🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 12.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.84 AU - 1.02 AU

Year: 570 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 159.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,327,672 km

• M1: 160,219 km (0.079 R)
• M2: 565,330 km (0.079 R)
• M3: 1,017,266 km (0.092 R)
• M4: 1,600,548 km (0.098 R)
• M5: 2,580,713 km (0.106 R)
• M6: 3,392,581 km (0.107 R)
• M7: 3,995,909 km (0.103 R)
• M8: 4,779,203 km (0.117 R)
• M9: 5,266,443 km (0.05 R)
• M10: 5,949,358 km (0.089 R)
• M11: 6,631,524 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.2

Radius: 10.6

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.96 AU - 3.04 AU

Year: 2513 Days

Day: 13.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,327,672 km

• M1: 131,796 km (0.119 R)
• M2: 514,766 km (0.103 R)
• M3: 1,007,841 km (0.114 R)
• M4: 1,341,444 km (0.071 R)
• M5: 2,052,632 km (0.058 R)
• M6: 2,515,488 km (0.061 R)
• M7: 3,145,894 km (0.096 R)
• M8: 4,093,596 km (0.077 R)
• M9: 4,655,785 km (0.078 R)
• M10: 5,174,590 km (0.084 R)
• M11: 6,038,069 km (0.103 R)
• M12: 6,852,330 km (0.05 R)
• M13: 7,585,360 km (0.071 R)
• M14: 8,018,296 km (0.081 R)
• M15: 8,832,408 km (0.09 R)
• M16: 11,810,154 km (0.078 R)
• M17: 12,140,765 km (0.062 R)
• M18: 15,302,366 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.5

Radius: 11.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.82 AU - 3.9 AU

Year: 3916 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,327,672 km

• M1: 141,819 km (0.038 R)
• M2: 648,806 km (0.115 R)
• M3: 1,049,429 km (0.086 R)
• M4: 1,820,606 km (0.04 R)
• M5: 2,547,353 km (0.047 R)
• M6: 2,921,048 km (0.112 R)
• M7: 3,588,703 km (0.083 R)
• M8: 4,824,083 km (0.036 R)
• M9: 5,784,351 km (0.081 R)
• M10: 6,379,900 km (0.06 R)
• M11: 8,791,867 km (0.112 R)
• M12: 9,728,200 km (0.11 R)
• M13: 11,379,760 km (0.112 R)
• M14: 12,228,728 km (0.043 R)
• M15: 13,028,479 km (0.118 R)
• M16: 13,487,594 km (0.118 R)
• M17: 14,244,709 km (0.088 R)
• M18: 14,979,983 km (0.071 R)
• M19: 16,473,119 km (0.077 R)
• M20: 17,503,848 km (0.117 R)
• M21: 18,119,892 km (0.091 R)
• M22: 19,873,778 km (0.074 R)
• M23: 20,237,600 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107

Radius: 13.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.48 AU - 4.72 AU

Year: 5278 Days

Day: 11.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,327,672 km

• M1: 171,589 km (0.094 R)
• M2: 845,078 km (0.067 R)
• M3: 1,564,345 km (0.114 R)
• M4: 2,135,061 km (0.042 R)
• M5: 2,670,322 km (0.083 R)
• M6: 3,149,783 km (0.063 R)
• M7: 4,797,305 km (0.114 R)
• M8: 5,654,052 km (0.1 R)
• M9: 6,220,728 km (0.106 R)
• M10: 6,690,615 km (0.117 R)
• M11: 7,184,139 km (0.075 R)
• M12: 7,760,988 km (0.057 R)
• M13: 11,976,506 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.7

Radius: 13

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.32 AU - 4.5 AU

Year: 5888 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,327,672 km

• M1: 161,715 km (0.092 R)
• M2: 599,439 km (0.083 R)
• M3: 1,160,580 km (0.064 R)
• M4: 1,696,141 km (0.12 R)
• M5: 2,235,142 km (0.077 R)
• M6: 2,668,676 km (0.095 R)
• M7: 3,321,372 km (0.078 R)
• M8: 3,731,270 km (0.035 R)
• M9: 4,524,588 km (0.115 R)
• M10: 5,456,582 km (0.09 R)
• M11: 7,812,150 km (0.091 R)
• M12: 9,110,810 km (0.093 R)
• M13: 10,098,006 km (0.107 R)
• M14: 11,883,606 km (0.094 R)
• M15: 12,851,355 km (0.074 R)
• M16: 13,489,390 km (0.106 R)
• M17: 16,377,526 km (0.108 R)
• M18: 19,516,538 km (0.113 R)
• M19: 20,217,853 km (0.061 R)
• M20: 21,154,336 km (0.115 R)
• M21: 21,744,948 km (0.09 R)
• M22: 22,804,999 km (0.081 R)
• M23: 25,939,822 km (0.048 R)
• M24: 26,446,360 km (0.079 R)
• M25: 31,307,094 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.3

Radius: 4.5

Gravity: 24.51 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.65 AU - 8.61 AU

Year: 13400 Days

Day: 19 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,327,672 km

• M1: 55,950 km (0.088 R)
• M2: 262,095 km (0.12 R)
• M3: 526,285 km (0.109 R)
• M4: 1,203,365 km (0.076 R)
• M5: 2,092,425 km (0.089 R)
• M6: 4,154,183 km (0.105 R)
• M7: 7,237,545 km (0.076 R)
• M8: 7,706,684 km (0.105 R)
• M9: 8,060,333 km (0.047 R)
• M10: 8,564,328 km (0.085 R)
• M11: 10,467,213 km (0.105 R)
• M12: 12,037,692 km (0.102 R)
• M13: 13,126,316 km (0.099 R)
• M14: 15,358,765 km (0.101 R)
• M15: 16,857,137 km (0.099 R)
• M16: 22,196,434 km (0.062 R)
• M17: 25,535,459 km (0.087 R)
• M18: 28,352,836 km (0.068 R)
• M19: 31,818,570 km (0.096 R)
• M20: 34,358,442 km (0.08 R)
• M21: 38,929,256 km (0.08 R)
• M22: 41,560,832 km (0.111 R)
• M23: 48,653,715 km (0.081 R)
• M24: 48,803,313 km (0.037 R)
• M25: 51,858,700 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 13,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit