🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.6

Radius: 11

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.76 AU - 0.94 AU

Year: 506 Days

Day: 8.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,850,046 km

• M1: 136,732 km (0.111 R)
• M2: 486,193 km (0.101 R)
• M3: 847,173 km (0.085 R)
• M4: 1,202,468 km (0.081 R)
• M5: 1,745,658 km (0.102 R)
• M6: 2,413,612 km (0.111 R)
• M7: 3,050,749 km (0.086 R)
• M8: 3,447,633 km (0.104 R)
• M9: 3,843,618 km (0.097 R)
• M10: 4,475,370 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240

Radius: 12.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.23 AU - 2.37 AU

Year: 2252 Days

Day: 11.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,850,046 km

• M1: 160,369 km (0.109 R)
• M2: 576,550 km (0.115 R)
• M3: 1,128,566 km (0.076 R)
• M4: 1,631,066 km (0.096 R)
• M5: 2,248,606 km (0.101 R)
• M6: 2,881,405 km (0.115 R)
• M7: 3,662,305 km (0.118 R)
• M8: 4,077,440 km (0.065 R)
• M9: 4,769,330 km (0.104 R)
• M10: 5,474,684 km (0.099 R)
• M11: 7,323,564 km (0.057 R)
• M12: 7,851,345 km (0.044 R)
• M13: 8,806,976 km (0.12 R)
• M14: 11,747,023 km (0.057 R)
• M15: 12,397,924 km (0.087 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.4

Radius: 3.5

Gravity: 40.03 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.47 AU - 6.99 AU

Year: 11273 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,850,046 km

• M1: 45,627 km (0.108 R)
• M2: 190,887 km (0.037 R)
• M3: 309,668 km (0.064 R)
• M4: 504,743 km (0.085 R)
• M5: 653,443 km (0.069 R)
• M6: 794,963 km (0.084 R)
• M7: 1,175,241 km (0.118 R)
• M8: 1,607,130 km (0.092 R)
• M9: 1,787,994 km (0.108 R)
• M10: 2,226,615 km (0.076 R)
• M11: 2,549,746 km (0.071 R)
• M12: 2,691,565 km (0.062 R)
• M13: 3,218,299 km (0.116 R)
• M14: 3,732,766 km (0.098 R)
• M15: 3,889,395 km (0.051 R)
• M16: 4,501,400 km (0.1 R)
• M17: 4,649,053 km (0.099 R)
• M18: 6,019,519 km (0.025 R)
• M19: 7,763,681 km (0.101 R)
• M20: 11,102,406 km (0.095 R)
• M21: 11,757,046 km (0.091 R)
• M22: 12,379,373 km (0.1 R)
• M23: 12,845,670 km (0.072 R)
• M24: 13,874,903 km (0.115 R)
• M25: 14,957,992 km (0.108 R)
• M26: 27,448,217 km (0.116 R)
• M27: 27,644,639 km (0.071 R)
• M28: 28,741,940 km (0.045 R)
• M29: 34,096,646 km (0.084 R)
• M30: 34,323,735 km (0.117 R)
• M31: 37,972,727 km (0.039 R)
• M32: 38,338,942 km (0.084 R)
• M33: 39,327,186 km (0.111 R)
• M34: 39,576,865 km (0.091 R)
• M35: 40,079,364 km (0.056 R)
• M36: 43,449,954 km (0.035 R)
• M37: 44,659,452 km (0.039 R)
• M38: 44,795,138 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.9

Radius: 6.3

Gravity: 20.51 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.4 AU - 8.76 AU

Year: 12164 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,850,046 km

• M1: 78,389 km (0.054 R)
• M2: 362,176 km (0.117 R)
• M3: 710,440 km (0.04 R)
• M4: 1,373,907 km (0.099 R)
• M5: 2,025,106 km (0.05 R)
• M6: 3,693,123 km (0.097 R)
• M7: 4,358,534 km (0.115 R)
• M8: 4,607,764 km (0.082 R)
• M9: 4,866,568 km (0.113 R)
• M10: 5,307,732 km (0.087 R)
• M11: 7,652,081 km (0.068 R)
• M12: 7,877,824 km (0.069 R)
• M13: 8,974,675 km (0.058 R)
• M14: 9,901,285 km (0.035 R)
• M15: 11,585,158 km (0.071 R)
• M16: 12,370,846 km (0.081 R)
• M17: 14,661,938 km (0.06 R)
• M18: 15,943,842 km (0.1 R)
• M19: 16,387,250 km (0.095 R)
• M20: 19,640,405 km (0.077 R)
• M21: 24,256,397 km (0.115 R)
• M22: 25,841,237 km (0.082 R)
• M23: 26,762,461 km (0.096 R)
• M24: 27,074,372 km (0.089 R)
• M25: 28,024,618 km (0.115 R)
• M26: 30,440,773 km (0.081 R)
• M27: 31,237,681 km (0.115 R)
• M28: 32,873,234 km (0.082 R)
• M29: 34,811,425 km (0.062 R)
• M30: 35,432,256 km (0.107 R)
• M31: 40,805,662 km (0.114 R)
• M32: 44,625,793 km (0.068 R)
• M33: 50,238,705 km (0.118 R)
• M34: 56,134,207 km (0.119 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: 155 - 13,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit