🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.45 AU - 0.57 AU

Year: 132 Days

Day: 18.1 Hours

Environment

Temp: 188 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.64 AU - 1.92 AU

Year: 863 Days

Day: 24.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,890,623 km

• M1: 171,888 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.5 AU - 3.2 AU

Year: 1749 Days

Day: 16.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.16 AU - 5.26 AU

Year: 3715 Days

Day: 29.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,890,623 km

• M1: 450,738 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 12.3

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.89 AU - 11.05 AU

Year: 13205 Days

Day: 14.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,890,623 km

• M1: 153,787 km (0.082 R)
• M2: 545,434 km (0.085 R)
• M3: 1,427,912 km (0.081 R)
• M4: 3,044,616 km (0.075 R)
• M5: 4,843,979 km (0.047 R)
• M6: 7,311,746 km (0.104 R)
• M7: 8,374,638 km (0.076 R)
• M8: 9,276,265 km (0.068 R)
• M9: 11,874,481 km (0.059 R)
• M10: 14,014,628 km (0.115 R)
• M11: 19,299,472 km (0.051 R)
• M12: 20,337,382 km (0.11 R)
• M13: 21,594,752 km (0.111 R)
• M14: 22,430,106 km (0.104 R)
• M15: 25,781,099 km (0.099 R)
• M16: 26,827,087 km (0.062 R)
• M17: 27,683,984 km (0.1 R)
• M18: 30,020,403 km (0.043 R)
• M19: 33,705,298 km (0.102 R)
• M20: 34,326,578 km (0.03 R)
• M21: 38,756,171 km (0.106 R)
• M22: 39,301,156 km (0.105 R)
• M23: 47,633,159 km (0.12 R)
• M24: 48,415,855 km (0.088 R)
• M25: 50,652,792 km (0.107 R)
• M26: 60,474,191 km (0.085 R)
• M27: 61,023,664 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.4

Radius: 5.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 10.49 AU - 15.23 AU

Year: 16761 Days

Day: 16.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,890,623 km

• M1: 90,507 km (0.042 R)
• M2: 318,045 km (0.093 R)
• M3: 697,724 km (0.1 R)
• M4: 870,660 km (0.079 R)
• M5: 1,558,511 km (0.034 R)
• M6: 1,731,446 km (0.083 R)
• M7: 2,147,926 km (0.114 R)
• M8: 4,501,250 km (0.118 R)
• M9: 6,762,123 km (0.103 R)
• M10: 9,773,079 km (0.09 R)
• M11: 10,180,135 km (0.073 R)
• M12: 11,518,886 km (0.047 R)
• M13: 18,458,432 km (0.066 R)
• M14: 20,731,722 km (0.1 R)
• M15: 31,497,233 km (0.082 R)
• M16: 31,791,044 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.6

Radius: 3.3

Gravity: 27.42 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 13.33 AU - 17.59 AU

Year: 22092 Days

Day: 16.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,890,623 km

• M1: 179,517 km (0.108 R)
• M2: 412,441 km (0.082 R)
• M3: 790,625 km (0.111 R)
• M4: 1,050,626 km (0.087 R)
• M5: 1,789,041 km (0.095 R)
• M6: 2,483,923 km (0.051 R)
• M7: 2,659,850 km (0.074 R)
• M8: 3,667,541 km (0.117 R)
• M9: 6,478,336 km (0.052 R)
• M10: 16,267,123 km (0.074 R)
• M11: 17,512,824 km (0.052 R)
• M12: 20,812,505 km (0.055 R)
• M13: 26,979,078 km (0.101 R)
• M14: 34,887,271 km (0.118 R)
• M15: 37,212,470 km (0.107 R)
• M16: 38,009,977 km (0.114 R)
• M17: 40,610,287 km (0.096 R)
• M18: 41,882,467 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226

Radius: 3

Gravity: 25.11 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 12.46 AU - 19.4 AU

Year: 23108 Days

Day: 20.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 57,890,623 km

• M1: 37,399 km (0.113 R)
• M2: 232,625 km (0.095 R)
• M3: 427,850 km (0.078 R)
• M4: 919,728 km (0.055 R)
• M5: 1,042,398 km (0.094 R)
• M6: 1,362,537 km (0.067 R)
• M7: 1,492,538 km (0.077 R)
• M8: 2,647,583 km (0.078 R)
• M9: 3,966,588 km (0.067 R)
• M10: 4,172,285 km (0.1 R)
• M11: 4,415,980 km (0.085 R)
• M12: 4,865,372 km (0.043 R)
• M13: 5,169,803 km (0.065 R)
• M14: 5,891,763 km (0.11 R)
• M15: 8,218,907 km (0.111 R)
• M16: 9,248,739 km (0.052 R)
• M17: 11,266,964 km (0.086 R)
• M18: 11,383,650 km (0.117 R)
• M19: 12,040,385 km (0.11 R)
• M20: 14,026,446 km (0.045 R)
• M21: 14,161,682 km (0.089 R)
• M22: 17,282,144 km (0.1 R)
• M23: 18,632,415 km (0.036 R)
• M24: 21,811,370 km (0.051 R)
• M25: 24,249,516 km (0.082 R)
• M26: 25,634,493 km (0.063 R)
• M27: 26,141,779 km (0.101 R)
• M28: 26,243,954 km (0.115 R)
• M29: 29,436,672 km (0.078 R)
• M30: 31,125,782 km (0.06 R)
• M31: 32,052,690 km (0.11 R)
• M32: 34,082,883 km (0.036 R)
• M33: 38,002,646 km (0.036 R)
• M34: 45,529,065 km (0.087 R)
• M35: 47,023,847 km (0.112 R)
• M36: 47,478,475 km (0.071 R)
• M37: 48,242,920 km (0.115 R)
• M38: 50,426,600 km (0.108 R)
• M39: 51,542,750 km (0.084 R)
• M40: 52,675,355 km (0.076 R)
• M41: 53,824,416 km (0.101 R)
• M42: 54,155,626 km (0.061 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 12,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit