🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.46 AU - 0.72 AU

Year: 169 Days

Day: 30.5 Hours

Environment

Temp: 171 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,064,889 km

• M1: 30,817 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.56 AU - 0.66 AU

Year: 178 Days

Day: 18.8 Hours

Environment

Temp: 157 °C

Axial Tilt: 47.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,064,889 km

• M1: 146,008 km (0.085 R)

Asteroid Belt

Center: 3.1 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.5

Radius: 13.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.16 AU - 6.02 AU

Year: 4927 Days

Day: 6 Hours

Environment

Temp: -158 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,064,889 km

• M1: 163,510 km (0.107 R)
• M2: 2,735,098 km (0.079 R)
• M3: 4,581,285 km (0.111 R)
• M4: 6,268,899 km (0.054 R)
• M5: 11,189,921 km (0.101 R)
• M6: 11,846,356 km (0.062 R)
• M7: 12,355,587 km (0.118 R)
• M8: 13,924,570 km (0.075 R)
• M9: 18,906,179 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.6

Radius: 14.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.77 AU - 11.93 AU

Year: 12413 Days

Day: 8.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,064,889 km

• M1: 183,407 km (0.119 R)
• M2: 787,334 km (0.097 R)
• M3: 1,424,321 km (0.086 R)
• M4: 1,987,707 km (0.07 R)
• M5: 2,658,803 km (0.044 R)
• M6: 3,528,415 km (0.073 R)
• M7: 4,372,746 km (0.059 R)
• M8: 4,954,532 km (0.088 R)
• M9: 5,692,498 km (0.06 R)
• M10: 7,017,337 km (0.032 R)
• M11: 7,861,966 km (0.106 R)
• M12: 10,114,462 km (0.065 R)
• M13: 11,417,758 km (0.113 R)
• M14: 13,076,799 km (0.076 R)
• M15: 13,899,587 km (0.086 R)
• M16: 15,930,378 km (0.073 R)
• M17: 17,165,308 km (0.075 R)
• M18: 19,743,927 km (0.069 R)
• M19: 20,239,096 km (0.084 R)
• M20: 20,827,315 km (0.069 R)
• M21: 22,126,273 km (0.114 R)
• M22: 25,560,741 km (0.075 R)
• M23: 30,198,724 km (0.103 R)
• M24: 31,300,811 km (0.077 R)
• M25: 35,612,671 km (0.083 R)
• M26: 38,869,566 km (0.09 R)
• M27: 49,977,507 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.9

Radius: 7.3

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 14.2 AU - 14.6 AU

Year: 20370 Days

Day: 22.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 94,064,889 km

• M1: 91,105 km (0.107 R)
• M2: 477,666 km (0.079 R)
• M3: 908,059 km (0.113 R)
• M4: 1,509,742 km (0.082 R)
• M5: 1,907,971 km (0.039 R)
• M6: 2,175,003 km (0.102 R)
• M7: 3,415,170 km (0.09 R)
• M8: 4,768,582 km (0.093 R)
• M9: 5,069,423 km (0.077 R)
• M10: 5,423,072 km (0.061 R)
• M11: 6,136,056 km (0.029 R)
• M12: 6,492,398 km (0.104 R)
• M13: 8,323,476 km (0.111 R)
• M14: 9,041,396 km (0.031 R)
• M15: 11,442,891 km (0.114 R)
• M16: 12,969,986 km (0.117 R)
• M17: 16,003,083 km (0.057 R)
• M18: 16,423,153 km (0.038 R)
• M19: 27,038,918 km (0.057 R)
• M20: 28,607,152 km (0.101 R)
• M21: 34,503,702 km (0.109 R)
• M22: 35,205,017 km (0.103 R)
• M23: 38,854,905 km (0.102 R)
• M24: 43,558,262 km (0.054 R)
• M25: 43,884,685 km (0.104 R)
• M26: 45,206,681 km (0.071 R)
• M27: 46,215,569 km (0.103 R)
• M28: 52,400,993 km (0.077 R)
• M29: 53,888,444 km (0.1 R)
• M30: 59,316,005 km (0.043 R)
• M31: 73,296,674 km (0.097 R)
• M32: 80,675,589 km (0.08 R)
• M33: 81,167,915 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.1

Radius: 4.2

Gravity: 28.35 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 16.19 AU - 22.87 AU

Year: 32174 Days

Day: 21.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 94,064,889 km

• M1: 52,359 km (0.087 R)
• M2: 184,305 km (0.114 R)
• M3: 315,801 km (0.104 R)
• M4: 999,613 km (0.106 R)
• M5: 1,742,965 km (0.103 R)
• M6: 2,693,510 km (0.106 R)
• M7: 3,846,012 km (0.03 R)
• M8: 4,623,771 km (0.102 R)
• M9: 4,970,389 km (0.063 R)
• M10: 5,292,773 km (0.059 R)
• M11: 8,170,288 km (0.087 R)
• M12: 16,386,053 km (0.049 R)
• M13: 17,098,737 km (0.088 R)
• M14: 19,067,445 km (0.111 R)
• M15: 21,391,299 km (0.047 R)
• M16: 23,336,669 km (0.083 R)
• M17: 36,624,700 km (0.045 R)
• M18: 38,769,485 km (0.039 R)
• M19: 39,397,347 km (0.095 R)
• M20: 40,031,941 km (0.111 R)
• M21: 40,191,712 km (0.087 R)
• M22: 40,351,782 km (0.074 R)
• M23: 42,306,727 km (0.08 R)
• M24: 45,703,645 km (0.089 R)
• M25: 57,787,713 km (0.103 R)
• M26: 59,433,289 km (0.113 R)
• M27: 69,275,034 km (0.026 R)
• M28: 75,185,197 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 10,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit