🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 13.1

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.72 AU - 0.8 AU

Year: 442 Days

Day: 7.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,664,366 km

• M1: 176,077 km (0.104 R)
• M2: 627,413 km (0.09 R)
• M3: 1,069,026 km (0.105 R)
• M4: 1,599,351 km (0.101 R)
• M5: 2,104,244 km (0.104 R)
• M6: 2,715,351 km (0.071 R)
• M7: 3,209,473 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 8.7

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.66 AU - 1.04 AU

Year: 523 Days

Day: 10 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,664,366 km

• M1: 108,159 km (0.117 R)
• M2: 383,868 km (0.049 R)
• M3: 790,774 km (0.082 R)
• M4: 1,154,447 km (0.1 R)
• M5: 1,569,282 km (0.05 R)
• M6: 2,072,529 km (0.068 R)
• M7: 2,441,736 km (0.072 R)
• M8: 2,810,046 km (0.074 R)
• M9: 3,300,877 km (0.072 R)
• M10: 4,014,908 km (0.037 R)
• M11: 4,393,689 km (0.075 R)
• M12: 5,138,986 km (0.086 R)
• M13: 5,515,673 km (0.092 R)
• M14: 6,421,489 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.5

Radius: 14.7

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.93 AU - 0.95 AU

Year: 608 Days

Day: 13.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,664,366 km

• M1: 185,651 km (0.102 R)
• M2: 683,812 km (0.094 R)
• M3: 1,323,642 km (0.033 R)
• M4: 1,916,498 km (0.047 R)
• M5: 2,408,376 km (0.072 R)
• M6: 3,231,613 km (0.045 R)
• M7: 3,723,940 km (0.082 R)
• M8: 6,692,410 km (0.111 R)
• M9: 7,868,698 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 14.1

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.8 AU - 1.28 AU

Year: 707 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,664,366 km

• M1: 175,329 km (0.034 R)
• M2: 819,497 km (0.059 R)
• M3: 1,291,478 km (0.083 R)
• M4: 1,841,400 km (0.085 R)
• M5: 2,285,706 km (0.116 R)
• M6: 3,134,375 km (0.115 R)
• M7: 3,994,562 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 11.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.96 AU - 1.48 AU

Year: 899 Days

Day: 12.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,664,366 km

• M1: 143,464 km (0.028 R)
• M2: 549,174 km (0.09 R)
• M3: 1,253,032 km (0.113 R)
• M4: 1,683,126 km (0.115 R)
• M5: 2,655,362 km (0.115 R)
• M6: 3,664,101 km (0.107 R)
• M7: 4,240,202 km (0.109 R)
• M8: 4,948,099 km (0.111 R)
• M9: 5,713,143 km (0.084 R)
• M10: 7,358,270 km (0.109 R)
• M11: 8,174,327 km (0.096 R)
• M12: 8,617,735 km (0.063 R)
• M13: 9,159,878 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.8

Radius: 9.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.57 AU - 2.69 AU

Year: 2844 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,664,366 km

• M1: 114,442 km (0.115 R)
• M2: 417,528 km (0.063 R)
• M3: 753,076 km (0.086 R)
• M4: 1,075,010 km (0.094 R)
• M5: 1,433,896 km (0.077 R)
• M6: 1,732,044 km (0.027 R)
• M7: 3,444,042 km (0.083 R)
• M8: 4,185,599 km (0.113 R)
• M9: 4,514,116 km (0.118 R)
• M10: 5,983,466 km (0.12 R)
• M11: 6,401,442 km (0.093 R)
• M12: 6,698,544 km (0.052 R)
• M13: 7,722,392 km (0.078 R)
• M14: 8,325,421 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.4

Radius: 8.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.16 AU - 3.32 AU

Year: 3889 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,664,366 km

• M1: 101,876 km (0.099 R)
• M2: 645,664 km (0.048 R)
• M3: 1,380,938 km (0.107 R)
• M4: 1,967,960 km (0.113 R)
• M5: 2,825,605 km (0.104 R)
• M6: 3,752,064 km (0.073 R)
• M7: 4,661,170 km (0.082 R)
• M8: 6,165,826 km (0.102 R)
• M9: 7,538,386 km (0.068 R)
• M10: 13,189,895 km (0.025 R)
• M11: 14,072,522 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.1

Radius: 12.4

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.01 AU - 4.35 AU

Year: 4708 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,664,366 km

• M1: 154,235 km (0.096 R)
• M2: 702,960 km (0.11 R)
• M3: 1,161,179 km (0.106 R)
• M4: 1,561,503 km (0.118 R)
• M5: 2,688,723 km (0.07 R)
• M6: 3,366,550 km (0.064 R)
• M7: 4,518,903 km (0.092 R)
• M8: 5,858,701 km (0.105 R)
• M9: 9,554,966 km (0.041 R)
• M10: 11,041,370 km (0.107 R)
• M11: 11,840,073 km (0.077 R)
• M12: 12,278,245 km (0.111 R)
• M13: 13,187,202 km (0.095 R)
• M14: 15,772,104 km (0.081 R)
• M15: 16,303,176 km (0.078 R)
• M16: 19,206,123 km (0.118 R)
• M17: 19,880,061 km (0.099 R)
• M18: 21,275,211 km (0.084 R)
• M19: 23,109,879 km (0.104 R)
• M20: 26,261,158 km (0.104 R)
• M21: 27,683,385 km (0.116 R)
• M22: 28,197,403 km (0.113 R)
• M23: 29,068,213 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.6

Radius: 3.9

Gravity: 16.41 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.35 AU - 8.03 AU

Year: 11539 Days

Day: 16.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,664,366 km

• M1: 48,619 km (0.103 R)
• M2: 460,013 km (0.119 R)
• M3: 1,034,020 km (0.075 R)
• M4: 1,351,766 km (0.069 R)
• M5: 1,593,217 km (0.07 R)
• M6: 2,584,602 km (0.055 R)
• M7: 2,795,835 km (0.116 R)
• M8: 3,166,239 km (0.11 R)
• M9: 3,929,038 km (0.103 R)
• M10: 4,130,996 km (0.108 R)
• M11: 4,260,697 km (0.097 R)
• M12: 5,368,170 km (0.105 R)
• M13: 6,341,005 km (0.078 R)
• M14: 7,579,227 km (0.098 R)
• M15: 8,012,163 km (0.085 R)
• M16: 9,276,265 km (0.041 R)
• M17: 10,001,964 km (0.109 R)
• M18: 10,522,415 km (0.089 R)
• M19: 15,106,692 km (0.068 R)
• M20: 16,889,001 km (0.045 R)
• M21: 20,864,714 km (0.115 R)
• M22: 21,556,754 km (0.117 R)
• M23: 22,264,053 km (0.075 R)
• M24: 24,648,194 km (0.073 R)
• M25: 25,161,913 km (0.096 R)
• M26: 26,299,306 km (0.089 R)
• M27: 26,745,706 km (0.056 R)
• M28: 27,379,103 km (0.069 R)
• M29: 27,745,618 km (0.086 R)
• M30: 28,770,214 km (0.089 R)
• M31: 31,491,549 km (0.12 R)
• M32: 36,657,911 km (0.075 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 18,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit