🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.1

Radius: 12

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.53 AU - 0.57 AU

Year: 287 Days

Day: 12.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,508,338 km

• M1: 149,448 km (0.104 R)
• M2: 602,131 km (0.068 R)
• M3: 1,145,172 km (0.103 R)
• M4: 1,541,157 km (0.088 R)
• M5: 1,954,347 km (0.12 R)
• M6: 2,433,209 km (0.088 R)
• M7: 3,000,335 km (0.098 R)
• M8: 3,892,686 km (0.049 R)
• M9: 4,783,542 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 11.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.69 AU - 0.95 AU

Year: 522 Days

Day: 13.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,508,338 km

• M1: 143,016 km (0.062 R)
• M2: 512,223 km (0.027 R)
• M3: 873,951 km (0.113 R)
• M4: 1,288,935 km (0.11 R)
• M5: 1,673,851 km (0.051 R)
• M6: 2,714,753 km (0.101 R)
• M7: 3,175,215 km (0.08 R)
• M8: 3,588,255 km (0.091 R)
• M9: 4,144,759 km (0.071 R)
• M10: 4,566,774 km (0.094 R)
• M11: 5,800,059 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.5

Radius: 11.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.89 AU - 1.13 AU

Year: 713 Days

Day: 6 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,508,338 km

• M1: 150,346 km (0.083 R)
• M2: 583,581 km (0.116 R)
• M3: 1,054,815 km (0.106 R)
• M4: 1,906,326 km (0.108 R)
• M5: 2,497,686 km (0.083 R)
• M6: 3,123,304 km (0.114 R)
• M7: 3,699,855 km (0.058 R)
• M8: 4,122,768 km (0.081 R)
• M9: 5,117,594 km (0.094 R)
• M10: 5,828,333 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66

Radius: 14.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.05 AU - 1.63 AU

Year: 1090 Days

Day: 14.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,508,338 km

• M1: 179,517 km (0.084 R)
• M2: 690,843 km (0.111 R)
• M3: 1,202,916 km (0.067 R)
• M4: 2,052,782 km (0.084 R)
• M5: 3,180,600 km (0.084 R)
• M6: 3,920,511 km (0.065 R)
• M7: 4,498,109 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.2

Radius: 11

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.72 AU - 2.14 AU

Year: 1885 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,508,338 km

• M1: 136,882 km (0.042 R)
• M2: 570,566 km (0.111 R)
• M3: 994,227 km (0.072 R)
• M4: 1,424,321 km (0.106 R)
• M5: 1,793,080 km (0.083 R)
• M6: 2,213,899 km (0.119 R)
• M7: 2,575,776 km (0.081 R)
• M8: 3,659,463 km (0.117 R)
• M9: 4,363,321 km (0.078 R)
• M10: 5,177,134 km (0.1 R)
• M11: 5,821,900 km (0.118 R)
• M12: 6,213,847 km (0.091 R)
• M13: 6,915,311 km (0.054 R)
• M14: 7,814,394 km (0.119 R)
• M15: 8,292,210 km (0.095 R)
• M16: 9,077,898 km (0.039 R)
• M17: 10,295,475 km (0.11 R)
• M18: 11,278,034 km (0.104 R)
• M19: 15,512,402 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.9

Radius: 13.5

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.03 AU - 2.49 AU

Year: 2388 Days

Day: 6.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,508,338 km

• M1: 167,849 km (0.039 R)
• M2: 692,638 km (0.06 R)
• M3: 1,278,314 km (0.055 R)
• M4: 1,742,217 km (0.039 R)
• M5: 2,655,661 km (0.11 R)
• M6: 3,255,399 km (0.092 R)
• M7: 3,717,058 km (0.084 R)
• M8: 4,366,163 km (0.086 R)
• M9: 5,469,149 km (0.109 R)
• M10: 6,750,155 km (0.07 R)
• M11: 10,722,427 km (0.101 R)
• M12: 12,505,036 km (0.057 R)
• M13: 15,050,294 km (0.115 R)
• M14: 16,037,640 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.3

Radius: 7.9

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.99 AU - 10.65 AU

Year: 21631 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,508,338 km

• M1: 124,166 km (0.04 R)
• M2: 384,467 km (0.09 R)
• M3: 826,977 km (0.109 R)
• M4: 2,237,835 km (0.098 R)
• M5: 3,500,590 km (0.055 R)
• M6: 4,537,154 km (0.105 R)
• M7: 7,108,292 km (0.104 R)
• M8: 8,916,033 km (0.101 R)
• M9: 9,695,139 km (0.053 R)
• M10: 10,101,447 km (0.115 R)
• M11: 12,238,452 km (0.119 R)
• M12: 13,555,512 km (0.076 R)
• M13: 15,585,854 km (0.115 R)
• M14: 15,903,002 km (0.104 R)
• M15: 17,383,871 km (0.066 R)
• M16: 17,724,954 km (0.069 R)
• M17: 22,982,571 km (0.09 R)
• M18: 24,763,534 km (0.039 R)
• M19: 25,523,042 km (0.078 R)
• M20: 33,726,840 km (0.052 R)
• M21: 34,659,732 km (0.092 R)
• M22: 35,336,513 km (0.116 R)
• M23: 36,022,120 km (0.113 R)
• M24: 42,288,326 km (0.104 R)
• M25: 45,758,697 km (0.109 R)
• M26: 47,066,332 km (0.112 R)
• M27: 48,566,949 km (0.112 R)
• M28: 54,342,474 km (0.072 R)
• M29: 59,010,825 km (0.093 R)
• M30: 59,395,441 km (0.046 R)
• M31: 59,975,582 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 12,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit