🌌 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: 356.3

Radius: 13.7

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.62 AU - 0.9 AU

Year: 442 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,418,148 km

• M1: 170,392 km (0.096 R)
• M2: 605,273 km (0.108 R)
• M3: 1,120,039 km (0.116 R)
• M4: 1,586,934 km (0.107 R)
• M5: 2,053,530 km (0.04 R)
• M6: 2,585,650 km (0.114 R)
• M7: 3,064,961 km (0.069 R)
• M8: 3,860,523 km (0.097 R)
• M9: 4,333,701 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.8

Radius: 14

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.03 AU - 1.49 AU

Year: 943 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,418,148 km

• M1: 175,478 km (0.065 R)
• M2: 703,409 km (0.054 R)
• M3: 1,827,787 km (0.097 R)
• M4: 2,335,522 km (0.111 R)
• M5: 4,341,779 km (0.108 R)
• M6: 4,946,154 km (0.077 R)
• M7: 5,645,824 km (0.105 R)
• M8: 6,197,391 km (0.107 R)
• M9: 6,762,273 km (0.075 R)
• M10: 7,409,134 km (0.076 R)
• M11: 7,946,041 km (0.066 R)
• M12: 8,720,209 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.2

Radius: 11.7

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.3 AU - 1.51 AU

Year: 1105 Days

Day: 5.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,418,148 km

• M1: 145,559 km (0.078 R)
• M2: 689,646 km (0.09 R)
• M3: 1,211,892 km (0.111 R)
• M4: 1,901,389 km (0.118 R)
• M5: 2,581,461 km (0.096 R)
• M6: 3,168,034 km (0.081 R)
• M7: 3,555,343 km (0.117 R)
• M8: 4,144,459 km (0.102 R)
• M9: 5,249,988 km (0.11 R)
• M10: 5,709,403 km (0.074 R)
• M11: 6,402,190 km (0.057 R)
• M12: 7,768,767 km (0.094 R)
• M13: 9,934,047 km (0.117 R)
• M14: 11,480,440 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 8.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.25 AU - 2.57 AU

Year: 2495 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,418,148 km

• M1: 109,954 km (0.096 R)
• M2: 440,267 km (0.091 R)
• M3: 749,635 km (0.099 R)
• M4: 1,531,733 km (0.069 R)
• M5: 1,835,865 km (0.064 R)
• M6: 3,077,976 km (0.089 R)
• M7: 3,867,404 km (0.088 R)
• M8: 4,976,822 km (0.086 R)
• M9: 6,012,039 km (0.117 R)
• M10: 6,593,676 km (0.09 R)
• M11: 10,288,893 km (0.09 R)
• M12: 11,458,299 km (0.095 R)
• M13: 13,671,600 km (0.069 R)
• M14: 14,146,124 km (0.092 R)
• M15: 14,453,847 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.6

Radius: 6.4

Gravity: 17.52 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.18 AU - 7.12 AU

Year: 10170 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,418,148 km

• M1: 79,586 km (0.098 R)
• M2: 296,353 km (0.094 R)
• M3: 509,231 km (0.076 R)
• M4: 1,057,807 km (0.118 R)
• M5: 1,894,657 km (0.088 R)
• M6: 2,297,375 km (0.089 R)
• M7: 3,063,166 km (0.067 R)
• M8: 3,747,427 km (0.117 R)
• M9: 5,481,715 km (0.09 R)
• M10: 5,791,981 km (0.048 R)
• M11: 7,233,057 km (0.108 R)
• M12: 10,021,561 km (0.077 R)
• M13: 10,329,583 km (0.11 R)
• M14: 12,370,398 km (0.085 R)
• M15: 13,766,146 km (0.105 R)
• M16: 14,600,004 km (0.041 R)
• M17: 15,603,357 km (0.08 R)
• M18: 16,087,007 km (0.075 R)
• M19: 16,367,802 km (0.081 R)
• M20: 18,349,824 km (0.055 R)
• M21: 20,404,402 km (0.056 R)
• M22: 20,733,517 km (0.091 R)
• M23: 21,317,996 km (0.112 R)
• M24: 21,656,835 km (0.093 R)
• M25: 23,137,405 km (0.069 R)
• M26: 23,675,808 km (0.074 R)
• M27: 25,246,286 km (0.093 R)
• M28: 25,816,853 km (0.079 R)
• M29: 26,105,277 km (0.063 R)
• M30: 26,983,566 km (0.034 R)
• M31: 28,696,013 km (0.081 R)
• M32: 30,159,679 km (0.051 R)
• M33: 31,782,367 km (0.117 R)
• M34: 35,200,678 km (0.07 R)
• M35: 40,129,030 km (0.037 R)
• M36: 43,431,852 km (0.113 R)
• M37: 45,498,098 km (0.079 R)
• M38: 49,233,258 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.5

Radius: 3.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.33 AU - 9.83 AU

Year: 15316 Days

Day: 17 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,418,148 km

• M1: 102,923 km (0.101 R)
• M2: 459,116 km (0.1 R)
• M3: 810,072 km (0.109 R)
• M4: 2,341,506 km (0.106 R)
• M5: 3,119,415 km (0.081 R)
• M6: 8,159,816 km (0.093 R)
• M7: 9,520,408 km (0.068 R)
• M8: 11,574,387 km (0.056 R)
• M9: 14,899,050 km (0.098 R)
• M10: 16,640,370 km (0.107 R)
• M11: 21,871,358 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.6

Radius: 6.6

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.29 AU - 13.43 AU

Year: 23866 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,418,148 km

• M1: 82,129 km (0.103 R)
• M2: 311,313 km (0.071 R)
• M3: 658,231 km (0.09 R)
• M4: 1,321,697 km (0.115 R)
• M5: 1,876,256 km (0.059 R)
• M6: 3,899,867 km (0.087 R)
• M7: 4,510,675 km (0.104 R)
• M8: 8,829,266 km (0.067 R)
• M9: 11,269,357 km (0.096 R)
• M10: 12,150,339 km (0.086 R)
• M11: 18,422,679 km (0.078 R)
• M12: 20,223,837 km (0.11 R)
• M13: 20,617,579 km (0.032 R)
• M14: 25,518,854 km (0.075 R)
• M15: 34,802,748 km (0.093 R)
• M16: 51,569,677 km (0.092 R)
• M17: 56,859,458 km (0.089 R)
• M18: 85,418,140 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 16,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit