🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.1

Radius: 11.1

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.57 AU - 0.75 AU

Year: 370 Days

Day: 7.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,141,185 km

• M1: 138,079 km (0.116 R)
• M2: 530,923 km (0.081 R)
• M3: 1,067,830 km (0.111 R)
• M4: 1,663,229 km (0.079 R)
• M5: 2,063,104 km (0.066 R)
• M6: 2,543,613 km (0.096 R)
• M7: 2,986,572 km (0.104 R)
• M8: 3,339,922 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.6

Radius: 11.7

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.69 AU - 1.01 AU

Year: 541 Days

Day: 6 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,141,185 km

• M1: 145,559 km (0.115 R)
• M2: 651,050 km (0.062 R)
• M3: 1,379,143 km (0.045 R)
• M4: 1,774,530 km (0.12 R)
• M5: 2,328,341 km (0.081 R)
• M6: 2,940,795 km (0.034 R)
• M7: 3,374,778 km (0.106 R)
• M8: 3,904,205 km (0.063 R)
• M9: 4,315,899 km (0.069 R)
• M10: 4,726,395 km (0.116 R)
• M11: 5,276,167 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 10.9

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.82 AU - 0.92 AU

Year: 560 Days

Day: 6.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,141,185 km

• M1: 135,536 km (0.065 R)
• M2: 476,619 km (0.085 R)
• M3: 1,031,029 km (0.107 R)
• M4: 1,376,899 km (0.108 R)
• M5: 1,860,998 km (0.105 R)
• M6: 2,467,318 km (0.111 R)
• M7: 3,380,313 km (0.088 R)
• M8: 4,119,925 km (0.096 R)
• M9: 4,930,596 km (0.028 R)
• M10: 5,749,944 km (0.083 R)
• M11: 6,351,626 km (0.056 R)
• M12: 6,952,112 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.7

Radius: 13.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.89 AU - 0.95 AU

Year: 609 Days

Day: 7.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,141,185 km

• M1: 167,101 km (0.083 R)
• M2: 741,108 km (0.108 R)
• M3: 1,280,259 km (0.037 R)
• M4: 2,383,393 km (0.09 R)
• M5: 2,968,770 km (0.113 R)
• M6: 3,801,581 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 10.3

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.74 AU - 1.18 AU

Year: 649 Days

Day: 11.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,141,185 km

• M1: 128,056 km (0.025 R)
• M2: 484,697 km (0.063 R)
• M3: 851,062 km (0.091 R)
• M4: 1,304,194 km (0.065 R)
• M5: 1,668,166 km (0.032 R)
• M6: 2,043,657 km (0.079 R)
• M7: 2,411,817 km (0.076 R)
• M8: 3,707,035 km (0.093 R)
• M9: 4,596,843 km (0.072 R)
• M10: 5,307,583 km (0.101 R)
• M11: 5,814,570 km (0.103 R)
• M12: 6,292,086 km (0.071 R)
• M13: 6,774,091 km (0.116 R)
• M14: 7,577,880 km (0.093 R)
• M15: 8,148,297 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.1

Radius: 13.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.38 AU - 3.26 AU

Year: 3269 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,141,185 km

• M1: 172,935 km (0.072 R)
• M2: 683,513 km (0.092 R)
• M3: 2,507,111 km (0.096 R)
• M4: 2,995,099 km (0.099 R)
• M5: 3,563,122 km (0.075 R)
• M6: 4,836,948 km (0.1 R)
• M7: 5,490,242 km (0.11 R)
• M8: 6,322,305 km (0.109 R)
• M9: 7,104,852 km (0.084 R)
• M10: 8,093,694 km (0.048 R)
• M11: 8,711,832 km (0.039 R)
• M12: 9,456,680 km (0.103 R)
• M13: 10,481,126 km (0.036 R)
• M14: 12,249,971 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 12.4

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.09 AU - 5.41 AU

Year: 7146 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,141,185 km

• M1: 164,857 km (0.118 R)
• M2: 691,441 km (0.095 R)
• M3: 1,343,688 km (0.045 R)
• M4: 1,808,937 km (0.084 R)
• M5: 3,262,131 km (0.081 R)
• M6: 3,684,446 km (0.073 R)
• M7: 6,141,591 km (0.111 R)
• M8: 7,112,631 km (0.11 R)
• M9: 9,358,693 km (0.088 R)
• M10: 9,804,794 km (0.119 R)
• M11: 10,739,482 km (0.087 R)
• M12: 12,410,789 km (0.11 R)
• M13: 14,424,825 km (0.107 R)
• M14: 16,519,195 km (0.037 R)
• M15: 18,114,657 km (0.079 R)
• M16: 20,922,908 km (0.085 R)
• M17: 24,678,562 km (0.094 R)
• M18: 25,618,486 km (0.041 R)
• M19: 33,391,890 km (0.11 R)
• M20: 36,699,050 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 13,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit