🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.8

Radius: 9.7

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.47 AU - 1.81 AU

Year: 1335 Days

Day: 13.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,548,371 km

• M1: 120,576 km (0.045 R)
• M2: 521,498 km (0.066 R)
• M3: 968,945 km (0.095 R)
• M4: 1,330,523 km (0.097 R)
• M5: 1,742,666 km (0.085 R)
• M6: 2,573,383 km (0.115 R)
• M7: 2,912,222 km (0.075 R)
• M8: 3,501,189 km (0.077 R)
• M9: 4,203,850 km (0.092 R)
• M10: 4,815,406 km (0.056 R)
• M11: 5,376,547 km (0.111 R)
• M12: 5,729,299 km (0.075 R)
• M13: 6,144,583 km (0.036 R)
• M14: 6,830,489 km (0.113 R)
• M15: 7,271,354 km (0.105 R)
• M16: 9,767,095 km (0.103 R)
• M17: 11,013,545 km (0.101 R)
• M18: 11,693,467 km (0.114 R)
• M19: 12,630,399 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.6

Radius: 10.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.45 AU - 1.87 AU

Year: 1360 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,548,371 km

• M1: 137,181 km (0.112 R)
• M2: 486,492 km (0.116 R)
• M3: 831,615 km (0.078 R)
• M4: 1,228,947 km (0.117 R)
• M5: 2,080,158 km (0.092 R)
• M6: 2,468,664 km (0.118 R)
• M7: 2,954,857 km (0.062 R)
• M8: 3,745,332 km (0.098 R)
• M9: 4,422,412 km (0.119 R)
• M10: 5,017,812 km (0.109 R)
• M11: 5,589,126 km (0.065 R)
• M12: 6,410,867 km (0.04 R)
• M13: 7,061,767 km (0.049 R)
• M14: 8,120,322 km (0.049 R)
• M15: 8,804,283 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 14.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.79 AU - 4.21 AU

Year: 5087 Days

Day: 12.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,548,371 km

• M1: 181,013 km (0.079 R)
• M2: 985,102 km (0.09 R)
• M3: 2,150,320 km (0.092 R)
• M4: 3,513,755 km (0.116 R)
• M5: 4,102,123 km (0.037 R)
• M6: 4,858,490 km (0.098 R)
• M7: 6,715,149 km (0.113 R)
• M8: 7,177,855 km (0.049 R)
• M9: 9,947,062 km (0.026 R)
• M10: 12,213,769 km (0.026 R)
• M11: 13,057,650 km (0.095 R)
• M12: 15,651,228 km (0.117 R)
• M13: 16,587,412 km (0.033 R)
• M14: 20,918,270 km (0.108 R)
• M15: 24,449,378 km (0.098 R)
• M16: 25,870,409 km (0.098 R)
• M17: 26,930,609 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.1

Radius: 9.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.14 AU - 4.96 AU

Year: 6171 Days

Day: 7.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,548,371 km

• M1: 118,631 km (0.05 R)
• M2: 424,559 km (0.118 R)
• M3: 1,193,941 km (0.099 R)
• M4: 1,623,137 km (0.043 R)
• M5: 1,985,463 km (0.067 R)
• M6: 2,623,797 km (0.072 R)
• M7: 3,890,293 km (0.111 R)
• M8: 4,912,495 km (0.066 R)
• M9: 5,249,240 km (0.102 R)
• M10: 6,695,253 km (0.048 R)
• M11: 11,112,429 km (0.084 R)
• M12: 12,166,196 km (0.096 R)
• M13: 12,965,348 km (0.111 R)
• M14: 16,091,645 km (0.089 R)
• M15: 19,034,833 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.5

Radius: 7.7

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.94 AU - 12.52 AU

Year: 22348 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,548,371 km

• M1: 97,089 km (0.054 R)
• M2: 396,584 km (0.043 R)
• M3: 805,585 km (0.105 R)
• M4: 1,061,247 km (0.074 R)
• M5: 1,447,210 km (0.115 R)
• M6: 2,221,080 km (0.068 R)
• M7: 4,622,574 km (0.103 R)
• M8: 5,345,730 km (0.115 R)
• M9: 6,700,339 km (0.119 R)
• M10: 7,433,518 km (0.106 R)
• M11: 10,483,520 km (0.037 R)
• M12: 12,183,550 km (0.071 R)
• M13: 14,205,963 km (0.081 R)
• M14: 22,887,277 km (0.119 R)
• M15: 23,704,830 km (0.09 R)
• M16: 24,860,623 km (0.069 R)
• M17: 29,860,483 km (0.068 R)
• M18: 36,173,364 km (0.101 R)
• M19: 47,306,437 km (0.064 R)
• M20: 48,631,575 km (0.105 R)
• M21: 66,102,662 km (0.077 R)
• M22: 68,595,860 km (0.068 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 20,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit