🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.6

Radius: 10.4

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.89 AU - 0.91 AU

Year: 589 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 142.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,584,195 km

• M1: 129,402 km (0.109 R)
• M2: 596,896 km (0.094 R)
• M3: 974,331 km (0.077 R)
• M4: 1,435,990 km (0.037 R)
• M5: 2,059,065 km (0.059 R)
• M6: 2,393,267 km (0.09 R)
• M7: 3,124,352 km (0.119 R)
• M8: 3,609,198 km (0.03 R)
• M9: 4,730,285 km (0.056 R)
• M10: 5,371,312 km (0.098 R)
• M11: 6,050,336 km (0.073 R)
• M12: 6,581,110 km (0.085 R)
• M13: 6,973,056 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.9

Radius: 10.4

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.5 AU - 3.9 AU

Year: 4913 Days

Day: 6.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,584,195 km

• M1: 129,402 km (0.084 R)
• M2: 679,474 km (0.028 R)
• M3: 1,778,120 km (0.093 R)
• M4: 3,274,099 km (0.072 R)
• M5: 3,875,931 km (0.094 R)
• M6: 4,629,456 km (0.112 R)
• M7: 5,751,589 km (0.075 R)
• M8: 6,228,507 km (0.052 R)
• M9: 7,288,857 km (0.071 R)
• M10: 8,375,386 km (0.081 R)
• M11: 9,115,297 km (0.108 R)
• M12: 10,134,807 km (0.093 R)
• M13: 12,595,542 km (0.073 R)
• M14: 13,442,416 km (0.101 R)
• M15: 14,630,223 km (0.054 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.6

Radius: 3.8

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.59 AU - 7.21 AU

Year: 11176 Days

Day: 21.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,584,195 km

• M1: 60,438 km (0.075 R)
• M2: 250,726 km (0.096 R)
• M3: 652,845 km (0.069 R)
• M4: 1,145,022 km (0.081 R)
• M5: 1,335,759 km (0.062 R)
• M6: 1,547,590 km (0.091 R)
• M7: 2,068,191 km (0.114 R)
• M8: 3,752,064 km (0.11 R)
• M9: 5,138,687 km (0.075 R)
• M10: 5,961,176 km (0.096 R)
• M11: 7,425,440 km (0.118 R)
• M12: 11,901,857 km (0.1 R)
• M13: 15,855,430 km (0.054 R)
• M14: 29,236,361 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.5

Radius: 4.7

Gravity: 43.53 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.98 AU - 8.98 AU

Year: 14121 Days

Day: 17.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,584,195 km

• M1: 60,438 km (0.107 R)
• M2: 268,528 km (0.103 R)
• M3: 631,453 km (0.059 R)
• M4: 956,978 km (0.119 R)
• M5: 1,190,799 km (0.103 R)
• M6: 1,492,987 km (0.104 R)
• M7: 2,167,972 km (0.099 R)
• M8: 2,573,233 km (0.098 R)
• M9: 2,805,858 km (0.079 R)
• M10: 3,367,448 km (0.115 R)
• M11: 5,276,167 km (0.105 R)
• M12: 6,627,934 km (0.12 R)
• M13: 8,145,604 km (0.115 R)
• M14: 8,750,578 km (0.055 R)
• M15: 9,170,200 km (0.089 R)
• M16: 12,038,589 km (0.088 R)
• M17: 12,689,490 km (0.102 R)
• M18: 13,363,727 km (0.073 R)
• M19: 14,132,361 km (0.064 R)
• M20: 15,377,913 km (0.116 R)
• M21: 15,834,336 km (0.064 R)
• M22: 18,168,961 km (0.066 R)
• M23: 19,111,427 km (0.057 R)
• M24: 19,286,307 km (0.083 R)
• M25: 22,423,524 km (0.076 R)
• M26: 23,507,211 km (0.08 R)
• M27: 24,112,634 km (0.119 R)
• M28: 26,530,434 km (0.082 R)
• M29: 27,741,878 km (0.114 R)
• M30: 30,990,994 km (0.096 R)
• M31: 32,333,934 km (0.073 R)
• M32: 33,588,013 km (0.114 R)
• M33: 34,227,095 km (0.096 R)
• M34: 49,919,164 km (0.103 R)
• M35: 56,834,924 km (0.1 R)
• M36: 57,377,964 km (0.076 R)
• M37: 57,559,726 km (0.094 R)
• M38: 60,145,076 km (0.063 R)
• M39: 67,146,406 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.3

Radius: 3.7

Gravity: 38.66 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.85 AU - 8.17 AU

Year: 14206 Days

Day: 24.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,584,195 km

• M1: 46,525 km (0.103 R)
• M2: 309,368 km (0.057 R)
• M3: 470,635 km (0.1 R)
• M4: 590,313 km (0.032 R)
• M5: 842,984 km (0.114 R)
• M6: 1,151,305 km (0.077 R)
• M7: 1,304,793 km (0.096 R)
• M8: 2,209,710 km (0.049 R)
• M9: 2,447,720 km (0.054 R)
• M10: 2,572,934 km (0.08 R)
• M11: 2,768,907 km (0.103 R)
• M12: 2,928,229 km (0.078 R)
• M13: 3,600,522 km (0.116 R)
• M14: 3,790,361 km (0.073 R)
• M15: 4,400,421 km (0.114 R)
• M16: 4,586,072 km (0.111 R)
• M17: 5,416,640 km (0.058 R)
• M18: 6,905,288 km (0.108 R)
• M19: 7,156,164 km (0.088 R)
• M20: 8,267,676 km (0.107 R)
• M21: 10,116,257 km (0.094 R)
• M22: 10,770,448 km (0.061 R)
• M23: 12,344,667 km (0.089 R)
• M24: 14,536,874 km (0.117 R)
• M25: 14,948,866 km (0.084 R)
• M26: 15,581,516 km (0.057 R)
• M27: 18,132,608 km (0.112 R)
• M28: 21,386,063 km (0.068 R)
• M29: 24,910,289 km (0.05 R)
• M30: 27,532,591 km (0.112 R)
• M31: 31,231,547 km (0.034 R)
• M32: 38,673,144 km (0.11 R)
• M33: 39,995,888 km (0.086 R)
• M34: 41,760,096 km (0.111 R)
• M35: 42,036,104 km (0.032 R)
• M36: 43,434,096 km (0.106 R)
• M37: 48,570,988 km (0.099 R)
• M38: 51,839,552 km (0.1 R)
• M39: 53,771,459 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 20,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit