🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 11.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.71 AU - 0.85 AU

Year: 467 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 124.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,487,147 km

• M1: 147,653 km (0.088 R)
• M2: 528,230 km (0.06 R)
• M3: 916,437 km (0.044 R)
• M4: 1,592,469 km (0.074 R)
• M5: 2,191,310 km (0.116 R)
• M6: 2,801,071 km (0.104 R)
• M7: 3,240,439 km (0.093 R)
• M8: 4,071,904 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.9

Radius: 14.1

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.76 AU - 0.84 AU

Year: 485 Days

Day: 8.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 87,487,147 km

• M1: 175,329 km (0.041 R)
• M2: 700,716 km (0.101 R)
• M3: 1,214,735 km (0.106 R)
• M4: 1,720,675 km (0.095 R)
• M5: 2,216,741 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 14.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.94 AU - 1.2 AU

Year: 751 Days

Day: 9 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,487,147 km

• M1: 181,612 km (0.073 R)
• M2: 666,608 km (0.091 R)
• M3: 1,134,849 km (0.076 R)
• M4: 1,827,039 km (0.068 R)
• M5: 2,946,779 km (0.077 R)
• M6: 3,527,518 km (0.029 R)
• M7: 4,138,027 km (0.099 R)
• M8: 4,956,477 km (0.077 R)
• M9: 5,999,024 km (0.108 R)
• M10: 6,530,545 km (0.08 R)
• M11: 7,138,362 km (0.1 R)
• M12: 8,268,274 km (0.106 R)
• M13: 8,747,287 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.8

Radius: 11.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.14 AU - 1.88 AU

Year: 1259 Days

Day: 12.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,487,147 km

• M1: 140,472 km (0.116 R)
• M2: 684,111 km (0.088 R)
• M3: 1,135,149 km (0.067 R)
• M4: 1,560,904 km (0.106 R)
• M5: 2,179,043 km (0.085 R)
• M6: 2,644,292 km (0.107 R)
• M7: 3,050,001 km (0.083 R)
• M8: 3,467,080 km (0.113 R)
• M9: 4,139,074 km (0.098 R)
• M10: 4,782,494 km (0.081 R)
• M11: 6,337,115 km (0.113 R)
• M12: 6,851,283 km (0.111 R)
• M13: 8,178,067 km (0.053 R)
• M14: 8,988,738 km (0.077 R)
• M15: 9,760,214 km (0.093 R)
• M16: 10,130,917 km (0.091 R)
• M17: 11,165,985 km (0.063 R)

Asteroid Belt

Center: 1.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962

Radius: 12.5

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.88 AU - 2.82 AU

Year: 2443 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,487,147 km

• M1: 155,731 km (0.058 R)
• M2: 622,477 km (0.086 R)
• M3: 1,218,774 km (0.032 R)
• M4: 1,811,032 km (0.092 R)
• M5: 3,100,416 km (0.113 R)
• M6: 3,676,966 km (0.107 R)
• M7: 4,114,241 km (0.068 R)
• M8: 4,564,081 km (0.1 R)
• M9: 5,462,267 km (0.091 R)
• M10: 6,169,416 km (0.091 R)
• M11: 6,559,717 km (0.066 R)
• M12: 7,297,983 km (0.051 R)
• M13: 7,831,149 km (0.05 R)
• M14: 8,559,541 km (0.084 R)
• M15: 9,662,227 km (0.109 R)
• M16: 10,383,439 km (0.075 R)
• M17: 11,511,407 km (0.07 R)
• M18: 15,796,039 km (0.107 R)
• M19: 19,456,250 km (0.089 R)
• M20: 19,935,263 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 8.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.9 AU - 3.02 AU

Year: 2617 Days

Day: 12.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,487,147 km

• M1: 123,867 km (0.105 R)
• M2: 505,641 km (0.111 R)
• M3: 1,438,234 km (0.101 R)
• M4: 2,040,665 km (0.071 R)
• M5: 3,533,950 km (0.099 R)
• M6: 4,388,154 km (0.083 R)
• M7: 6,899,903 km (0.047 R)
• M8: 8,175,823 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.3

Radius: 7.7

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.59 AU - 11.47 AU

Year: 21545 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,487,147 km

• M1: 95,743 km (0.112 R)
• M2: 440,416 km (0.092 R)
• M3: 1,026,241 km (0.064 R)
• M4: 1,365,230 km (0.042 R)
• M5: 1,893,460 km (0.077 R)
• M6: 2,183,381 km (0.088 R)
• M7: 2,478,986 km (0.089 R)
• M8: 3,440,452 km (0.084 R)
• M9: 4,072,054 km (0.099 R)
• M10: 5,481,715 km (0.105 R)
• M11: 6,296,874 km (0.103 R)
• M12: 6,710,212 km (0.105 R)
• M13: 8,165,949 km (0.116 R)
• M14: 8,657,678 km (0.113 R)
• M15: 8,996,367 km (0.108 R)
• M16: 12,102,318 km (0.106 R)
• M17: 12,959,664 km (0.05 R)
• M18: 13,704,362 km (0.089 R)
• M19: 15,941,747 km (0.101 R)
• M20: 18,878,054 km (0.071 R)
• M21: 19,544,214 km (0.051 R)
• M22: 20,523,033 km (0.11 R)
• M23: 20,923,506 km (0.111 R)
• M24: 23,112,422 km (0.115 R)
• M25: 23,764,819 km (0.05 R)
• M26: 32,714,362 km (0.109 R)
• M27: 34,795,866 km (0.119 R)
• M28: 35,796,826 km (0.086 R)
• M29: 37,855,891 km (0.096 R)
• M30: 38,307,228 km (0.111 R)
• M31: 39,220,672 km (0.065 R)
• M32: 43,841,002 km (0.047 R)
• M33: 47,928,914 km (0.069 R)
• M34: 61,704,035 km (0.097 R)
• M35: 64,229,696 km (0.097 R)
• M36: 65,518,183 km (0.05 R)
• M37: 71,758,957 km (0.072 R)
• M38: 78,628,491 km (0.076 R)
• M39: 84,378,585 km (0.218 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 18,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit