🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.5

Radius: 9.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.68 AU - 0.96 AU

Year: 495 Days

Day: 13.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,625,939 km

• M1: 137,780 km (0.047 R)
• M2: 582,983 km (0.092 R)
• M3: 1,213,239 km (0.061 R)
• M4: 1,971,401 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.2

Radius: 14.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.76 AU - 0.94 AU

Year: 523 Days

Day: 8.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,625,939 km

• M1: 175,329 km (0.098 R)
• M2: 617,241 km (0.102 R)
• M3: 1,111,811 km (0.111 R)
• M4: 1,630,168 km (0.109 R)
• M5: 2,559,919 km (0.052 R)
• M6: 3,893,434 km (0.116 R)
• M7: 4,424,507 km (0.101 R)
• M8: 5,003,750 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.2

Radius: 14.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.41 AU - 3.95 AU

Year: 4708 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,625,939 km

• M1: 180,415 km (0.062 R)
• M2: 723,156 km (0.07 R)
• M3: 1,584,391 km (0.083 R)
• M4: 2,665,834 km (0.107 R)
• M5: 4,866,718 km (0.07 R)
• M6: 6,055,722 km (0.108 R)
• M7: 7,102,458 km (0.03 R)
• M8: 7,797,789 km (0.067 R)
• M9: 9,423,020 km (0.083 R)
• M10: 12,407,348 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.8

Radius: 8.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.6 AU - 4.92 AU

Year: 5863 Days

Day: 5.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,625,939 km

• M1: 101,278 km (0.07 R)
• M2: 374,743 km (0.117 R)
• M3: 1,532,032 km (0.028 R)
• M4: 2,461,783 km (0.101 R)
• M5: 4,050,213 km (0.113 R)
• M6: 4,780,250 km (0.063 R)
• M7: 8,051,507 km (0.041 R)
• M8: 8,744,145 km (0.103 R)
• M9: 11,824,066 km (0.072 R)
• M10: 12,574,150 km (0.069 R)
• M11: 13,707,354 km (0.065 R)
• M12: 15,286,060 km (0.075 R)
• M13: 15,726,626 km (0.113 R)
• M14: 17,997,372 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 9.2

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.34 AU - 6.44 AU

Year: 8345 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,625,939 km

• M1: 114,742 km (0.073 R)
• M2: 744,399 km (0.089 R)
• M3: 3,546,367 km (0.096 R)
• M4: 4,064,275 km (0.048 R)
• M5: 4,781,597 km (0.118 R)
• M6: 6,101,798 km (0.116 R)
• M7: 6,392,766 km (0.08 R)
• M8: 7,280,928 km (0.086 R)
• M9: 8,515,560 km (0.031 R)
• M10: 8,972,132 km (0.079 R)
• M11: 11,892,732 km (0.06 R)
• M12: 12,290,363 km (0.077 R)
• M13: 14,670,465 km (0.052 R)
• M14: 16,698,713 km (0.102 R)
• M15: 19,606,147 km (0.112 R)
• M16: 23,097,014 km (0.11 R)
• M17: 27,372,820 km (0.046 R)
• M18: 28,166,736 km (0.058 R)
• M19: 33,032,257 km (0.09 R)
• M20: 40,437,651 km (0.112 R)
• M21: 45,483,587 km (0.117 R)
• M22: 47,160,430 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.1

Radius: 6.8

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.46 AU - 12.06 AU

Year: 23537 Days

Day: 22.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,625,939 km

• M1: 84,672 km (0.118 R)
• M2: 354,697 km (0.101 R)
• M3: 614,249 km (0.091 R)
• M4: 967,150 km (0.08 R)
• M5: 1,191,098 km (0.109 R)
• M6: 2,062,805 km (0.059 R)
• M7: 2,395,361 km (0.027 R)
• M8: 2,644,442 km (0.115 R)
• M9: 3,849,153 km (0.103 R)
• M10: 4,420,767 km (0.118 R)
• M11: 4,975,176 km (0.114 R)
• M12: 5,269,286 km (0.087 R)
• M13: 5,613,959 km (0.115 R)
• M14: 7,191,618 km (0.04 R)
• M15: 7,712,518 km (0.115 R)
• M16: 8,671,291 km (0.118 R)
• M17: 9,992,988 km (0.052 R)
• M18: 11,507,218 km (0.108 R)
• M19: 12,087,957 km (0.089 R)
• M20: 12,755,911 km (0.062 R)
• M21: 15,211,411 km (0.085 R)
• M22: 15,442,240 km (0.1 R)
• M23: 20,006,172 km (0.117 R)
• M24: 20,376,277 km (0.025 R)
• M25: 21,707,549 km (0.096 R)
• M26: 22,493,685 km (0.064 R)
• M27: 24,331,944 km (0.095 R)
• M28: 26,047,981 km (0.077 R)
• M29: 32,561,173 km (0.106 R)
• M30: 32,944,742 km (0.095 R)
• M31: 33,331,303 km (0.072 R)
• M32: 39,210,051 km (0.03 R)
• M33: 43,697,239 km (0.063 R)
• M34: 45,107,348 km (0.097 R)
• M35: 51,569,528 km (0.107 R)
• M36: 57,311,692 km (0.05 R)
• M37: 57,684,041 km (0.114 R)
• M38: 65,678,701 km (0.114 R)
• M39: 68,778,818 km (0.115 R)
• M40: 70,684,844 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 14,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit