🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.8

Radius: 13.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.57 AU - 0.89 AU

Year: 438 Days

Day: 10.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 76,144,592 km

• M1: 164,258 km (0.068 R)
• M2: 633,248 km (0.062 R)
• M3: 2,519,827 km (0.115 R)
• M4: 2,944,834 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.9

Radius: 8

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.31 AU - 1.57 AU

Year: 1215 Days

Day: 13.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,144,592 km

• M1: 99,632 km (0.092 R)
• M2: 369,357 km (0.097 R)
• M3: 688,001 km (0.111 R)
• M4: 1,124,228 km (0.052 R)
• M5: 1,505,104 km (0.047 R)
• M6: 1,817,764 km (0.084 R)
• M7: 2,173,657 km (0.078 R)
• M8: 2,635,017 km (0.12 R)
• M9: 2,999,737 km (0.042 R)
• M10: 3,340,969 km (0.076 R)
• M11: 4,134,137 km (0.112 R)
• M12: 4,487,936 km (0.104 R)
• M13: 5,511,335 km (0.116 R)
• M14: 6,003,512 km (0.046 R)
• M15: 6,413,859 km (0.088 R)
• M16: 6,935,357 km (0.109 R)
• M17: 8,616,538 km (0.107 R)
• M18: 9,365,275 km (0.113 R)
• M19: 10,066,441 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.6

Radius: 12.4

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.22 AU - 1.96 AU

Year: 1409 Days

Day: 6.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 168.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,144,592 km

• M1: 154,235 km (0.119 R)
• M2: 630,854 km (0.043 R)
• M3: 1,111,213 km (0.118 R)
• M4: 1,496,876 km (0.112 R)
• M5: 1,953,150 km (0.074 R)
• M6: 2,489,608 km (0.107 R)
• M7: 2,962,636 km (0.113 R)
• M8: 3,415,619 km (0.053 R)
• M9: 4,255,910 km (0.049 R)
• M10: 4,815,406 km (0.066 R)
• M11: 5,489,494 km (0.09 R)
• M12: 7,157,211 km (0.083 R)
• M13: 7,670,780 km (0.101 R)
• M14: 8,093,544 km (0.08 R)
• M15: 8,502,096 km (0.101 R)
• M16: 9,078,646 km (0.119 R)
• M17: 9,844,138 km (0.094 R)
• M18: 10,514,486 km (0.096 R)
• M19: 11,072,486 km (0.094 R)
• M20: 12,592,999 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.7

Radius: 13.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.02 AU - 3.26 AU

Year: 3911 Days

Day: 14.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,144,592 km

• M1: 171,589 km (0.041 R)
• M2: 622,776 km (0.101 R)
• M3: 1,671,906 km (0.057 R)
• M4: 2,107,385 km (0.113 R)
• M5: 2,923,741 km (0.103 R)
• M6: 3,623,709 km (0.109 R)
• M7: 4,087,463 km (0.042 R)
• M8: 4,636,636 km (0.093 R)
• M9: 5,235,028 km (0.092 R)
• M10: 7,960,252 km (0.064 R)
• M11: 10,207,960 km (0.099 R)
• M12: 10,850,932 km (0.069 R)
• M13: 13,506,145 km (0.117 R)
• M14: 15,035,783 km (0.118 R)
• M15: 17,856,750 km (0.061 R)
• M16: 18,437,190 km (0.081 R)
• M17: 19,820,072 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802

Radius: 13

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.71 AU - 4.39 AU

Year: 5729 Days

Day: 13.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,144,592 km

• M1: 162,014 km (0.109 R)
• M2: 690,693 km (0.061 R)
• M3: 1,442,572 km (0.063 R)
• M4: 2,172,161 km (0.068 R)
• M5: 3,879,222 km (0.071 R)
• M6: 4,497,510 km (0.041 R)
• M7: 4,982,955 km (0.088 R)
• M8: 5,715,237 km (0.076 R)
• M9: 6,285,953 km (0.089 R)
• M10: 8,073,797 km (0.114 R)
• M11: 8,670,992 km (0.088 R)
• M12: 10,088,880 km (0.101 R)
• M13: 12,213,021 km (0.054 R)
• M14: 13,216,822 km (0.088 R)
• M15: 15,089,937 km (0.077 R)
• M16: 15,630,135 km (0.092 R)
• M17: 20,720,951 km (0.042 R)
• M18: 21,842,037 km (0.082 R)
• M19: 24,286,766 km (0.112 R)
• M20: 25,029,519 km (0.057 R)
• M21: 25,702,410 km (0.114 R)
• M22: 29,064,323 km (0.077 R)
• M23: 30,563,892 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.5

Radius: 8.7

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.15 AU - 5.33 AU

Year: 7254 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,144,592 km

• M1: 109,655 km (0.111 R)
• M2: 575,353 km (0.071 R)
• M3: 930,200 km (0.067 R)
• M4: 1,355,955 km (0.108 R)
• M5: 1,628,971 km (0.053 R)
• M6: 2,218,985 km (0.089 R)
• M7: 3,051,348 km (0.072 R)
• M8: 3,770,614 km (0.118 R)
• M9: 4,772,022 km (0.106 R)
• M10: 6,907,382 km (0.104 R)
• M11: 7,408,386 km (0.104 R)
• M12: 8,923,214 km (0.064 R)
• M13: 9,611,514 km (0.054 R)
• M14: 11,250,209 km (0.062 R)
• M15: 12,273,907 km (0.091 R)
• M16: 13,124,969 km (0.089 R)
• M17: 16,247,077 km (0.031 R)
• M18: 17,064,180 km (0.096 R)
• M19: 17,412,594 km (0.112 R)
• M20: 19,002,221 km (0.113 R)
• M21: 19,301,267 km (0.12 R)
• M22: 19,832,339 km (0.083 R)
• M23: 20,217,554 km (0.11 R)
• M24: 23,653,368 km (0.052 R)
• M25: 24,969,231 km (0.111 R)
• M26: 26,798,813 km (0.057 R)
• M27: 27,364,592 km (0.111 R)
• M28: 30,212,636 km (0.101 R)
• M29: 31,238,728 km (0.089 R)
• M30: 34,125,369 km (0.053 R)
• M31: 34,567,730 km (0.083 R)
• M32: 39,932,010 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.2

Radius: 3.9

Gravity: 62.54 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.58 AU - 9.14 AU

Year: 16991 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,144,592 km

• M1: 83,176 km (0.102 R)
• M2: 300,243 km (0.114 R)
• M3: 753,225 km (0.106 R)
• M4: 903,721 km (0.093 R)
• M5: 1,386,024 km (0.103 R)
• M6: 4,424,955 km (0.094 R)
• M7: 5,448,055 km (0.113 R)
• M8: 6,226,263 km (0.086 R)
• M9: 6,355,516 km (0.057 R)
• M10: 7,848,652 km (0.092 R)
• M11: 9,617,647 km (0.069 R)
• M12: 10,997,089 km (0.093 R)
• M13: 14,972,652 km (0.112 R)
• M14: 15,283,068 km (0.108 R)
• M15: 16,239,896 km (0.106 R)
• M16: 25,704,505 km (0.117 R)
• M17: 28,097,622 km (0.091 R)
• M18: 33,321,131 km (0.043 R)
• M19: 36,299,175 km (0.092 R)
• M20: 43,559,310 km (0.087 R)
• M21: 44,350,383 km (0.1 R)
• M22: 50,158,072 km (0.067 R)
• M23: 51,377,294 km (0.064 R)
• M24: 54,238,204 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 12,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit