🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.53 AU - 0.53 AU

Year: 249 Days

Day: 33.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.8

Radius: 11.9

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.76 AU - 1.04 AU

Year: 551 Days

Day: 7 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,458,141 km

• M1: 153,338 km (0.102 R)
• M2: 533,466 km (0.108 R)
• M3: 1,043,296 km (0.098 R)
• M4: 1,520,662 km (0.086 R)
• M5: 2,041,861 km (0.073 R)
• M6: 2,758,435 km (0.08 R)
• M7: 3,282,177 km (0.101 R)
• M8: 3,886,104 km (0.101 R)
• M9: 4,421,365 km (0.062 R)
• M10: 4,821,839 km (0.103 R)
• M11: 5,246,397 km (0.077 R)
• M12: 5,659,138 km (0.115 R)
• M13: 6,093,570 km (0.111 R)
• M14: 7,443,392 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.5

Radius: 9.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.19 AU - 1.43 AU

Year: 968 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,458,141 km

• M1: 118,332 km (0.085 R)
• M2: 451,786 km (0.047 R)
• M3: 797,057 km (0.105 R)
• M4: 1,258,567 km (0.086 R)
• M5: 1,586,336 km (0.103 R)
• M6: 1,923,978 km (0.118 R)
• M7: 2,265,361 km (0.093 R)
• M8: 3,039,530 km (0.113 R)
• M9: 4,246,934 km (0.04 R)
• M10: 4,786,683 km (0.068 R)
• M11: 5,533,176 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.9

Radius: 10

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.24 AU - 1.68 AU

Year: 1139 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,458,141 km

• M1: 124,465 km (0.086 R)
• M2: 495,319 km (0.044 R)
• M3: 943,065 km (0.039 R)
• M4: 1,475,035 km (0.073 R)
• M5: 1,868,178 km (0.047 R)
• M6: 2,218,536 km (0.08 R)
• M7: 2,966,675 km (0.077 R)
• M8: 3,339,324 km (0.083 R)
• M9: 3,728,577 km (0.096 R)
• M10: 6,110,325 km (0.114 R)
• M11: 6,566,898 km (0.074 R)
• M12: 6,913,067 km (0.114 R)
• M13: 7,340,169 km (0.049 R)
• M14: 7,904,602 km (0.083 R)
• M15: 8,676,228 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.8

Radius: 12.7

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.68 AU - 4.18 AU

Year: 4102 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,458,141 km

• M1: 157,975 km (0.084 R)
• M2: 572,661 km (0.116 R)
• M3: 979,716 km (0.052 R)
• M4: 1,557,613 km (0.113 R)
• M5: 1,973,944 km (0.097 R)
• M6: 2,388,330 km (0.1 R)
• M7: 2,826,652 km (0.113 R)
• M8: 4,744,796 km (0.108 R)
• M9: 6,794,885 km (0.082 R)
• M10: 7,247,269 km (0.108 R)
• M11: 10,441,183 km (0.111 R)
• M12: 11,400,555 km (0.084 R)
• M13: 13,344,280 km (0.077 R)
• M14: 15,610,687 km (0.037 R)
• M15: 16,923,110 km (0.119 R)
• M16: 17,817,854 km (0.048 R)
• M17: 18,493,887 km (0.116 R)
• M18: 19,766,815 km (0.069 R)
• M19: 23,494,944 km (0.066 R)
• M20: 23,936,108 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.4

Radius: 7.1

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.38 AU - 8.82 AU

Year: 12215 Days

Day: 22.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,458,141 km

• M1: 94,995 km (0.112 R)
• M2: 566,228 km (0.064 R)
• M3: 1,087,726 km (0.116 R)
• M4: 1,479,523 km (0.114 R)
• M5: 1,764,058 km (0.098 R)
• M6: 2,120,699 km (0.104 R)
• M7: 3,748,324 km (0.045 R)
• M8: 4,310,513 km (0.059 R)
• M9: 5,223,658 km (0.087 R)
• M10: 6,072,028 km (0.071 R)
• M11: 7,685,142 km (0.1 R)
• M12: 8,174,776 km (0.041 R)
• M13: 9,364,378 km (0.086 R)
• M14: 9,717,279 km (0.067 R)
• M15: 12,805,877 km (0.113 R)
• M16: 13,944,167 km (0.114 R)
• M17: 14,205,963 km (0.115 R)
• M18: 14,604,941 km (0.084 R)
• M19: 15,217,245 km (0.065 R)
• M20: 16,131,737 km (0.103 R)
• M21: 17,533,618 km (0.081 R)
• M22: 18,303,150 km (0.116 R)
• M23: 19,418,103 km (0.114 R)
• M24: 20,325,264 km (0.071 R)
• M25: 21,782,497 km (0.112 R)
• M26: 29,907,307 km (0.069 R)
• M27: 31,227,508 km (0.038 R)
• M28: 40,903,199 km (0.078 R)
• M29: 43,775,179 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.1

Radius: 3.1

Gravity: 31.02 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.32 AU - 8.6 AU

Year: 15888 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,458,141 km

• M1: 40,990 km (0.111 R)
• M2: 180,116 km (0.104 R)
• M3: 361,728 km (0.071 R)
• M4: 502,798 km (0.081 R)
• M5: 679,922 km (0.049 R)
• M6: 917,185 km (0.053 R)
• M7: 1,066,334 km (0.047 R)
• M8: 1,346,381 km (0.096 R)
• M9: 1,568,534 km (0.091 R)
• M10: 2,287,052 km (0.095 R)
• M11: 2,481,380 km (0.119 R)
• M12: 3,273,052 km (0.073 R)
• M13: 5,852,717 km (0.034 R)
• M14: 6,555,678 km (0.095 R)
• M15: 8,126,904 km (0.076 R)
• M16: 8,396,031 km (0.077 R)
• M17: 8,999,359 km (0.116 R)
• M18: 9,631,111 km (0.077 R)
• M19: 9,730,893 km (0.104 R)
• M20: 10,085,440 km (0.066 R)
• M21: 12,632,643 km (0.11 R)
• M22: 13,054,359 km (0.081 R)
• M23: 13,299,550 km (0.108 R)
• M24: 14,835,621 km (0.069 R)
• M25: 16,132,634 km (0.111 R)
• M26: 19,263,568 km (0.03 R)
• M27: 22,250,439 km (0.11 R)
• M28: 24,589,851 km (0.111 R)
• M29: 25,246,585 km (0.082 R)
• M30: 26,791,483 km (0.054 R)
• M31: 28,193,963 km (0.119 R)
• M32: 38,021,196 km (0.113 R)
• M33: 39,661,387 km (0.034 R)
• M34: 43,353,164 km (0.089 R)
• M35: 43,489,148 km (0.084 R)
• M36: 48,427,524 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 18,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit