)
• M19: 21,212,529 km (0.044 R)
• M20: 24,454,016 km (0.117 R)
• M21: 30,429,553 km (0.089 R)
• M22: 32,873,683 km (0.059 R)
• M23: 33,532,213 km (0.107 R)
• M24: 36,722,388 km (0.114 R)
• M25: 38,999,118 km (0.111 R)
• M26: 39,613,516 km (0.116 R)
• M27: 42,523,644 km (0.087 R)
• M28: 43,436,789 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.6

Radius: 5.4

Gravity: 28.83 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.33 AU - 9.65 AU

Year: 18876 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,380,755 km

• M1: 67,169 km (0.092 R)
• M2: 947,403 km (0.054 R)
• M3: 1,163,423 km (0.095 R)
• M4: 1,412,054 km (0.075 R)
• M5: 1,643,183 km (0.065 R)
• M6: 1,823,448 km (0.083 R)
• M7: 2,016,878 km (0.113 R)
• M8: 2,561,864 km (0.106 R)
• M9: 2,933,016 km (0.108 R)
• M10: 3,600,522 km (0.109 R)
• M11: 4,131,295 km (0.06 R)
• M12: 6,293,582 km (0.073 R)
• M13: 7,251,158 km (0.042 R)
• M14: 7,689,929 km (0.098 R)
• M15: 8,094,591 km (0.069 R)
• M16: 9,112,455 km (0.075 R)
• M17: 10,455,545 km (0.098 R)
• M18: 11,594,733 km (0.057 R)
• M19: 12,674,829 km (0.074 R)
• M20: 13,455,132 km (0.079 R)
• M21: 13,820,300 km (0.04 R)
• M22: 17,323,433 km (0.075 R)
• M23: 17,495,471 km (0.091 R)
• M24: 22,787,346 km (0.1 R)
• M25: 26,928,664 km (0.096 R)
• M26: 27,275,581 km (0.117 R)
• M27: 30,407,413 km (0.087 R)
• M28: 31,801,665 km (0.065 R)
• M29: 33,503,790 km (0.099 R)
• M30: 34,039,499 km (0.085 R)
• M31: 45,496,452 km (0.093 R)
• M32: 48,161,538 km (0.113 R)
• M33: 51,636,847 km (0.087 R)
• M34: 60,060,104 km (0.12 R)
• M35: 67,211,331 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 13,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit