🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39

Radius: 9.1

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.99 AU - 1.02 AU

Year: 636 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,377,475 km

• M1: 113,246 km (0.119 R)
• M2: 419,772 km (0.11 R)
• M3: 914,193 km (0.111 R)
• M4: 1,687,614 km (0.087 R)
• M5: 2,370,378 km (0.056 R)
• M6: 2,812,290 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 10.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.96 AU - 1.3 AU

Year: 764 Days

Day: 14.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,377,475 km

• M1: 135,685 km (0.12 R)
• M2: 503,098 km (0.072 R)
• M3: 935,286 km (0.113 R)
• M4: 1,276,219 km (0.03 R)
• M5: 1,836,763 km (0.115 R)
• M6: 2,196,994 km (0.111 R)
• M7: 2,911,474 km (0.095 R)
• M8: 3,636,126 km (0.12 R)
• M9: 4,405,956 km (0.063 R)
• M10: 5,297,111 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 14.6

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.94 AU - 2.28 AU

Year: 1949 Days

Day: 11.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 63,377,475 km

• M1: 226,491 km (0.074 R)
• M2: 1,568,384 km (0.094 R)
• M3: 3,561,626 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.8

Radius: 7.9

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.41 AU - 8.27 AU

Year: 12644 Days

Day: 18 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,377,475 km

• M1: 98,435 km (0.102 R)
• M2: 471,532 km (0.1 R)
• M3: 1,447,958 km (0.045 R)
• M4: 1,934,151 km (0.11 R)
• M5: 2,652,520 km (0.095 R)
• M6: 4,895,590 km (0.077 R)
• M7: 9,289,579 km (0.094 R)
• M8: 11,764,377 km (0.102 R)
• M9: 12,185,195 km (0.106 R)
• M10: 12,803,932 km (0.118 R)
• M11: 15,205,427 km (0.091 R)
• M12: 28,033,743 km (0.1 R)
• M13: 29,220,054 km (0.105 R)
• M14: 30,777,967 km (0.118 R)
• M15: 31,232,894 km (0.075 R)
• M16: 49,357,723 km (0.083 R)
• M17: 53,504,875 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.5

Radius: 5.2

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.12 AU - 8.38 AU

Year: 13718 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 89.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,377,475 km

• M1: 68,665 km (0.091 R)
• M2: 463,753 km (0.116 R)
• M3: 799,900 km (0.048 R)
• M4: 1,424,471 km (0.089 R)
• M5: 1,716,935 km (0.114 R)
• M6: 2,168,272 km (0.097 R)
• M7: 2,403,140 km (0.116 R)
• M8: 3,120,911 km (0.075 R)
• M9: 4,325,024 km (0.073 R)
• M10: 5,030,378 km (0.109 R)
• M11: 5,708,206 km (0.078 R)
• M12: 6,121,844 km (0.104 R)
• M13: 6,335,919 km (0.09 R)
• M14: 6,931,617 km (0.097 R)
• M15: 9,079,843 km (0.087 R)
• M16: 9,739,270 km (0.057 R)
• M17: 10,531,391 km (0.119 R)
• M18: 11,152,970 km (0.092 R)
• M19: 11,365,549 km (0.075 R)
• M20: 11,963,940 km (0.106 R)
• M21: 12,813,656 km (0.067 R)
• M22: 16,138,169 km (0.102 R)
• M23: 16,547,469 km (0.051 R)
• M24: 18,327,235 km (0.066 R)
• M25: 18,697,939 km (0.117 R)
• M26: 22,178,483 km (0.073 R)
• M27: 22,769,245 km (0.114 R)
• M28: 23,457,245 km (0.107 R)
• M29: 24,784,328 km (0.057 R)
• M30: 27,587,343 km (0.119 R)
• M31: 28,467,727 km (0.093 R)
• M32: 30,594,560 km (0.106 R)
• M33: 33,043,028 km (0.11 R)
• M34: 33,702,455 km (0.118 R)
• M35: 35,161,633 km (0.098 R)
• M36: 40,162,690 km (0.099 R)
• M37: 42,702,563 km (0.114 R)
• M38: 42,962,264 km (0.073 R)
• M39: 43,484,810 km (0.076 R)
• M40: 44,011,694 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.3

Radius: 3

Gravity: 30.81 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 9.07 AU - 13.37 AU

Year: 23896 Days

Day: 19.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,377,475 km

• M1: 37,848 km (0.09 R)
• M2: 167,101 km (0.117 R)
• M3: 348,563 km (0.109 R)
• M4: 551,717 km (0.085 R)
• M5: 934,987 km (0.072 R)
• M6: 1,383,481 km (0.054 R)
• M7: 1,979,629 km (0.101 R)
• M8: 2,231,851 km (0.109 R)
• M9: 2,593,279 km (0.084 R)
• M10: 3,193,915 km (0.096 R)
• M11: 3,765,827 km (0.076 R)
• M12: 4,402,815 km (0.046 R)
• M13: 4,729,985 km (0.09 R)
• M14: 5,073,313 km (0.118 R)
• M15: 5,251,035 km (0.072 R)
• M16: 6,825,552 km (0.071 R)
• M17: 7,766,373 km (0.112 R)
• M18: 9,255,321 km (0.114 R)
• M19: 9,682,273 km (0.08 R)
• M20: 11,220,588 km (0.107 R)
• M21: 11,400,854 km (0.12 R)
• M22: 13,379,585 km (0.073 R)
• M23: 20,307,013 km (0.119 R)
• M24: 21,117,684 km (0.116 R)
• M25: 22,137,493 km (0.073 R)
• M26: 24,880,819 km (0.056 R)
• M27: 29,521,195 km (0.107 R)
• M28: 38,389,506 km (0.107 R)
• M29: 44,690,120 km (0.114 R)
• M30: 46,675,583 km (0.092 R)
• M31: 50,005,631 km (0.095 R)
• M32: 56,956,846 km (0.074 R)
• M33: 58,384,159 km (0.1 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: 369 - 18,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit