🌌 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: 464.5

Radius: 12.8

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.79 AU - 0.85 AU

Year: 487 Days

Day: 7.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 97.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,402,259 km

• M1: 160,070 km (0.117 R)
• M2: 656,435 km (0.088 R)
• M3: 1,218,475 km (0.087 R)
• M4: 1,685,818 km (0.101 R)
• M5: 3,027,412 km (0.067 R)
• M6: 3,790,361 km (0.083 R)
• M7: 5,343,187 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 13.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.84 AU - 4.3 AU

Year: 5386 Days

Day: 8 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,402,259 km

• M1: 165,455 km (0.114 R)
• M2: 613,950 km (0.049 R)
• M3: 1,047,933 km (0.094 R)
• M4: 1,562,999 km (0.085 R)
• M5: 2,373,819 km (0.107 R)
• M6: 3,183,742 km (0.08 R)
• M7: 3,843,618 km (0.115 R)
• M8: 4,440,962 km (0.05 R)
• M9: 5,409,758 km (0.049 R)
• M10: 6,006,355 km (0.087 R)
• M11: 6,779,925 km (0.12 R)
• M12: 11,298,080 km (0.115 R)
• M13: 12,784,933 km (0.026 R)
• M14: 15,903,899 km (0.054 R)
• M15: 17,639,683 km (0.1 R)
• M16: 21,265,786 km (0.108 R)
• M17: 23,369,282 km (0.098 R)
• M18: 24,074,037 km (0.062 R)
• M19: 26,694,992 km (0.056 R)
• M20: 27,725,123 km (0.107 R)
• M21: 28,870,893 km (0.108 R)
• M22: 30,508,990 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.3

Radius: 9.4

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.22 AU - 4.82 AU

Year: 6304 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,402,259 km

• M1: 116,836 km (0.105 R)
• M2: 411,693 km (0.11 R)
• M3: 711,637 km (0.102 R)
• M4: 1,176,438 km (0.112 R)
• M5: 1,588,430 km (0.087 R)
• M6: 1,942,379 km (0.105 R)
• M7: 2,348,836 km (0.078 R)
• M8: 2,900,404 km (0.092 R)
• M9: 3,197,654 km (0.11 R)
• M10: 3,746,230 km (0.089 R)
• M11: 4,285,231 km (0.049 R)
• M12: 5,189,999 km (0.104 R)
• M13: 5,630,864 km (0.109 R)
• M14: 8,368,804 km (0.096 R)
• M15: 12,173,826 km (0.042 R)
• M16: 12,608,408 km (0.068 R)
• M17: 14,185,020 km (0.077 R)
• M18: 17,725,403 km (0.057 R)
• M19: 19,241,129 km (0.114 R)
• M20: 24,533,303 km (0.077 R)
• M21: 25,539,797 km (0.048 R)
• M22: 26,172,746 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.6

Radius: 6.1

Gravity: 20.06 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.41 AU - 6.65 AU

Year: 9714 Days

Day: 18.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 40,402,259 km

• M1: 75,846 km (0.051 R)
• M2: 376,837 km (0.079 R)
• M3: 590,164 km (0.083 R)
• M4: 848,968 km (0.063 R)
• M5: 1,102,536 km (0.112 R)
• M6: 1,749,547 km (0.045 R)
• M7: 1,991,297 km (0.05 R)
• M8: 2,292,288 km (0.117 R)
• M9: 2,542,565 km (0.031 R)
• M10: 2,747,514 km (0.053 R)
• M11: 3,030,404 km (0.026 R)
• M12: 4,024,781 km (0.081 R)
• M13: 5,451,646 km (0.119 R)
• M14: 7,473,162 km (0.105 R)
• M15: 8,112,842 km (0.098 R)
• M16: 9,211,638 km (0.101 R)
• M17: 10,149,168 km (0.112 R)
• M18: 11,422,396 km (0.063 R)
• M19: 14,217,931 km (0.084 R)
• M20: 17,219,762 km (0.043 R)
• M21: 19,571,740 km (0.041 R)
• M22: 22,388,219 km (0.085 R)
• M23: 23,088,187 km (0.119 R)
• M24: 25,653,043 km (0.039 R)
• M25: 26,034,368 km (0.069 R)
• M26: 27,597,366 km (0.1 R)
• M27: 30,057,503 km (0.082 R)
• M28: 31,016,575 km (0.1 R)
• M29: 31,995,843 km (0.12 R)
• M30: 33,333,398 km (0.1 R)
• M31: 33,901,570 km (0.092 R)
• M32: 35,644,834 km (0.066 R)
• M33: 36,478,394 km (0.039 R)
• M34: 40,584,107 km (0.109 R)
• M35: 42,018,302 km (0.063 R)
• M36: 42,814,611 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.6

Radius: 5.3

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.09 AU - 7.83 AU

Year: 13366 Days

Day: 18.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,402,259 km

• M1: 66,421 km (0.091 R)
• M2: 325,525 km (0.109 R)
• M3: 495,468 km (0.094 R)
• M4: 842,386 km (0.119 R)
• M5: 1,122,582 km (0.075 R)
• M6: 2,385,787 km (0.077 R)
• M7: 2,570,690 km (0.105 R)
• M8: 4,582,781 km (0.118 R)
• M9: 4,987,892 km (0.067 R)
• M10: 5,385,224 km (0.049 R)
• M11: 5,969,703 km (0.08 R)
• M12: 7,418,558 km (0.11 R)
• M13: 7,734,210 km (0.091 R)
• M14: 8,350,104 km (0.105 R)
• M15: 8,519,748 km (0.114 R)
• M16: 11,821,373 km (0.103 R)
• M17: 17,633,251 km (0.075 R)
• M18: 18,914,556 km (0.12 R)
• M19: 24,230,517 km (0.07 R)
• M20: 25,543,537 km (0.101 R)
• M21: 26,627,523 km (0.04 R)
• M22: 29,766,087 km (0.078 R)
• M23: 34,431,296 km (0.085 R)
• M24: 36,879,765 km (0.082 R)
• M25: 38,496,918 km (0.067 R)
• M26: 39,920,192 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 16,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit