🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.4

Radius: 10.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 6.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,179,182 km

• M1: 128,205 km (0.09 R)
• M2: 445,951 km (0.117 R)
• M3: 769,531 km (0.108 R)
• M4: 1,114,205 km (0.086 R)
• M5: 1,665,922 km (0.077 R)
• M6: 2,084,198 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.7

Radius: 12

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.54 AU - 0.84 AU

Year: 382 Days

Day: 6.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,179,182 km

• M1: 149,299 km (0.11 R)
• M2: 576,700 km (0.111 R)
• M3: 1,005,298 km (0.09 R)
• M4: 1,781,262 km (0.1 R)
• M5: 2,740,783 km (0.087 R)
• M6: 3,177,459 km (0.107 R)
• M7: 3,848,106 km (0.11 R)
• M8: 4,230,478 km (0.101 R)
• M9: 4,624,818 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.3

Radius: 11.5

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.97 AU - 1.33 AU

Year: 822 Days

Day: 6.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,179,182 km

• M1: 143,016 km (0.091 R)
• M2: 554,709 km (0.044 R)
• M3: 1,124,976 km (0.039 R)
• M4: 1,671,008 km (0.117 R)
• M5: 2,474,349 km (0.114 R)
• M6: 2,873,625 km (0.041 R)
• M7: 3,702,248 km (0.099 R)
• M8: 4,583,380 km (0.071 R)
• M9: 5,136,443 km (0.069 R)
• M10: 5,504,304 km (0.114 R)
• M11: 6,544,458 km (0.079 R)
• M12: 8,699,266 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.5

Radius: 8.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.23 AU - 1.45 AU

Year: 1034 Days

Day: 9 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,179,182 km

• M1: 103,223 km (0.045 R)
• M2: 378,782 km (0.115 R)
• M3: 644,468 km (0.112 R)
• M4: 1,002,156 km (0.118 R)
• M5: 2,016,430 km (0.09 R)
• M6: 2,297,674 km (0.044 R)
• M7: 2,809,747 km (0.109 R)
• M8: 3,149,783 km (0.109 R)
• M9: 3,957,013 km (0.069 R)
• M10: 4,275,358 km (0.104 R)
• M11: 4,660,273 km (0.095 R)
• M12: 5,648,816 km (0.115 R)
• M13: 6,374,814 km (0.081 R)
• M14: 7,095,277 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.2

Radius: 14.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.5 AU - 1.98 AU

Year: 1531 Days

Day: 6.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,179,182 km

• M1: 184,305 km (0.116 R)
• M2: 741,108 km (0.093 R)
• M3: 1,268,590 km (0.093 R)
• M4: 2,253,094 km (0.08 R)
• M5: 2,729,712 km (0.076 R)
• M6: 4,054,102 km (0.073 R)
• M7: 5,030,827 km (0.057 R)
• M8: 5,857,205 km (0.111 R)
• M9: 6,495,091 km (0.044 R)
• M10: 7,627,696 km (0.1 R)
• M11: 8,121,369 km (0.066 R)
• M12: 9,001,603 km (0.082 R)
• M13: 9,914,150 km (0.075 R)
• M14: 10,471,701 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 12.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.18 AU - 2.18 AU

Year: 2146 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,179,182 km

• M1: 160,369 km (0.118 R)
• M2: 637,137 km (0.086 R)
• M3: 1,352,215 km (0.097 R)
• M4: 2,065,947 km (0.079 R)
• M5: 2,641,599 km (0.054 R)
• M6: 3,123,304 km (0.055 R)
• M7: 4,191,882 km (0.083 R)
• M8: 5,424,269 km (0.118 R)
• M9: 8,385,110 km (0.034 R)
• M10: 9,629,316 km (0.104 R)
• M11: 10,261,816 km (0.048 R)
• M12: 10,675,603 km (0.087 R)
• M13: 11,244,374 km (0.117 R)
• M14: 13,601,289 km (0.096 R)
• M15: 14,143,282 km (0.076 R)

Asteroid Belt

Center: 3.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430

Radius: 9.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.68 AU - 6.16 AU

Year: 8415 Days

Day: 12.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,179,182 km

• M1: 118,781 km (0.029 R)
• M2: 451,038 km (0.062 R)
• M3: 1,589,477 km (0.101 R)
• M4: 2,247,858 km (0.097 R)
• M5: 2,838,919 km (0.105 R)
• M6: 3,644,055 km (0.046 R)
• M7: 7,269,110 km (0.095 R)
• M8: 9,902,182 km (0.062 R)
• M9: 10,792,589 km (0.042 R)
• M10: 11,633,628 km (0.064 R)
• M11: 14,302,454 km (0.095 R)
• M12: 17,024,986 km (0.115 R)
• M13: 18,508,099 km (0.095 R)
• M14: 22,274,076 km (0.112 R)
• M15: 27,324,051 km (0.076 R)
• M16: 28,325,908 km (0.069 R)
• M17: 31,281,064 km (0.097 R)
• M18: 34,226,198 km (0.072 R)
• M19: 35,176,443 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 12.9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.06 AU - 6.06 AU

Year: 8743 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,179,182 km

• M1: 160,519 km (0.11 R)
• M2: 573,708 km (0.055 R)
• M3: 1,418,038 km (0.077 R)
• M4: 2,305,752 km (0.11 R)
• M5: 3,134,225 km (0.119 R)
• M6: 4,926,407 km (0.098 R)
• M7: 5,893,558 km (0.061 R)
• M8: 7,916,271 km (0.072 R)
• M9: 8,497,757 km (0.08 R)
• M10: 9,793,125 km (0.099 R)
• M11: 10,810,541 km (0.041 R)
• M12: 11,950,775 km (0.107 R)
• M13: 12,494,863 km (0.104 R)
• M14: 14,106,780 km (0.111 R)
• M15: 14,653,111 km (0.116 R)
• M16: 19,998,543 km (0.079 R)
• M17: 20,688,787 km (0.089 R)
• M18: 22,854,964 km (0.048 R)
• M19: 24,035,890 km (0.093 R)
• M20: 28,394,573 km (0.059 R)
• M21: 30,658,887 km (0.118 R)
• M22: 34,659,583 km (0.066 R)
• M23: 35,099,999 km (0.067 R)
• M24: 37,358,328 km (0.062 R)
• M25: 38,640,980 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.3

Radius: 3.6

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.12 AU - 12.08 AU

Year: 23014 Days

Day: 22.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,179,182 km

• M1: 45,029 km (0.042 R)
• M2: 579,692 km (0.034 R)
• M3: 913,594 km (0.089 R)
• M4: 1,056,909 km (0.084 R)
• M5: 1,442,123 km (0.117 R)
• M6: 1,963,322 km (0.063 R)
• M7: 2,368,284 km (0.065 R)
• M8: 4,760,803 km (0.102 R)
• M9: 10,441,333 km (0.03 R)
• M10: 15,659,008 km (0.081 R)
• M11: 15,927,386 km (0.116 R)
• M12: 23,942,391 km (0.053 R)
• M13: 29,765,937 km (0.096 R)
• M14: 41,237,700 km (0.079 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: 319 - 19,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit