🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.4

Radius: 12.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.74 AU - 1 AU

Year: 524 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,239,112 km

• M1: 150,795 km (0.066 R)
• M2: 543,639 km (0.06 R)
• M3: 953,686 km (0.119 R)
• M4: 1,361,041 km (0.098 R)
• M5: 2,009,548 km (0.088 R)
• M6: 2,527,157 km (0.088 R)
• M7: 3,076,181 km (0.078 R)
• M8: 3,526,770 km (0.118 R)
• M9: 4,429,743 km (0.074 R)
• M10: 5,102,634 km (0.117 R)
• M11: 5,877,850 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.1

Radius: 8.6

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.84 AU - 1.26 AU

Year: 695 Days

Day: 11.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,239,112 km

• M1: 107,262 km (0.044 R)
• M2: 565,630 km (0.093 R)
• M3: 872,455 km (0.116 R)
• M4: 1,215,034 km (0.105 R)
• M5: 1,592,469 km (0.08 R)
• M6: 1,877,902 km (0.054 R)
• M7: 2,479,884 km (0.101 R)
• M8: 2,774,741 km (0.099 R)
• M9: 3,488,922 km (0.088 R)
• M10: 3,846,460 km (0.114 R)
• M11: 4,684,358 km (0.079 R)
• M12: 5,189,999 km (0.089 R)
• M13: 5,882,188 km (0.091 R)
• M14: 6,350,280 km (0.058 R)
• M15: 6,696,599 km (0.101 R)
• M16: 7,012,699 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499

Radius: 14.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.86 AU - 2.38 AU

Year: 1993 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,239,112 km

• M1: 184,005 km (0.12 R)
• M2: 655,837 km (0.067 R)
• M3: 1,307,485 km (0.05 R)
• M4: 1,831,676 km (0.061 R)
• M5: 2,372,024 km (0.082 R)
• M6: 3,033,994 km (0.043 R)
• M7: 3,957,911 km (0.104 R)
• M8: 4,496,164 km (0.111 R)
• M9: 5,585,386 km (0.106 R)
• M10: 6,844,103 km (0.043 R)
• M11: 7,375,923 km (0.1 R)
• M12: 7,964,142 km (0.082 R)
• M13: 8,889,704 km (0.048 R)
• M14: 10,463,025 km (0.105 R)
• M15: 11,207,124 km (0.117 R)
• M16: 14,071,625 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.7

Radius: 12.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.69 AU - 4.33 AU

Year: 4246 Days

Day: 8.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,239,112 km

• M1: 155,432 km (0.117 R)
• M2: 556,654 km (0.111 R)
• M3: 1,121,086 km (0.09 R)
• M4: 1,628,074 km (0.081 R)
• M5: 2,408,077 km (0.103 R)
• M6: 2,832,486 km (0.09 R)
• M7: 3,365,204 km (0.051 R)
• M8: 5,060,447 km (0.093 R)
• M9: 5,764,006 km (0.099 R)
• M10: 8,307,768 km (0.12 R)
• M11: 10,944,730 km (0.105 R)
• M12: 11,478,196 km (0.065 R)
• M13: 15,600,814 km (0.102 R)
• M14: 17,809,627 km (0.059 R)
• M15: 19,436,354 km (0.104 R)
• M16: 23,345,795 km (0.107 R)
• M17: 24,455,811 km (0.104 R)
• M18: 25,138,576 km (0.082 R)
• M19: 26,781,011 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.5

Radius: 12.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.37 AU - 5.81 AU

Year: 8534 Days

Day: 5.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,239,112 km

• M1: 168,746 km (0.052 R)
• M2: 718,818 km (0.105 R)
• M3: 1,524,851 km (0.071 R)
• M4: 2,494,844 km (0.03 R)
• M5: 2,891,876 km (0.05 R)
• M6: 4,088,510 km (0.092 R)
• M7: 5,133,002 km (0.068 R)
• M8: 5,718,379 km (0.118 R)
• M9: 7,134,173 km (0.084 R)
• M10: 7,589,848 km (0.11 R)
• M11: 10,073,322 km (0.108 R)
• M12: 10,745,914 km (0.077 R)
• M13: 13,566,732 km (0.099 R)
• M14: 15,999,343 km (0.114 R)
• M15: 16,782,488 km (0.097 R)
• M16: 18,496,281 km (0.089 R)
• M17: 20,023,825 km (0.11 R)
• M18: 22,189,104 km (0.109 R)
• M19: 22,917,197 km (0.042 R)
• M20: 25,023,236 km (0.049 R)
• M21: 27,163,533 km (0.106 R)
• M22: 36,503,077 km (0.055 R)
• M23: 37,745,936 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.3

Radius: 5.6

Gravity: 17.58 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.8 AU - 7.72 AU

Year: 12630 Days

Day: 18.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 161.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,239,112 km

• M1: 70,909 km (0.11 R)
• M2: 259,702 km (0.076 R)
• M3: 702,661 km (0.092 R)
• M4: 963,111 km (0.087 R)
• M5: 1,574,966 km (0.063 R)
• M6: 1,855,612 km (0.115 R)
• M7: 3,734,711 km (0.095 R)
• M8: 4,091,801 km (0.107 R)
• M9: 4,779,054 km (0.069 R)
• M10: 5,368,469 km (0.105 R)
• M11: 5,895,652 km (0.069 R)
• M12: 6,573,031 km (0.069 R)
• M13: 8,399,322 km (0.107 R)
• M14: 9,603,735 km (0.103 R)
• M15: 10,012,286 km (0.084 R)
• M16: 11,251,405 km (0.103 R)
• M17: 15,787,662 km (0.03 R)
• M18: 17,310,119 km (0.08 R)
• M19: 22,283,201 km (0.094 R)
• M20: 23,270,846 km (0.045 R)
• M21: 23,453,655 km (0.036 R)
• M22: 28,755,852 km (0.119 R)
• M23: 28,966,337 km (0.101 R)
• M24: 33,046,618 km (0.072 R)
• M25: 34,923,922 km (0.091 R)
• M26: 40,715,005 km (0.061 R)
• M27: 42,188,844 km (0.057 R)
• M28: 42,596,797 km (0.078 R)
• M29: 43,697,837 km (0.05 R)
• M30: 49,790,659 km (0.06 R)
• M31: 50,704,852 km (0.1 R)
• M32: 52,097,010 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.2

Radius: 7.9

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.9 AU - 8.66 AU

Year: 12683 Days

Day: 18.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,239,112 km

• M1: 100,829 km (0.12 R)
• M2: 432,637 km (0.077 R)
• M3: 736,919 km (0.112 R)
• M4: 1,050,027 km (0.094 R)
• M5: 1,492,837 km (0.109 R)
• M6: 2,667,779 km (0.116 R)
• M7: 3,108,644 km (0.052 R)
• M8: 4,164,356 km (0.082 R)
• M9: 10,601,552 km (0.06 R)
• M10: 11,423,144 km (0.044 R)
• M11: 12,169,039 km (0.109 R)
• M12: 13,504,499 km (0.113 R)
• M13: 14,535,378 km (0.094 R)
• M14: 15,479,490 km (0.116 R)
• M15: 15,826,408 km (0.099 R)
• M16: 17,714,781 km (0.105 R)
• M17: 20,321,674 km (0.054 R)
• M18: 23,995,798 km (0.1 R)
• M19: 26,380,687 km (0.117 R)
• M20: 27,579,714 km (0.082 R)
• M21: 30,193,637 km (0.114 R)
• M22: 30,735,631 km (0.032 R)
• M23: 32,854,236 km (0.071 R)
• M24: 35,908,426 km (0.108 R)
• M25: 37,504,336 km (0.12 R)
• M26: 37,879,228 km (0.06 R)
• M27: 44,361,902 km (0.073 R)
• M28: 44,781,225 km (0.105 R)
• M29: 46,484,995 km (0.108 R)
• M30: 50,324,125 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 11,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit