🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.61 AU - 0.91 AU

Year: 246 Days

Day: 22.8 Hours

Environment

Temp: 114 °C

Axial Tilt: 46.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 110,077,827 km

• M1: 148,999 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.8 AU - 1.04 AU

Year: 327 Days

Day: 35.8 Hours

Environment

Temp: 34 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.23 AU - 1.99 AU

Year: 758 Days

Day: 12.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 110,077,827 km

• M1: 41,439 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.44 AU - 1.96 AU

Year: 822 Days

Day: 27 Hours

Environment

Temp: -64 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.2

Radius: 8.1

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.82 AU - 6.52 AU

Year: 5684 Days

Day: 11.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 110,077,827 km

• M1: 111,899 km (0.099 R)
• M2: 372,050 km (0.1 R)
• M3: 862,282 km (0.086 R)
• M4: 1,410,558 km (0.046 R)
• M5: 1,763,161 km (0.08 R)
• M6: 2,243,519 km (0.114 R)
• M7: 2,537,928 km (0.109 R)
• M8: 3,427,138 km (0.077 R)
• M9: 3,698,957 km (0.061 R)
• M10: 4,718,466 km (0.108 R)
• M11: 5,408,861 km (0.107 R)
• M12: 6,052,580 km (0.093 R)
• M13: 6,451,259 km (0.103 R)
• M14: 7,237,844 km (0.112 R)
• M15: 7,985,684 km (0.09 R)
• M16: 8,964,503 km (0.118 R)
• M17: 11,845,608 km (0.115 R)
• M18: 13,352,059 km (0.1 R)
• M19: 15,136,462 km (0.106 R)
• M20: 16,630,197 km (0.079 R)
• M21: 21,305,430 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.1

Radius: 9.8

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.73 AU - 7.79 AU

Year: 5809 Days

Day: 12.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 110,077,827 km

• M1: 121,922 km (0.118 R)
• M2: 433,983 km (0.118 R)
• M3: 830,119 km (0.103 R)
• M4: 1,505,254 km (0.098 R)
• M5: 2,619,309 km (0.095 R)
• M6: 3,099,518 km (0.065 R)
• M7: 3,525,274 km (0.088 R)
• M8: 4,416,578 km (0.111 R)
• M9: 5,127,916 km (0.095 R)
• M10: 6,571,386 km (0.111 R)
• M11: 6,882,848 km (0.065 R)
• M12: 8,149,793 km (0.094 R)
• M13: 15,510,756 km (0.117 R)
• M14: 20,685,646 km (0.098 R)
• M15: 21,965,755 km (0.097 R)
• M16: 22,507,897 km (0.079 R)
• M17: 23,218,188 km (0.057 R)
• M18: 25,523,342 km (0.039 R)
• M19: 26,556,614 km (0.081 R)
• M20: 33,145,951 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 14

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 10.4 AU - 12.48 AU

Year: 14350 Days

Day: 10.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 110,077,827 km

• M1: 175,628 km (0.119 R)
• M2: 851,810 km (0.116 R)
• M3: 1,968,259 km (0.05 R)
• M4: 2,864,350 km (0.094 R)
• M5: 3,528,565 km (0.115 R)
• M6: 4,379,029 km (0.114 R)
• M7: 5,362,485 km (0.03 R)
• M8: 5,907,022 km (0.087 R)
• M9: 6,488,359 km (0.099 R)
• M10: 7,639,814 km (0.101 R)
• M11: 10,040,111 km (0.053 R)
• M12: 11,578,426 km (0.089 R)
• M13: 12,029,314 km (0.111 R)
• M14: 13,763,154 km (0.106 R)
• M15: 16,280,287 km (0.048 R)
• M16: 17,426,955 km (0.092 R)
• M17: 19,483,028 km (0.047 R)
• M18: 20,528,717 km (0.072 R)
• M19: 22,296,515 km (0.099 R)
• M20: 35,323,348 km (0.103 R)
• M21: 36,274,342 km (0.099 R)
• M22: 39,356,507 km (0.066 R)
• M23: 42,742,954 km (0.102 R)
• M24: 44,232,500 km (0.103 R)
• M25: 44,782,571 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921

Radius: 3.7

Gravity: 67.28 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 15.08 AU - 22.34 AU

Year: 30013 Days

Day: 24.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 110,077,827 km

• M1: 72,256 km (0.109 R)
• M2: 250,726 km (0.06 R)
• M3: 605,871 km (0.065 R)
• M4: 824,733 km (0.083 R)
• M5: 1,455,886 km (0.094 R)
• M6: 1,827,936 km (0.101 R)
• M7: 2,002,367 km (0.12 R)
• M8: 3,584,365 km (0.12 R)
• M9: 4,257,256 km (0.084 R)
• M10: 4,603,725 km (0.06 R)
• M11: 5,352,761 km (0.096 R)
• M12: 5,664,823 km (0.09 R)
• M13: 6,083,697 km (0.075 R)
• M14: 7,797,191 km (0.083 R)
• M15: 10,139,594 km (0.06 R)
• M16: 12,754,864 km (0.107 R)
• M17: 13,230,436 km (0.097 R)
• M18: 16,427,193 km (0.058 R)
• M19: 21,073,403 km (0.104 R)
• M20: 23,576,026 km (0.115 R)
• M21: 23,812,839 km (0.086 R)
• M22: 25,890,903 km (0.111 R)
• M23: 27,559,069 km (0.115 R)
• M24: 41,115,180 km (0.07 R)
• M25: 47,588,728 km (0.085 R)
• M26: 51,861,243 km (0.108 R)
• M27: 67,143,414 km (0.073 R)
• M28: 70,521,783 km (0.106 R)
• M29: 97,699,677 km (0.087 R)
• M30: 103,924,444 km (0.112 R)
• M31: 104,880,374 km (0.082 R)
• M32: 105,520,952 km (0.09 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 13,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit