🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.6

Radius: 9.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.74 AU - 0.74 AU

Year: 432 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,912,798 km

• M1: 118,182 km (0.037 R)
• M2: 414,237 km (0.073 R)
• M3: 746,942 km (0.107 R)
• M4: 1,610,720 km (0.053 R)
• M5: 1,938,340 km (0.118 R)
• M6: 2,798,378 km (0.068 R)
• M7: 3,267,068 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.8

Radius: 12.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.71 AU - 0.93 AU

Year: 504 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,912,798 km

• M1: 150,495 km (0.12 R)
• M2: 553,961 km (0.087 R)
• M3: 944,112 km (0.114 R)
• M4: 1,829,732 km (0.05 R)
• M5: 2,214,647 km (0.075 R)
• M6: 3,252,557 km (0.108 R)
• M7: 3,762,087 km (0.043 R)
• M8: 4,463,252 km (0.117 R)
• M9: 5,456,134 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.7

Radius: 8.1

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.55 AU - 2.29 AU

Year: 1804 Days

Day: 11.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,912,798 km

• M1: 100,829 km (0.092 R)
• M2: 442,361 km (0.093 R)
• M3: 776,712 km (0.072 R)
• M4: 1,495,081 km (0.091 R)
• M5: 1,866,383 km (0.098 R)
• M6: 2,157,949 km (0.097 R)
• M7: 3,193,316 km (0.084 R)
• M8: 3,553,099 km (0.066 R)
• M9: 4,688,547 km (0.073 R)
• M10: 5,116,098 km (0.114 R)
• M11: 6,421,339 km (0.103 R)
• M12: 6,693,158 km (0.104 R)
• M13: 8,597,539 km (0.112 R)
• M14: 9,732,837 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.6

Radius: 10.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.69 AU - 3.13 AU

Year: 3367 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,912,798 km

• M1: 134,339 km (0.049 R)
• M2: 638,783 km (0.116 R)
• M3: 1,092,962 km (0.112 R)
• M4: 1,508,395 km (0.092 R)
• M5: 1,879,248 km (0.084 R)
• M6: 3,198,851 km (0.032 R)
• M7: 3,547,115 km (0.088 R)
• M8: 5,032,772 km (0.064 R)
• M9: 6,777,831 km (0.066 R)
• M10: 7,356,475 km (0.094 R)
• M11: 8,067,364 km (0.116 R)
• M12: 8,682,660 km (0.051 R)
• M13: 10,358,157 km (0.101 R)
• M14: 11,419,105 km (0.045 R)
• M15: 12,063,423 km (0.083 R)
• M16: 12,822,781 km (0.058 R)
• M17: 13,661,128 km (0.109 R)
• M18: 14,288,990 km (0.052 R)
• M19: 15,969,722 km (0.096 R)
• M20: 17,949,201 km (0.025 R)
• M21: 18,879,550 km (0.105 R)
• M22: 20,836,141 km (0.076 R)
• M23: 21,217,616 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.1

Radius: 10.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.28 AU - 6.14 AU

Year: 8066 Days

Day: 10.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,912,798 km

• M1: 138,079 km (0.112 R)
• M2: 656,286 km (0.097 R)
• M3: 1,031,029 km (0.075 R)
• M4: 2,284,509 km (0.112 R)
• M5: 3,267,217 km (0.117 R)
• M6: 3,941,455 km (0.097 R)
• M7: 6,047,943 km (0.078 R)
• M8: 7,876,477 km (0.056 R)
• M9: 8,256,606 km (0.09 R)
• M10: 10,382,242 km (0.076 R)
• M11: 13,422,220 km (0.099 R)
• M12: 14,952,008 km (0.078 R)
• M13: 15,834,037 km (0.106 R)
• M14: 17,647,612 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.7

Radius: 5.5

Gravity: 21.41 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.27 AU - 8.35 AU

Year: 12053 Days

Day: 18.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,912,798 km

• M1: 73,901 km (0.077 R)
• M2: 298,897 km (0.111 R)
• M3: 750,233 km (0.108 R)
• M4: 1,092,812 km (0.118 R)
• M5: 1,379,741 km (0.059 R)
• M6: 1,845,140 km (0.101 R)
• M7: 2,069,088 km (0.07 R)
• M8: 2,291,839 km (0.112 R)
• M9: 2,530,598 km (0.047 R)
• M10: 3,423,398 km (0.113 R)
• M11: 3,983,043 km (0.112 R)
• M12: 4,789,525 km (0.1 R)
• M13: 5,214,533 km (0.088 R)
• M14: 7,813,048 km (0.106 R)
• M15: 8,035,949 km (0.111 R)
• M16: 9,768,891 km (0.047 R)
• M17: 12,751,274 km (0.095 R)
• M18: 13,311,667 km (0.103 R)
• M19: 18,478,479 km (0.088 R)
• M20: 20,431,928 km (0.066 R)
• M21: 23,429,121 km (0.063 R)
• M22: 30,277,412 km (0.108 R)
• M23: 30,717,230 km (0.078 R)
• M24: 31,497,383 km (0.077 R)
• M25: 35,719,184 km (0.12 R)
• M26: 46,418,873 km (0.093 R)
• M27: 48,787,905 km (0.103 R)
• M28: 51,080,791 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579

Radius: 5

Gravity: 23.16 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.27 AU - 8.78 AU

Year: 12615 Days

Day: 19.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,912,798 km

• M1: 62,233 km (0.026 R)
• M2: 365,318 km (0.056 R)
• M3: 765,792 km (0.096 R)
• M4: 1,102,387 km (0.104 R)
• M5: 1,260,063 km (0.117 R)
• M6: 1,606,382 km (0.049 R)
• M7: 3,470,072 km (0.116 R)
• M8: 4,412,539 km (0.089 R)
• M9: 5,139,584 km (0.067 R)
• M10: 5,584,339 km (0.031 R)
• M11: 7,666,143 km (0.105 R)
• M12: 9,747,049 km (0.094 R)
• M13: 11,307,505 km (0.11 R)
• M14: 11,592,489 km (0.093 R)
• M15: 11,765,723 km (0.036 R)
• M16: 13,214,429 km (0.038 R)
• M17: 15,674,715 km (0.095 R)
• M18: 15,957,754 km (0.093 R)
• M19: 17,198,669 km (0.095 R)
• M20: 20,119,118 km (0.119 R)
• M21: 21,478,514 km (0.097 R)
• M22: 22,092,015 km (0.105 R)
• M23: 26,717,881 km (0.107 R)
• M24: 27,020,367 km (0.099 R)
• M25: 29,955,029 km (0.037 R)
• M26: 31,163,780 km (0.102 R)
• M27: 38,976,828 km (0.085 R)
• M28: 42,985,602 km (0.039 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: 158 - 11,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit