🌌 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: 199.6

Radius: 8.3

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.57 AU - 0.91 AU

Year: 405 Days

Day: 9.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,775,127 km

• M1: 103,223 km (0.111 R)
• M2: 437,424 km (0.073 R)
• M3: 736,171 km (0.087 R)
• M4: 996,920 km (0.052 R)
• M5: 1,294,770 km (0.079 R)
• M6: 1,591,422 km (0.086 R)
• M7: 2,104,393 km (0.099 R)
• M8: 3,014,547 km (0.115 R)
• M9: 3,306,113 km (0.052 R)
• M10: 3,713,468 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.1

Radius: 12

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.71 AU - 0.79 AU

Year: 413 Days

Day: 13.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,775,127 km

• M1: 150,645 km (0.095 R)
• M2: 663,766 km (0.114 R)
• M3: 1,047,335 km (0.051 R)
• M4: 1,484,011 km (0.117 R)
• M5: 2,486,017 km (0.093 R)
• M6: 3,041,474 km (0.101 R)
• M7: 3,535,746 km (0.1 R)
• M8: 4,155,679 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.8

Radius: 10

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.96 AU - 1.1 AU

Year: 665 Days

Day: 7.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,775,127 km

• M1: 124,316 km (0.041 R)
• M2: 464,651 km (0.106 R)
• M3: 872,305 km (0.086 R)
• M4: 1,229,694 km (0.096 R)
• M5: 1,838,408 km (0.119 R)
• M6: 2,202,679 km (0.113 R)
• M7: 2,694,407 km (0.103 R)
• M8: 3,116,572 km (0.099 R)
• M9: 3,458,553 km (0.115 R)
• M10: 3,928,739 km (0.107 R)
• M11: 4,328,914 km (0.104 R)
• M12: 5,283,946 km (0.08 R)
• M13: 6,394,561 km (0.066 R)
• M14: 7,149,581 km (0.067 R)
• M15: 7,724,636 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.2

Radius: 11.7

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.37 AU - 2.39 AU

Year: 2335 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,775,127 km

• M1: 145,559 km (0.062 R)
• M2: 628,012 km (0.07 R)
• M3: 1,020,557 km (0.096 R)
• M4: 1,384,379 km (0.115 R)
• M5: 1,848,730 km (0.041 R)
• M6: 2,388,629 km (0.099 R)
• M7: 2,868,838 km (0.063 R)
• M8: 3,578,381 km (0.117 R)
• M9: 4,401,469 km (0.053 R)
• M10: 4,800,895 km (0.111 R)
• M11: 5,854,662 km (0.074 R)
• M12: 8,416,077 km (0.11 R)
• M13: 11,072,636 km (0.119 R)
• M14: 12,329,109 km (0.072 R)
• M15: 13,400,828 km (0.114 R)
• M16: 16,456,514 km (0.108 R)
• M17: 19,591,188 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 14.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.69 AU - 3.97 AU

Year: 3864 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,775,127 km

• M1: 181,612 km (0.111 R)
• M2: 829,819 km (0.062 R)
• M3: 1,426,266 km (0.111 R)
• M4: 2,098,559 km (0.064 R)
• M5: 2,635,017 km (0.08 R)
• M6: 3,160,255 km (0.088 R)
• M7: 4,869,411 km (0.075 R)
• M8: 5,926,768 km (0.117 R)
• M9: 6,809,246 km (0.088 R)
• M10: 7,969,228 km (0.032 R)
• M11: 8,495,513 km (0.089 R)
• M12: 9,115,297 km (0.118 R)
• M13: 9,765,300 km (0.088 R)
• M14: 10,330,331 km (0.068 R)
• M15: 10,917,204 km (0.055 R)
• M16: 12,812,609 km (0.106 R)
• M17: 13,768,689 km (0.085 R)
• M18: 14,288,242 km (0.04 R)
• M19: 15,874,428 km (0.106 R)
• M20: 16,657,125 km (0.099 R)
• M21: 17,963,114 km (0.098 R)
• M22: 19,988,370 km (0.062 R)
• M23: 20,472,020 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.2

Radius: 4.4

Gravity: 18.3 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.29 AU - 11.89 AU

Year: 18883 Days

Day: 18.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 55.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,775,127 km

• M1: 54,902 km (0.083 R)
• M2: 222,901 km (0.112 R)
• M3: 420,520 km (0.119 R)
• M4: 560,543 km (0.062 R)
• M5: 994,377 km (0.098 R)
• M6: 1,262,606 km (0.12 R)
• M7: 2,107,984 km (0.073 R)
• M8: 2,910,127 km (0.101 R)
• M9: 3,353,685 km (0.104 R)
• M10: 5,194,487 km (0.08 R)
• M11: 11,810,602 km (0.115 R)
• M12: 17,715,679 km (0.078 R)
• M13: 18,275,025 km (0.054 R)
• M14: 19,682,293 km (0.119 R)
• M15: 22,524,503 km (0.084 R)
• M16: 23,086,243 km (0.108 R)
• M17: 24,827,412 km (0.097 R)
• M18: 28,677,613 km (0.082 R)
• M19: 29,670,793 km (0.091 R)
• M20: 32,312,990 km (0.093 R)
• M21: 43,004,750 km (0.098 R)
• M22: 43,868,528 km (0.113 R)
• M23: 45,630,642 km (0.097 R)
• M24: 50,400,121 km (0.095 R)
• M25: 51,521,207 km (0.116 R)
• M26: 52,658,899 km (0.101 R)
• M27: 57,724,433 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 18,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit