🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 8.5

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.66 AU - 0.9 AU

Year: 476 Days

Day: 6.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,668,724 km

• M1: 105,766 km (0.102 R)
• M2: 395,088 km (0.109 R)
• M3: 692,189 km (0.1 R)
• M4: 1,022,950 km (0.087 R)
• M5: 1,307,336 km (0.111 R)
• M6: 1,637,947 km (0.107 R)
• M7: 2,295,579 km (0.116 R)
• M8: 2,901,899 km (0.095 R)
• M9: 3,795,298 km (0.071 R)
• M10: 4,211,479 km (0.105 R)
• M11: 4,596,694 km (0.09 R)
• M12: 4,940,769 km (0.032 R)
• M13: 5,302,048 km (0.037 R)
• M14: 5,822,948 km (0.109 R)
• M15: 6,358,657 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.3

Radius: 13.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.95 AU - 3.09 AU

Year: 2761 Days

Day: 9.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,668,724 km

• M1: 182,210 km (0.066 R)
• M2: 611,556 km (0.081 R)
• M3: 1,045,390 km (0.046 R)
• M4: 1,476,980 km (0.111 R)
• M5: 1,929,813 km (0.052 R)
• M6: 2,653,268 km (0.116 R)
• M7: 3,285,468 km (0.07 R)
• M8: 3,887,749 km (0.116 R)
• M9: 6,636,910 km (0.097 R)
• M10: 7,262,528 km (0.113 R)
• M11: 7,691,425 km (0.088 R)
• M12: 9,991,941 km (0.057 R)
• M13: 10,778,377 km (0.051 R)
• M14: 11,605,653 km (0.11 R)
• M15: 14,343,444 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.2

Radius: 12.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.72 AU - 2.78 AU

Year: 3148 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,668,724 km

• M1: 153,039 km (0.116 R)
• M2: 582,385 km (0.109 R)
• M3: 1,130,661 km (0.08 R)
• M4: 1,531,284 km (0.061 R)
• M5: 2,140,746 km (0.069 R)
• M6: 2,814,086 km (0.11 R)
• M7: 4,025,529 km (0.12 R)
• M8: 5,834,317 km (0.077 R)
• M9: 13,379,136 km (0.09 R)
• M10: 17,251,327 km (0.055 R)
• M11: 18,173,000 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.7

Radius: 8.1

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.63 AU - 4.37 AU

Year: 4520 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,668,724 km

• M1: 100,829 km (0.069 R)
• M2: 474,824 km (0.072 R)
• M3: 821,891 km (0.079 R)
• M4: 1,346,979 km (0.092 R)
• M5: 1,851,124 km (0.099 R)
• M6: 3,192,867 km (0.1 R)
• M7: 3,811,155 km (0.062 R)
• M8: 4,331,457 km (0.111 R)
• M9: 4,818,099 km (0.101 R)
• M10: 5,199,723 km (0.114 R)
• M11: 5,542,751 km (0.09 R)
• M12: 5,809,783 km (0.072 R)
• M13: 6,338,013 km (0.067 R)
• M14: 6,999,834 km (0.095 R)
• M15: 10,832,681 km (0.081 R)
• M16: 12,776,705 km (0.081 R)
• M17: 13,885,226 km (0.095 R)
• M18: 14,323,847 km (0.037 R)
• M19: 14,942,284 km (0.05 R)
• M20: 16,111,840 km (0.112 R)
• M21: 16,904,111 km (0.059 R)
• M22: 17,467,646 km (0.108 R)
• M23: 20,616,232 km (0.086 R)
• M24: 21,187,397 km (0.097 R)
• M25: 23,655,612 km (0.083 R)
• M26: 24,439,804 km (0.042 R)
• M27: 26,476,130 km (0.088 R)
• M28: 27,664,536 km (0.063 R)
• M29: 28,097,472 km (0.106 R)
• M30: 29,333,749 km (0.055 R)
• M31: 30,056,157 km (0.111 R)
• M32: 31,162,134 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278

Radius: 6.3

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.95 AU - 8.35 AU

Year: 16060 Days

Day: 20.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,668,724 km

• M1: 84,373 km (0.031 R)
• M2: 406,457 km (0.114 R)
• M3: 609,911 km (0.055 R)
• M4: 1,921,585 km (0.106 R)
• M5: 2,215,694 km (0.084 R)
• M6: 3,914,677 km (0.119 R)
• M7: 4,245,737 km (0.073 R)
• M8: 5,090,965 km (0.114 R)
• M9: 5,452,094 km (0.076 R)
• M10: 6,676,703 km (0.065 R)
• M11: 7,729,572 km (0.116 R)
• M12: 13,921,279 km (0.111 R)
• M13: 24,770,565 km (0.087 R)
• M14: 30,024,293 km (0.085 R)
• M15: 31,526,704 km (0.095 R)
• M16: 32,185,683 km (0.104 R)
• M17: 32,407,387 km (0.107 R)
• M18: 33,531,166 km (0.111 R)
• M19: 36,213,905 km (0.057 R)
• M20: 37,057,936 km (0.101 R)
• M21: 40,051,539 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 18,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit