🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805

Radius: 11.7

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.59 AU - 0.67 AU

Year: 351 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,207,306 km

• M1: 145,559 km (0.106 R)
• M2: 534,064 km (0.114 R)
• M3: 901,178 km (0.088 R)
• M4: 1,338,602 km (0.091 R)
• M5: 1,727,107 km (0.114 R)
• M6: 2,175,153 km (0.098 R)
• M7: 2,890,680 km (0.096 R)
• M8: 3,983,343 km (0.055 R)
• M9: 4,589,064 km (0.111 R)
• M10: 5,193,589 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 12

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.52 AU - 0.78 AU

Year: 368 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,207,306 km

• M1: 149,598 km (0.083 R)
• M2: 714,479 km (0.102 R)
• M3: 1,087,726 km (0.113 R)
• M4: 2,129,376 km (0.078 R)
• M5: 2,815,881 km (0.051 R)
• M6: 3,412,926 km (0.045 R)
• M7: 4,407,452 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.9

Radius: 13

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.6 AU - 0.82 AU

Year: 421 Days

Day: 6.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,207,306 km

• M1: 162,762 km (0.069 R)
• M2: 580,739 km (0.082 R)
• M3: 1,225,655 km (0.115 R)
• M4: 1,706,164 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.3

Radius: 10.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.82 AU - 0.84 AU

Year: 532 Days

Day: 14.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,207,306 km

• M1: 133,142 km (0.099 R)
• M2: 494,720 km (0.047 R)
• M3: 842,834 km (0.063 R)
• M4: 1,370,017 km (0.113 R)
• M5: 1,729,800 km (0.071 R)
• M6: 2,091,378 km (0.112 R)
• M7: 2,708,918 km (0.094 R)
• M8: 3,084,110 km (0.097 R)
• M9: 3,456,608 km (0.089 R)
• M10: 4,425,105 km (0.089 R)
• M11: 6,176,447 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.9

Radius: 8.9

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.88 AU - 1 AU

Year: 641 Days

Day: 7.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 47,207,306 km

• M1: 110,852 km (0.104 R)
• M2: 407,804 km (0.12 R)
• M3: 751,729 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.6

Radius: 12.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.27 AU - 1.97 AU

Year: 1449 Days

Day: 9.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,207,306 km

• M1: 151,842 km (0.109 R)
• M2: 607,816 km (0.116 R)
• M3: 990,039 km (0.086 R)
• M4: 1,447,958 km (0.09 R)
• M5: 1,850,825 km (0.095 R)
• M6: 2,329,538 km (0.078 R)
• M7: 2,742,428 km (0.111 R)
• M8: 3,572,846 km (0.112 R)
• M9: 4,004,137 km (0.11 R)
• M10: 4,582,931 km (0.115 R)
• M11: 5,237,571 km (0.119 R)
• M12: 6,419,095 km (0.066 R)
• M13: 7,265,819 km (0.114 R)
• M14: 9,677,337 km (0.101 R)
• M15: 10,961,186 km (0.105 R)
• M16: 12,579,984 km (0.055 R)

Asteroid Belt

Center: 3.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.9

Radius: 10.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.4 AU - 6.18 AU

Year: 8552 Days

Day: 6.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,207,306 km

• M1: 126,859 km (0.099 R)
• M2: 467,793 km (0.106 R)
• M3: 797,955 km (0.115 R)
• M4: 1,470,098 km (0.073 R)
• M5: 1,917,396 km (0.051 R)
• M6: 2,284,958 km (0.119 R)
• M7: 3,033,994 km (0.114 R)
• M8: 3,982,894 km (0.088 R)
• M9: 4,611,504 km (0.107 R)
• M10: 4,962,760 km (0.117 R)
• M11: 5,523,303 km (0.079 R)
• M12: 6,036,872 km (0.054 R)
• M13: 7,529,261 km (0.118 R)
• M14: 9,097,795 km (0.042 R)
• M15: 10,655,856 km (0.116 R)
• M16: 13,619,540 km (0.063 R)
• M17: 14,188,012 km (0.106 R)
• M18: 15,428,028 km (0.118 R)
• M19: 17,092,754 km (0.115 R)
• M20: 18,308,535 km (0.072 R)
• M21: 19,908,185 km (0.095 R)
• M22: 20,506,278 km (0.105 R)
• M23: 21,808,078 km (0.069 R)
• M24: 23,530,399 km (0.084 R)
• M25: 26,360,342 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796

Radius: 4

Gravity: 49.75 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.2 AU - 5.8 AU

Year: 9067 Days

Day: 23.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,207,306 km

• M1: 49,816 km (0.101 R)
• M2: 193,580 km (0.063 R)
• M3: 947,403 km (0.091 R)
• M4: 1,952,701 km (0.079 R)
• M5: 3,045,214 km (0.082 R)
• M6: 4,639,928 km (0.107 R)
• M7: 5,769,391 km (0.084 R)
• M8: 6,051,234 km (0.072 R)
• M9: 6,912,618 km (0.109 R)
• M10: 8,875,193 km (0.119 R)
• M11: 9,250,684 km (0.115 R)
• M12: 10,859,309 km (0.09 R)
• M13: 12,296,347 km (0.057 R)
• M14: 13,793,073 km (0.037 R)
• M15: 14,296,620 km (0.095 R)
• M16: 14,424,376 km (0.05 R)
• M17: 16,433,625 km (0.105 R)
• M18: 18,094,910 km (0.052 R)
• M19: 21,162,115 km (0.084 R)
• M20: 22,948,912 km (0.111 R)
• M21: 24,467,031 km (0.111 R)
• M22: 24,741,693 km (0.108 R)
• M23: 25,204,100 km (0.028 R)
• M24: 30,889,417 km (0.113 R)
• M25: 31,103,192 km (0.105 R)
• M26: 35,821,210 km (0.109 R)
• M27: 38,103,774 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 18,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit