🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.6

Radius: 9.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.57 AU - 0.57 AU

Year: 287 Days

Day: 11.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,923,008 km

• M1: 150,795 km (0.046 R)
• M2: 668,403 km (0.068 R)
• M3: 1,236,576 km (0.085 R)
• M4: 1,712,896 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.8

Radius: 10.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.57 AU - 0.65 AU

Year: 318 Days

Day: 13.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,923,008 km

• M1: 127,009 km (0.066 R)
• M2: 474,824 km (0.055 R)
• M3: 801,695 km (0.1 R)
• M4: 1,181,973 km (0.066 R)
• M5: 1,837,361 km (0.076 R)
• M6: 2,241,275 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 13.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.69 AU - 0.81 AU

Year: 433 Days

Day: 12.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,923,008 km

• M1: 175,777 km (0.114 R)
• M2: 633,547 km (0.105 R)
• M3: 1,239,269 km (0.107 R)
• M4: 1,694,046 km (0.096 R)
• M5: 2,137,454 km (0.118 R)
• M6: 2,680,195 km (0.037 R)
• M7: 3,115,226 km (0.113 R)
• M8: 4,034,056 km (0.11 R)
• M9: 4,475,819 km (0.095 R)
• M10: 4,918,479 km (0.06 R)
• M11: 5,441,174 km (0.045 R)
• M12: 6,164,928 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.7

Radius: 13.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.21 AU - 1.23 AU

Year: 899 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,923,008 km

• M1: 165,754 km (0.03 R)
• M2: 824,883 km (0.033 R)
• M3: 1,364,183 km (0.101 R)
• M4: 1,790,687 km (0.042 R)
• M5: 2,307,996 km (0.054 R)
• M6: 3,957,462 km (0.074 R)
• M7: 4,459,662 km (0.096 R)
• M8: 5,825,939 km (0.075 R)
• M9: 6,735,495 km (0.085 R)
• M10: 7,761,437 km (0.036 R)
• M11: 8,732,776 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.9

Radius: 9.1

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.43 AU - 4.95 AU

Year: 6773 Days

Day: 7.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,923,008 km

• M1: 113,096 km (0.068 R)
• M2: 686,953 km (0.063 R)
• M3: 1,013,526 km (0.08 R)
• M4: 1,363,435 km (0.031 R)
• M5: 1,807,890 km (0.112 R)
• M6: 2,231,103 km (0.107 R)
• M7: 3,009,610 km (0.114 R)
• M8: 3,363,409 km (0.117 R)
• M9: 4,205,645 km (0.086 R)
• M10: 4,595,497 km (0.113 R)
• M11: 5,912,257 km (0.119 R)
• M12: 6,606,092 km (0.096 R)
• M13: 7,501,735 km (0.106 R)
• M14: 7,998,400 km (0.054 R)
• M15: 9,057,403 km (0.088 R)
• M16: 10,299,664 km (0.044 R)
• M17: 10,674,556 km (0.111 R)
• M18: 11,107,193 km (0.086 R)
• M19: 11,402,200 km (0.113 R)
• M20: 14,297,069 km (0.052 R)
• M21: 16,415,374 km (0.08 R)
• M22: 19,364,547 km (0.095 R)
• M23: 23,124,689 km (0.091 R)
• M24: 24,923,454 km (0.099 R)
• M25: 26,462,966 km (0.032 R)
• M26: 34,911,057 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.5

Radius: 4.2

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.72 AU - 10.16 AU

Year: 17825 Days

Day: 17.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,923,008 km

• M1: 52,658 km (0.104 R)
• M2: 197,918 km (0.072 R)
• M3: 343,926 km (0.094 R)
• M4: 586,573 km (0.081 R)
• M5: 720,912 km (0.089 R)
• M6: 2,366,788 km (0.109 R)
• M7: 4,040,638 km (0.048 R)
• M8: 4,268,476 km (0.089 R)
• M9: 4,415,232 km (0.105 R)
• M10: 4,939,422 km (0.098 R)
• M11: 5,573,269 km (0.119 R)
• M12: 7,122,803 km (0.08 R)
• M13: 9,522,802 km (0.092 R)
• M14: 9,773,827 km (0.102 R)
• M15: 10,767,905 km (0.087 R)
• M16: 11,942,996 km (0.05 R)
• M17: 12,591,503 km (0.042 R)
• M18: 13,139,181 km (0.115 R)
• M19: 13,450,345 km (0.071 R)
• M20: 15,079,914 km (0.06 R)
• M21: 15,352,332 km (0.044 R)
• M22: 16,047,663 km (0.098 R)
• M23: 16,836,492 km (0.115 R)
• M24: 22,295,319 km (0.086 R)
• M25: 23,367,038 km (0.063 R)
• M26: 24,379,217 km (0.105 R)
• M27: 25,038,345 km (0.098 R)
• M28: 27,489,506 km (0.102 R)
• M29: 28,100,763 km (0.036 R)
• M30: 33,090,899 km (0.075 R)
• M31: 33,898,578 km (0.047 R)
• M32: 36,644,746 km (0.119 R)
• M33: 50,466,542 km (0.078 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: 258 - 11,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit