🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 9.3

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.68 AU - 0.84 AU

Year: 457 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,595,690 km

• M1: 119,828 km (0.037 R)
• M2: 411,544 km (0.103 R)
• M3: 890,855 km (0.095 R)
• M4: 1,180,776 km (0.08 R)
• M5: 1,636,451 km (0.112 R)
• M6: 2,427,225 km (0.117 R)
• M7: 2,721,784 km (0.085 R)
• M8: 4,176,174 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.5

Radius: 10.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.55 AU - 2.31 AU

Year: 1851 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,595,690 km

• M1: 133,142 km (0.081 R)
• M2: 470,336 km (0.1 R)
• M3: 844,181 km (0.042 R)
• M4: 1,282,503 km (0.112 R)
• M5: 2,005,359 km (0.087 R)
• M6: 2,533,141 km (0.066 R)
• M7: 3,269,312 km (0.09 R)
• M8: 4,055,449 km (0.102 R)
• M9: 4,748,236 km (0.065 R)
• M10: 5,266,443 km (0.119 R)
• M11: 5,978,380 km (0.082 R)
• M12: 6,345,942 km (0.066 R)
• M13: 7,566,959 km (0.116 R)
• M14: 8,559,392 km (0.082 R)
• M15: 9,481,663 km (0.074 R)
• M16: 10,111,021 km (0.041 R)
• M17: 11,038,677 km (0.082 R)
• M18: 11,523,225 km (0.103 R)
• M19: 12,423,954 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.1

Radius: 8.5

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.83 AU - 2.77 AU

Year: 2408 Days

Day: 5 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,595,690 km

• M1: 105,766 km (0.076 R)
• M2: 385,065 km (0.103 R)
• M3: 768,035 km (0.066 R)
• M4: 1,208,601 km (0.092 R)
• M5: 1,661,733 km (0.087 R)
• M6: 2,250,251 km (0.066 R)
• M7: 2,939,897 km (0.112 R)
• M8: 3,342,764 km (0.104 R)
• M9: 4,121,721 km (0.108 R)
• M10: 4,481,803 km (0.118 R)
• M11: 4,754,669 km (0.114 R)
• M12: 5,288,135 km (0.11 R)
• M13: 5,593,315 km (0.088 R)
• M14: 7,186,233 km (0.111 R)
• M15: 7,858,675 km (0.026 R)
• M16: 8,225,938 km (0.072 R)
• M17: 8,928,899 km (0.074 R)
• M18: 12,065,218 km (0.118 R)
• M19: 15,820,274 km (0.106 R)
• M20: 16,505,582 km (0.085 R)
• M21: 16,905,906 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.1

Radius: 13.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.48 AU - 4.1 AU

Year: 4119 Days

Day: 7.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,595,690 km

• M1: 170,392 km (0.117 R)
• M2: 593,006 km (0.083 R)
• M3: 2,043,657 km (0.106 R)
• M4: 2,545,857 km (0.104 R)
• M5: 3,429,830 km (0.105 R)
• M6: 4,205,346 km (0.081 R)
• M7: 4,720,561 km (0.1 R)
• M8: 6,261,269 km (0.046 R)
• M9: 7,104,702 km (0.03 R)
• M10: 7,539,284 km (0.099 R)
• M11: 8,053,452 km (0.061 R)
• M12: 8,852,005 km (0.116 R)
• M13: 15,221,583 km (0.08 R)
• M14: 16,543,430 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836

Radius: 13.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.16 AU - 4.86 AU

Year: 6611 Days

Day: 8 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,595,690 km

• M1: 170,392 km (0.094 R)
• M2: 984,055 km (0.114 R)
• M3: 1,450,501 km (0.102 R)
• M4: 2,379,055 km (0.077 R)
• M5: 4,921,770 km (0.112 R)
• M6: 9,129,210 km (0.091 R)
• M7: 11,196,653 km (0.118 R)
• M8: 11,655,170 km (0.104 R)
• M9: 15,663,944 km (0.112 R)
• M10: 16,695,122 km (0.029 R)
• M11: 17,839,696 km (0.108 R)
• M12: 18,537,121 km (0.086 R)
• M13: 21,588,319 km (0.087 R)
• M14: 30,210,093 km (0.037 R)
• M15: 31,101,248 km (0.116 R)
• M16: 33,144,455 km (0.109 R)
• M17: 38,296,008 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.7

Radius: 3.3

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.21 AU - 6.05 AU

Year: 9221 Days

Day: 16.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,595,690 km

• M1: 40,990 km (0.12 R)
• M2: 187,745 km (0.113 R)
• M3: 458,817 km (0.103 R)
• M4: 611,107 km (0.112 R)
• M5: 718,070 km (0.094 R)
• M6: 1,508,395 km (0.107 R)
• M7: 1,996,683 km (0.057 R)
• M8: 2,153,761 km (0.115 R)
• M9: 2,507,560 km (0.065 R)
• M10: 2,898,908 km (0.119 R)
• M11: 3,550,705 km (0.113 R)
• M12: 3,722,893 km (0.075 R)
• M13: 4,556,901 km (0.105 R)
• M14: 6,003,213 km (0.083 R)
• M15: 6,641,397 km (0.096 R)
• M16: 9,612,411 km (0.087 R)
• M17: 10,136,453 km (0.099 R)
• M18: 12,865,417 km (0.071 R)
• M19: 17,267,484 km (0.097 R)
• M20: 18,893,762 km (0.085 R)
• M21: 19,477,344 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468

Radius: 8

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.91 AU - 9.15 AU

Year: 17196 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,595,690 km

• M1: 99,483 km (0.028 R)
• M2: 1,574,966 km (0.115 R)
• M3: 2,353,623 km (0.078 R)
• M4: 2,605,397 km (0.119 R)
• M5: 3,445,239 km (0.099 R)
• M6: 4,645,911 km (0.066 R)
• M7: 6,380,349 km (0.113 R)
• M8: 6,873,873 km (0.113 R)
• M9: 9,208,347 km (0.101 R)
• M10: 9,467,600 km (0.069 R)
• M11: 10,837,767 km (0.097 R)
• M12: 13,101,482 km (0.061 R)
• M13: 17,730,190 km (0.072 R)
• M14: 20,233,411 km (0.11 R)
• M15: 21,660,425 km (0.036 R)
• M16: 24,913,431 km (0.069 R)
• M17: 29,252,068 km (0.096 R)
• M18: 36,859,719 km (0.111 R)
• M19: 45,387,695 km (0.104 R)
• M20: 47,207,104 km (0.088 R)
• M21: 49,707,932 km (0.116 R)
• M22: 50,026,575 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 13,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit