🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.9

Radius: 14.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.78 AU - 1.06 AU

Year: 561 Days

Day: 5.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,059,477 km

• M1: 182,958 km (0.101 R)
• M2: 962,961 km (0.083 R)
• M3: 1,713,793 km (0.11 R)
• M4: 2,645,040 km (0.05 R)
• M5: 3,518,692 km (0.075 R)
• M6: 4,225,841 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.6

Radius: 11.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.3 AU - 1.52 AU

Year: 1065 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,059,477 km

• M1: 148,700 km (0.059 R)
• M2: 668,702 km (0.059 R)
• M3: 1,180,776 km (0.053 R)
• M4: 1,629,719 km (0.069 R)
• M5: 2,316,074 km (0.062 R)
• M6: 2,858,815 km (0.106 R)
• M7: 3,402,005 km (0.092 R)
• M8: 4,201,157 km (0.076 R)
• M9: 5,121,483 km (0.113 R)
• M10: 5,786,894 km (0.094 R)
• M11: 7,151,975 km (0.111 R)
• M12: 7,934,821 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.3

Radius: 12.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.07 AU - 5.83 AU

Year: 8090 Days

Day: 8.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,059,477 km

• M1: 155,432 km (0.064 R)
• M2: 625,319 km (0.089 R)
• M3: 1,073,066 km (0.063 R)
• M4: 1,637,797 km (0.114 R)
• M5: 2,094,969 km (0.052 R)
• M6: 2,782,969 km (0.118 R)
• M7: 3,528,864 km (0.095 R)
• M8: 4,455,025 km (0.108 R)
• M9: 5,779,265 km (0.078 R)
• M10: 7,460,147 km (0.08 R)
• M11: 7,946,041 km (0.116 R)
• M12: 8,775,860 km (0.102 R)
• M13: 10,015,877 km (0.09 R)
• M14: 10,889,379 km (0.071 R)
• M15: 12,894,140 km (0.119 R)
• M16: 13,431,495 km (0.098 R)
• M17: 15,252,550 km (0.087 R)
• M18: 18,826,593 km (0.067 R)
• M19: 20,156,368 km (0.114 R)
• M20: 22,076,457 km (0.07 R)
• M21: 23,475,197 km (0.106 R)
• M22: 23,954,359 km (0.058 R)
• M23: 24,849,852 km (0.118 R)
• M24: 29,572,357 km (0.065 R)
• M25: 31,851,331 km (0.094 R)
• M26: 34,040,995 km (0.048 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.9

Radius: 3.8

Gravity: 68 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.22 AU - 7.42 AU

Year: 12592 Days

Day: 19.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,059,477 km

• M1: 58,942 km (0.096 R)
• M2: 335,249 km (0.078 R)
• M3: 543,489 km (0.096 R)
• M4: 823,536 km (0.081 R)
• M5: 1,007,841 km (0.056 R)
• M6: 2,189,215 km (0.08 R)
• M7: 2,331,034 km (0.107 R)
• M8: 2,457,444 km (0.115 R)
• M9: 2,678,400 km (0.026 R)
• M10: 3,009,909 km (0.092 R)
• M11: 3,237,148 km (0.092 R)
• M12: 3,641,063 km (0.065 R)
• M13: 4,847,569 km (0.115 R)
• M14: 6,839,166 km (0.026 R)
• M15: 7,731,667 km (0.114 R)
• M16: 8,450,185 km (0.067 R)
• M17: 9,422,721 km (0.118 R)
• M18: 9,582,791 km (0.105 R)
• M19: 9,908,465 km (0.112 R)
• M20: 10,813,084 km (0.101 R)
• M21: 11,771,258 km (0.081 R)
• M22: 16,945,699 km (0.116 R)
• M23: 22,207,804 km (0.088 R)
• M24: 25,154,583 km (0.094 R)
• M25: 29,021,987 km (0.092 R)
• M26: 29,474,670 km (0.081 R)
• M27: 33,887,807 km (0.082 R)
• M28: 35,024,153 km (0.096 R)
• M29: 35,152,059 km (0.057 R)
• M30: 35,666,376 km (0.119 R)
• M31: 36,055,331 km (0.09 R)
• M32: 37,774,061 km (0.054 R)
• M33: 39,408,118 km (0.099 R)
• M34: 42,380,179 km (0.057 R)
• M35: 43,256,075 km (0.102 R)
• M36: 50,212,824 km (0.079 R)
• M37: 54,553,407 km (0.104 R)
• M38: 57,167,779 km (0.082 R)
• M39: 57,345,053 km (0.12 R)
• M40: 63,021,993 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.3

Radius: 5.1

Gravity: 26.35 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.04 AU - 9.26 AU

Year: 16175 Days

Day: 22.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 146.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,059,477 km

• M1: 67,618 km (0.068 R)
• M2: 260,450 km (0.078 R)
• M3: 591,360 km (0.115 R)
• M4: 866,471 km (0.097 R)
• M5: 1,144,873 km (0.078 R)
• M6: 1,319,603 km (0.095 R)
• M7: 1,527,693 km (0.034 R)
• M8: 3,859,027 km (0.066 R)
• M9: 4,161,663 km (0.1 R)
• M10: 7,499,790 km (0.11 R)
• M11: 9,025,539 km (0.083 R)
• M12: 10,000,318 km (0.086 R)
• M13: 11,284,766 km (0.074 R)
• M14: 13,343,831 km (0.095 R)
• M15: 14,533,433 km (0.108 R)
• M16: 15,944,889 km (0.073 R)
• M17: 21,932,843 km (0.095 R)
• M18: 22,700,130 km (0.09 R)
• M19: 27,794,237 km (0.052 R)
• M20: 29,725,695 km (0.074 R)
• M21: 32,849,748 km (0.113 R)
• M22: 33,223,742 km (0.094 R)
• M23: 34,235,024 km (0.107 R)
• M24: 39,600,202 km (0.11 R)
• M25: 40,307,800 km (0.101 R)
• M26: 41,312,649 km (0.11 R)
• M27: 47,854,564 km (0.059 R)
• M28: 50,786,383 km (0.078 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 14,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit