🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 12.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.79 AU - 1.01 AU

Year: 551 Days

Day: 6.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,654,385 km

• M1: 151,692 km (0.102 R)
• M2: 549,772 km (0.065 R)
• M3: 1,079,199 km (0.102 R)
• M4: 1,787,246 km (0.112 R)
• M5: 2,428,422 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.2

Radius: 13.2

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.92 AU - 0.92 AU

Year: 570 Days

Day: 11.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,654,385 km

• M1: 164,109 km (0.1 R)
• M2: 930,050 km (0.062 R)
• M3: 1,411,306 km (0.063 R)
• M4: 1,868,328 km (0.054 R)
• M5: 2,543,762 km (0.049 R)
• M6: 2,986,572 km (0.114 R)
• M7: 3,400,509 km (0.086 R)
• M8: 4,292,262 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.3

Radius: 10

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.49 AU - 1.55 AU

Year: 1210 Days

Day: 9 Hours

Environment

Temp: -169 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,654,385 km

• M1: 124,316 km (0.115 R)
• M2: 778,358 km (0.08 R)
• M3: 1,455,587 km (0.068 R)
• M4: 2,089,733 km (0.111 R)
• M5: 2,724,327 km (0.106 R)
• M6: 3,368,495 km (0.084 R)
• M7: 5,337,054 km (0.113 R)
• M8: 6,565,851 km (0.082 R)
• M9: 7,092,884 km (0.116 R)
• M10: 8,790,221 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.9

Radius: 13.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.46 AU - 2.5 AU

Year: 2522 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,654,385 km

• M1: 241,750 km (0.085 R)
• M2: 852,558 km (0.115 R)
• M3: 1,509,592 km (0.091 R)
• M4: 2,700,690 km (0.033 R)
• M5: 3,527,518 km (0.067 R)
• M6: 4,950,044 km (0.109 R)
• M7: 7,318,328 km (0.091 R)
• M8: 9,217,473 km (0.09 R)
• M9: 10,686,973 km (0.067 R)
• M10: 11,221,336 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.9

Radius: 13.7

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.21 AU - 4.41 AU

Year: 5777 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,654,385 km

• M1: 170,392 km (0.105 R)
• M2: 689,347 km (0.045 R)
• M3: 1,193,193 km (0.026 R)
• M4: 1,881,642 km (0.116 R)
• M5: 3,972,571 km (0.081 R)
• M6: 4,466,992 km (0.089 R)
• M7: 5,163,221 km (0.097 R)
• M8: 7,071,342 km (0.08 R)
• M9: 7,909,838 km (0.118 R)
• M10: 8,619,829 km (0.088 R)
• M11: 9,169,751 km (0.1 R)
• M12: 10,081,550 km (0.047 R)
• M13: 12,926,902 km (0.064 R)
• M14: 14,561,408 km (0.045 R)
• M15: 15,229,811 km (0.072 R)
• M16: 17,420,373 km (0.042 R)
• M17: 17,983,459 km (0.086 R)
• M18: 20,084,711 km (0.094 R)
• M19: 22,565,492 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.5

Radius: 12

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.84 AU - 6.08 AU

Year: 9395 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,654,385 km

• M1: 149,299 km (0.117 R)
• M2: 542,442 km (0.104 R)
• M3: 951,442 km (0.059 R)
• M4: 2,856,422 km (0.054 R)
• M5: 3,931,881 km (0.06 R)
• M6: 4,335,795 km (0.109 R)
• M7: 6,097,011 km (0.096 R)
• M8: 7,496,499 km (0.116 R)
• M9: 8,468,436 km (0.086 R)
• M10: 9,427,359 km (0.092 R)
• M11: 9,859,996 km (0.099 R)
• M12: 10,610,528 km (0.069 R)
• M13: 12,113,089 km (0.069 R)
• M14: 13,875,651 km (0.081 R)
• M15: 15,937,858 km (0.092 R)
• M16: 17,042,189 km (0.103 R)
• M17: 21,475,522 km (0.097 R)
• M18: 22,736,333 km (0.114 R)
• M19: 24,946,343 km (0.118 R)
• M20: 27,102,796 km (0.118 R)
• M21: 27,490,254 km (0.11 R)
• M22: 29,687,099 km (0.109 R)
• M23: 30,202,314 km (0.074 R)
• M24: 31,039,015 km (0.117 R)
• M25: 36,270,004 km (0.041 R)
• M26: 37,935,028 km (0.051 R)
• M27: 38,909,060 km (0.076 R)
• M28: 40,780,080 km (0.103 R)
• M29: 45,242,286 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.3

Radius: 6.5

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.82 AU - 11.94 AU

Year: 20052 Days

Day: 24.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 67 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,654,385 km

• M1: 82,129 km (0.098 R)
• M2: 284,236 km (0.097 R)
• M3: 1,509,293 km (0.043 R)
• M4: 1,982,172 km (0.071 R)
• M5: 2,327,593 km (0.105 R)
• M6: 2,688,872 km (0.094 R)
• M7: 2,908,183 km (0.118 R)
• M8: 3,466,781 km (0.101 R)
• M9: 3,938,613 km (0.111 R)
• M10: 6,782,618 km (0.074 R)
• M11: 8,566,872 km (0.112 R)
• M12: 8,936,528 km (0.115 R)
• M13: 14,910,270 km (0.079 R)
• M14: 15,678,455 km (0.102 R)
• M15: 17,714,033 km (0.077 R)
• M16: 17,969,696 km (0.092 R)
• M17: 18,839,309 km (0.117 R)
• M18: 20,756,405 km (0.101 R)
• M19: 23,305,403 km (0.077 R)
• M20: 23,612,229 km (0.068 R)
• M21: 28,897,222 km (0.098 R)
• M22: 29,133,138 km (0.08 R)
• M23: 31,314,275 km (0.074 R)
• M24: 35,321,703 km (0.026 R)
• M25: 37,099,374 km (0.073 R)
• M26: 37,378,075 km (0.107 R)
• M27: 38,649,358 km (0.041 R)
• M28: 50,385,460 km (0.114 R)
• M29: 57,333,384 km (0.026 R)
• M30: 57,892,730 km (0.105 R)
• M31: 61,326,301 km (0.099 R)
• M32: 61,911,378 km (0.084 R)
• M33: 71,786,932 km (0.093 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 10,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit