🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.9

Radius: 10.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.52 AU - 0.78 AU

Year: 368 Days

Day: 12.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,329,988 km

• M1: 133,142 km (0.088 R)
• M2: 476,768 km (0.083 R)
• M3: 840,142 km (0.112 R)
• M4: 1,209,499 km (0.071 R)
• M5: 1,656,796 km (0.105 R)
• M6: 2,375,465 km (0.034 R)
• M7: 2,844,454 km (0.083 R)
• M8: 3,311,349 km (0.028 R)
• M9: 4,041,386 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 13

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.88 AU - 0.88 AU

Year: 580 Days

Day: 9.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,329,988 km

• M1: 162,463 km (0.105 R)
• M2: 570,267 km (0.086 R)
• M3: 1,037,611 km (0.079 R)
• M4: 1,462,918 km (0.065 R)
• M5: 1,928,317 km (0.102 R)
• M6: 2,588,342 km (0.097 R)
• M7: 3,560,729 km (0.069 R)
• M8: 4,266,830 km (0.107 R)
• M9: 5,003,301 km (0.109 R)
• M10: 5,589,425 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.7

Radius: 12.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.24 AU - 1.34 AU

Year: 1030 Days

Day: 11.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,329,988 km

• M1: 155,432 km (0.055 R)
• M2: 561,890 km (0.115 R)
• M3: 1,033,272 km (0.068 R)
• M4: 1,936,245 km (0.11 R)
• M5: 2,762,175 km (0.096 R)
• M6: 3,962,399 km (0.108 R)
• M7: 5,369,068 km (0.065 R)
• M8: 6,145,032 km (0.08 R)
• M9: 6,658,751 km (0.068 R)
• M10: 7,994,660 km (0.034 R)
• M11: 8,819,243 km (0.116 R)
• M12: 9,252,329 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.5

Radius: 11.3

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.37 AU - 2.11 AU

Year: 1613 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,329,988 km

• M1: 140,472 km (0.1 R)
• M2: 495,618 km (0.079 R)
• M3: 886,517 km (0.115 R)
• M4: 1,351,617 km (0.09 R)
• M5: 1,945,221 km (0.111 R)
• M6: 2,450,264 km (0.059 R)
• M7: 2,820,069 km (0.101 R)
• M8: 3,622,363 km (0.065 R)
• M9: 4,218,660 km (0.106 R)
• M10: 5,700,726 km (0.077 R)
• M11: 7,143,747 km (0.048 R)
• M12: 7,848,203 km (0.095 R)
• M13: 8,262,590 km (0.114 R)
• M14: 8,879,980 km (0.093 R)
• M15: 9,297,657 km (0.082 R)
• M16: 10,207,212 km (0.088 R)
• M17: 10,737,537 km (0.082 R)
• M18: 11,969,026 km (0.115 R)
• M19: 12,679,467 km (0.082 R)
• M20: 13,712,290 km (0.083 R)
• M21: 14,314,871 km (0.061 R)
• M22: 14,800,465 km (0.076 R)
• M23: 15,251,503 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 9.4

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.98 AU - 2.7 AU

Year: 2516 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,329,988 km

• M1: 204,650 km (0.07 R)
• M2: 648,357 km (0.112 R)
• M3: 1,102,985 km (0.085 R)
• M4: 2,163,185 km (0.04 R)
• M5: 3,496,102 km (0.043 R)
• M6: 4,550,618 km (0.11 R)
• M7: 4,866,120 km (0.105 R)
• M8: 6,025,653 km (0.056 R)
• M9: 6,329,336 km (0.039 R)
• M10: 7,707,432 km (0.101 R)
• M11: 8,848,864 km (0.073 R)
• M12: 9,275,517 km (0.056 R)
• M13: 11,852,938 km (0.087 R)
• M14: 12,371,744 km (0.047 R)
• M15: 13,326,777 km (0.067 R)
• M16: 15,477,097 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.9

Radius: 7.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.39 AU - 9.65 AU

Year: 20647 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,329,988 km

• M1: 88,412 km (0.059 R)
• M2: 690,544 km (0.085 R)
• M3: 1,743,862 km (0.113 R)
• M4: 2,493,198 km (0.032 R)
• M5: 2,919,103 km (0.061 R)
• M6: 4,755,567 km (0.113 R)
• M7: 7,615,429 km (0.105 R)
• M8: 8,599,783 km (0.073 R)
• M9: 12,059,683 km (0.113 R)
• M10: 13,453,037 km (0.099 R)
• M11: 14,126,228 km (0.076 R)
• M12: 15,341,710 km (0.085 R)
• M13: 22,309,680 km (0.095 R)
• M14: 23,689,122 km (0.08 R)
• M15: 24,220,793 km (0.111 R)
• M16: 24,579,529 km (0.088 R)
• M17: 26,144,322 km (0.098 R)
• M18: 27,676,653 km (0.1 R)
• M19: 34,068,821 km (0.088 R)
• M20: 34,973,888 km (0.086 R)
• M21: 37,306,717 km (0.083 R)
• M22: 38,389,506 km (0.044 R)
• M23: 43,324,441 km (0.069 R)
• M24: 45,329,950 km (0.058 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: 464 - 18,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit