🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.5

Radius: 11.8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.43 AU - 1.65 AU

Year: 1254 Days

Day: 8.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,936,484 km

• M1: 146,756 km (0.116 R)
• M2: 513,869 km (0.107 R)
• M3: 907,161 km (0.054 R)
• M4: 1,331,271 km (0.109 R)
• M5: 2,385,338 km (0.118 R)
• M6: 2,779,528 km (0.081 R)
• M7: 4,692,736 km (0.05 R)
• M8: 5,165,914 km (0.091 R)
• M9: 6,144,433 km (0.106 R)
• M10: 6,600,108 km (0.081 R)
• M11: 8,181,059 km (0.098 R)
• M12: 8,841,384 km (0.104 R)
• M13: 9,310,523 km (0.102 R)
• M14: 9,767,245 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.4

Radius: 9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.71 AU - 1.99 AU

Year: 1651 Days

Day: 9.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,936,484 km

• M1: 121,025 km (0.072 R)
• M2: 496,964 km (0.068 R)
• M3: 837,299 km (0.078 R)
• M4: 1,307,934 km (0.103 R)
• M5: 2,268,951 km (0.09 R)
• M6: 3,217,850 km (0.059 R)
• M7: 4,586,671 km (0.114 R)
• M8: 6,429,567 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778

Radius: 12

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.82 AU - 3.22 AU

Year: 3443 Days

Day: 11.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,936,484 km

• M1: 149,448 km (0.059 R)
• M2: 608,863 km (0.045 R)
• M3: 1,034,768 km (0.103 R)
• M4: 1,489,097 km (0.118 R)
• M5: 1,894,358 km (0.085 R)
• M6: 2,464,475 km (0.081 R)
• M7: 3,057,182 km (0.07 R)
• M8: 3,723,042 km (0.093 R)
• M9: 4,864,175 km (0.11 R)
• M10: 5,370,863 km (0.076 R)
• M11: 5,856,607 km (0.097 R)
• M12: 6,854,874 km (0.102 R)
• M13: 9,415,690 km (0.064 R)
• M14: 10,327,190 km (0.108 R)
• M15: 11,647,541 km (0.113 R)
• M16: 13,173,738 km (0.047 R)
• M17: 16,619,276 km (0.036 R)
• M18: 17,016,907 km (0.06 R)
• M19: 17,420,672 km (0.086 R)
• M20: 18,127,971 km (0.102 R)
• M21: 20,043,871 km (0.054 R)
• M22: 22,850,327 km (0.061 R)
• M23: 23,697,948 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.6

Radius: 11.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.25 AU - 4.05 AU

Year: 4575 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,936,484 km

• M1: 139,425 km (0.09 R)
• M2: 534,962 km (0.037 R)
• M3: 1,140,385 km (0.112 R)
• M4: 2,039,169 km (0.046 R)
• M5: 2,408,975 km (0.12 R)
• M6: 3,197,355 km (0.093 R)
• M7: 3,603,663 km (0.036 R)
• M8: 4,003,089 km (0.083 R)
• M9: 4,657,879 km (0.108 R)
• M10: 5,640,588 km (0.101 R)
• M11: 6,153,559 km (0.113 R)
• M12: 7,493,357 km (0.081 R)
• M13: 8,013,808 km (0.089 R)
• M14: 9,273,422 km (0.029 R)
• M15: 10,183,576 km (0.061 R)
• M16: 10,822,808 km (0.099 R)
• M17: 11,319,772 km (0.12 R)
• M18: 12,314,598 km (0.106 R)
• M19: 15,754,301 km (0.114 R)
• M20: 18,065,588 km (0.09 R)
• M21: 18,706,466 km (0.104 R)
• M22: 19,726,574 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.5

Radius: 11.4

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.47 AU - 4.29 AU

Year: 5014 Days

Day: 7.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,936,484 km

• M1: 142,716 km (0.068 R)
• M2: 565,779 km (0.097 R)
• M3: 1,027,139 km (0.027 R)
• M4: 1,703,321 km (0.064 R)
• M5: 2,321,011 km (0.072 R)
• M6: 2,847,147 km (0.078 R)
• M7: 3,312,695 km (0.071 R)
• M8: 3,700,154 km (0.111 R)
• M9: 4,117,981 km (0.106 R)
• M10: 4,791,321 km (0.075 R)
• M11: 5,536,916 km (0.097 R)
• M12: 6,296,724 km (0.076 R)
• M13: 7,091,687 km (0.106 R)
• M14: 7,881,115 km (0.042 R)
• M15: 8,997,564 km (0.118 R)
• M16: 9,553,320 km (0.092 R)
• M17: 10,998,884 km (0.086 R)
• M18: 12,732,424 km (0.039 R)
• M19: 14,479,728 km (0.077 R)
• M20: 18,006,497 km (0.1 R)
• M21: 20,880,572 km (0.056 R)
• M22: 23,822,115 km (0.117 R)
• M23: 24,426,640 km (0.119 R)
• M24: 26,382,033 km (0.08 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 13,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit