🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.3

Radius: 13.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.7 AU - 0.84 AU

Year: 466 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,124,444 km

• M1: 169,494 km (0.1 R)
• M2: 625,319 km (0.094 R)
• M3: 1,076,805 km (0.105 R)
• M4: 1,499,868 km (0.1 R)
• M5: 1,945,670 km (0.075 R)
• M6: 2,445,626 km (0.114 R)
• M7: 2,990,162 km (0.114 R)
• M8: 3,511,212 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.4

Radius: 9.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.83 AU - 1.17 AU

Year: 690 Days

Day: 10.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 162.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,124,444 km

• M1: 118,182 km (0.111 R)
• M2: 506,688 km (0.078 R)
• M3: 903,272 km (0.098 R)
• M4: 1,303,297 km (0.088 R)
• M5: 1,656,946 km (0.073 R)
• M6: 2,596,271 km (0.117 R)
• M7: 2,902,647 km (0.089 R)
• M8: 3,418,461 km (0.076 R)
• M9: 3,821,777 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 11

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.88 AU - 1.42 AU

Year: 851 Days

Day: 13.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,124,444 km

• M1: 136,732 km (0.055 R)
• M2: 501,602 km (0.052 R)
• M3: 1,080,396 km (0.074 R)
• M4: 1,522,308 km (0.086 R)
• M5: 2,473,152 km (0.103 R)
• M6: 2,826,652 km (0.102 R)
• M7: 3,931,582 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.7

Radius: 14.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.28 AU - 1.44 AU

Year: 1095 Days

Day: 12.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,124,444 km

• M1: 176,675 km (0.056 R)
• M2: 679,025 km (0.054 R)
• M3: 1,178,233 km (0.117 R)
• M4: 1,660,387 km (0.056 R)
• M5: 2,156,753 km (0.12 R)
• M6: 2,690,069 km (0.048 R)
• M7: 3,296,987 km (0.049 R)
• M8: 4,300,041 km (0.075 R)
• M9: 5,375,051 km (0.046 R)
• M10: 6,390,522 km (0.074 R)
• M11: 7,127,890 km (0.117 R)
• M12: 7,737,052 km (0.082 R)
• M13: 9,118,589 km (0.073 R)
• M14: 10,337,811 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.6

Radius: 13.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.17 AU - 2.81 AU

Year: 2712 Days

Day: 14.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,124,444 km

• M1: 169,345 km (0.06 R)
• M2: 736,321 km (0.079 R)
• M3: 1,185,114 km (0.114 R)
• M4: 1,704,518 km (0.026 R)
• M5: 2,167,374 km (0.03 R)
• M6: 2,975,053 km (0.085 R)
• M7: 3,529,463 km (0.027 R)
• M8: 4,033,907 km (0.062 R)
• M9: 5,353,809 km (0.119 R)
• M10: 6,126,781 km (0.085 R)
• M11: 6,887,785 km (0.075 R)
• M12: 7,350,342 km (0.116 R)
• M13: 7,864,659 km (0.066 R)
• M14: 8,631,648 km (0.119 R)
• M15: 10,999,931 km (0.056 R)
• M16: 11,633,927 km (0.089 R)
• M17: 13,062,138 km (0.026 R)
• M18: 16,163,601 km (0.105 R)
• M19: 18,102,090 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 12.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.86 AU - 3.52 AU

Year: 3933 Days

Day: 10.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,124,444 km

• M1: 160,519 km (0.089 R)
• M2: 778,507 km (0.075 R)
• M3: 1,288,786 km (0.115 R)
• M4: 1,729,501 km (0.08 R)
• M5: 2,182,483 km (0.056 R)
• M6: 2,927,331 km (0.08 R)
• M7: 3,911,236 km (0.087 R)
• M8: 4,469,984 km (0.084 R)
• M9: 5,013,473 km (0.042 R)
• M10: 5,823,396 km (0.12 R)
• M11: 6,691,214 km (0.056 R)
• M12: 7,825,913 km (0.075 R)
• M13: 8,651,095 km (0.054 R)
• M14: 9,852,665 km (0.105 R)
• M15: 10,326,143 km (0.107 R)
• M16: 14,401,787 km (0.101 R)
• M17: 14,822,905 km (0.094 R)
• M18: 15,591,988 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586

Radius: 14.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.98 AU - 4.76 AU

Year: 6306 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,124,444 km

• M1: 180,265 km (0.117 R)
• M2: 895,343 km (0.082 R)
• M3: 1,570,778 km (0.094 R)
• M4: 2,391,023 km (0.068 R)
• M5: 3,504,929 km (0.088 R)
• M6: 5,106,823 km (0.04 R)
• M7: 5,993,489 km (0.026 R)
• M8: 8,344,270 km (0.103 R)
• M9: 9,748,096 km (0.088 R)
• M10: 10,506,558 km (0.027 R)
• M11: 11,644,249 km (0.06 R)
• M12: 12,757,706 km (0.117 R)
• M13: 13,233,278 km (0.099 R)
• M14: 17,866,474 km (0.102 R)
• M15: 18,462,621 km (0.105 R)
• M16: 19,003,567 km (0.11 R)
• M17: 22,705,217 km (0.105 R)
• M18: 25,093,846 km (0.09 R)
• M19: 25,841,985 km (0.088 R)
• M20: 27,208,861 km (0.114 R)
• M21: 28,984,587 km (0.116 R)
• M22: 29,716,121 km (0.064 R)
• M23: 30,179,426 km (0.087 R)

Asteroid Belt

Center: 6.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.7

Radius: 5.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.68 AU - 8.7 AU

Year: 17682 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,124,444 km

• M1: 82,279 km (0.117 R)
• M2: 1,160,281 km (0.114 R)
• M3: 1,622,539 km (0.098 R)
• M4: 1,919,490 km (0.116 R)
• M5: 2,741,082 km (0.111 R)
• M6: 4,576,797 km (0.069 R)
• M7: 7,028,407 km (0.086 R)
• M8: 9,336,403 km (0.114 R)
• M9: 10,939,793 km (0.096 R)
• M10: 11,302,119 km (0.074 R)
• M11: 24,465,385 km (0.08 R)
• M12: 28,533,849 km (0.09 R)
• M13: 34,888,318 km (0.038 R)
• M14: 37,510,021 km (0.106 R)
• M15: 40,015,934 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 18,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit