🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 13

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.64 AU - 0.72 AU

Year: 368 Days

Day: 6.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,181,613 km

• M1: 161,715 km (0.092 R)
• M2: 712,086 km (0.079 R)
• M3: 1,536,819 km (0.057 R)
• M4: 2,043,956 km (0.087 R)
• M5: 2,530,897 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.5

Radius: 14.9

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.4 AU - 1.52 AU

Year: 1157 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,181,613 km

• M1: 185,651 km (0.059 R)
• M2: 749,037 km (0.029 R)
• M3: 1,432,400 km (0.08 R)
• M4: 1,961,976 km (0.115 R)
• M5: 2,490,057 km (0.116 R)
• M6: 3,270,060 km (0.116 R)
• M7: 3,951,329 km (0.083 R)
• M8: 4,886,614 km (0.103 R)
• M9: 6,325,746 km (0.114 R)
• M10: 6,945,979 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 11.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2 AU - 2.5 AU

Year: 2214 Days

Day: 10.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,181,613 km

• M1: 145,559 km (0.104 R)
• M2: 705,653 km (0.11 R)
• M3: 1,359,545 km (0.047 R)
• M4: 2,002,966 km (0.071 R)
• M5: 2,389,676 km (0.119 R)
• M6: 3,333,041 km (0.112 R)
• M7: 4,470,583 km (0.097 R)
• M8: 4,909,353 km (0.12 R)
• M9: 5,465,109 km (0.1 R)
• M10: 6,015,031 km (0.089 R)
• M11: 6,882,848 km (0.041 R)
• M12: 7,974,913 km (0.075 R)
• M13: 8,532,614 km (0.038 R)
• M14: 8,991,131 km (0.032 R)
• M15: 10,431,759 km (0.061 R)
• M16: 10,920,944 km (0.052 R)
• M17: 12,211,225 km (0.03 R)
• M18: 13,890,611 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.3

Radius: 12.1

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.57 AU - 3.81 AU

Year: 4650 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,181,613 km

• M1: 150,944 km (0.073 R)
• M2: 609,611 km (0.028 R)
• M3: 1,357,152 km (0.118 R)
• M4: 1,866,981 km (0.095 R)
• M5: 2,327,743 km (0.116 R)
• M6: 3,523,778 km (0.049 R)
• M7: 3,935,172 km (0.116 R)
• M8: 4,625,267 km (0.044 R)
• M9: 5,147,064 km (0.063 R)
• M10: 7,086,601 km (0.117 R)
• M11: 7,533,599 km (0.109 R)
• M12: 10,403,784 km (0.109 R)
• M13: 13,618,792 km (0.09 R)
• M14: 16,771,866 km (0.039 R)
• M15: 17,443,860 km (0.118 R)
• M16: 18,133,955 km (0.099 R)
• M17: 21,502,001 km (0.108 R)
• M18: 22,295,319 km (0.096 R)
• M19: 23,864,152 km (0.098 R)
• M20: 24,325,511 km (0.103 R)
• M21: 25,585,275 km (0.07 R)
• M22: 26,970,851 km (0.105 R)
• M23: 28,924,300 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.1

Radius: 4.5

Gravity: 40.99 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.33 AU - 7.03 AU

Year: 10078 Days

Day: 15 Hours

Environment

Temp: -218 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,181,613 km

• M1: 56,099 km (0.095 R)
• M2: 239,805 km (0.066 R)
• M3: 573,109 km (0.106 R)
• M4: 792,270 km (0.076 R)
• M5: 947,553 km (0.073 R)
• M6: 1,099,993 km (0.038 R)
• M7: 1,950,756 km (0.063 R)
• M8: 2,410,321 km (0.101 R)
• M9: 2,984,328 km (0.052 R)
• M10: 3,750,119 km (0.103 R)
• M11: 4,608,362 km (0.087 R)
• M12: 6,586,345 km (0.101 R)
• M13: 6,943,136 km (0.041 R)
• M14: 10,276,476 km (0.068 R)
• M15: 10,702,232 km (0.065 R)
• M16: 13,570,771 km (0.055 R)
• M17: 14,083,144 km (0.075 R)
• M18: 18,113,161 km (0.081 R)
• M19: 23,665,486 km (0.109 R)
• M20: 24,689,184 km (0.108 R)
• M21: 29,290,665 km (0.107 R)
• M22: 34,432,194 km (0.12 R)
• M23: 37,713,773 km (0.096 R)
• M24: 40,143,841 km (0.102 R)
• M25: 40,668,480 km (0.075 R)
• M26: 42,812,667 km (0.091 R)
• M27: 46,888,760 km (0.109 R)
• M28: 49,695,066 km (0.119 R)
• M29: 51,369,814 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.8

Radius: 4.2

Gravity: 21.42 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.76 AU - 8.06 AU

Year: 11916 Days

Day: 17.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,181,613 km

• M1: 73,153 km (0.106 R)
• M2: 1,484,759 km (0.034 R)
• M3: 2,077,017 km (0.106 R)
• M4: 2,473,750 km (0.117 R)
• M5: 3,093,684 km (0.081 R)
• M6: 5,803,350 km (0.098 R)
• M7: 6,847,693 km (0.119 R)
• M8: 7,927,341 km (0.111 R)
• M9: 10,825,949 km (0.091 R)
• M10: 14,738,981 km (0.036 R)
• M11: 15,123,896 km (0.113 R)
• M12: 16,250,368 km (0.092 R)
• M13: 19,500,531 km (0.097 R)
• M14: 22,731,247 km (0.094 R)
• M15: 37,175,370 km (0.064 R)
• M16: 38,367,665 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 13,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit