🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.95 AU - 1.43 AU

Year: 492 Days

Day: 24.3 Hours

Environment

Temp: -12 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.01 AU - 2.49 AU

Year: 1278 Days

Day: 20.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.4

Radius: 8.1

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.61 AU - 6.13 AU

Year: 4713 Days

Day: 13.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 106,032,200 km

• M1: 100,679 km (0.115 R)
• M2: 466,446 km (0.113 R)
• M3: 736,919 km (0.076 R)
• M4: 1,584,092 km (0.119 R)
• M5: 2,057,270 km (0.073 R)
• M6: 2,621,703 km (0.05 R)
• M7: 3,515,849 km (0.114 R)
• M8: 4,103,918 km (0.084 R)
• M9: 5,417,537 km (0.113 R)
• M10: 6,296,874 km (0.102 R)
• M11: 9,421,375 km (0.057 R)
• M12: 10,688,768 km (0.091 R)
• M13: 12,516,704 km (0.078 R)
• M14: 12,771,769 km (0.104 R)
• M15: 13,187,202 km (0.087 R)
• M16: 14,939,591 km (0.08 R)
• M17: 15,931,126 km (0.119 R)
• M18: 16,230,920 km (0.1 R)
• M19: 16,595,789 km (0.043 R)
• M20: 18,502,115 km (0.114 R)
• M21: 19,034,235 km (0.1 R)
• M22: 20,691,629 km (0.117 R)
• M23: 22,820,108 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.5

Radius: 3.4

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 9.79 AU - 14.83 AU

Year: 16358 Days

Day: 16.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 106,032,200 km

• M1: 42,785 km (0.051 R)
• M2: 558,898 km (0.091 R)
• M3: 702,811 km (0.106 R)
• M4: 1,492,239 km (0.107 R)
• M5: 1,814,323 km (0.105 R)
• M6: 4,921,770 km (0.065 R)
• M7: 6,708,717 km (0.095 R)
• M8: 6,918,902 km (0.117 R)
• M9: 7,205,830 km (0.106 R)
• M10: 8,637,332 km (0.077 R)
• M11: 9,054,411 km (0.06 R)
• M12: 9,484,954 km (0.107 R)
• M13: 9,794,173 km (0.094 R)
• M14: 10,667,675 km (0.044 R)
• M15: 11,792,950 km (0.108 R)
• M16: 14,858,958 km (0.103 R)
• M17: 18,212,942 km (0.073 R)
• M18: 20,464,241 km (0.054 R)
• M19: 21,429,596 km (0.089 R)
• M20: 22,424,721 km (0.11 R)
• M21: 22,737,081 km (0.1 R)
• M22: 23,211,007 km (0.078 R)
• M23: 23,772,149 km (0.087 R)
• M24: 25,256,459 km (0.09 R)
• M25: 29,984,051 km (0.061 R)
• M26: 30,362,982 km (0.08 R)
• M27: 31,812,735 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534

Radius: 3.2

Gravity: 52.15 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 13.27 AU - 15.65 AU

Year: 20826 Days

Day: 15.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 106,032,200 km

• M1: 39,943 km (0.064 R)
• M2: 183,557 km (0.069 R)
• M3: 307,573 km (0.092 R)
• M4: 696,228 km (0.04 R)
• M5: 1,136,495 km (0.037 R)
• M6: 3,229,519 km (0.111 R)
• M7: 4,016,404 km (0.073 R)
• M8: 4,239,753 km (0.112 R)
• M9: 5,291,127 km (0.116 R)
• M10: 6,248,703 km (0.118 R)
• M11: 6,679,695 km (0.047 R)
• M12: 10,866,041 km (0.083 R)
• M13: 11,488,069 km (0.091 R)
• M14: 13,077,247 km (0.114 R)
• M15: 14,582,950 km (0.117 R)
• M16: 15,570,745 km (0.048 R)
• M17: 17,933,344 km (0.103 R)
• M18: 20,994,715 km (0.111 R)
• M19: 22,251,636 km (0.087 R)
• M20: 22,748,151 km (0.119 R)
• M21: 22,948,762 km (0.12 R)
• M22: 24,491,565 km (0.106 R)
• M23: 28,823,471 km (0.111 R)
• M24: 29,771,023 km (0.103 R)
• M25: 31,978,490 km (0.063 R)
• M26: 32,104,301 km (0.1 R)
• M27: 32,610,541 km (0.068 R)
• M28: 36,441,293 km (0.106 R)
• M29: 43,268,491 km (0.081 R)
• M30: 56,212,148 km (0.098 R)
• M31: 63,455,976 km (0.078 R)
• M32: 65,663,293 km (0.036 R)
• M33: 70,655,822 km (0.052 R)
• M34: 71,511,821 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.8

Radius: 5

Gravity: 36.23 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 16.12 AU - 19.62 AU

Year: 28611 Days

Day: 17.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 106,032,200 km

• M1: 62,233 km (0.085 R)
• M2: 259,403 km (0.043 R)
• M3: 555,756 km (0.03 R)
• M4: 1,057,657 km (0.118 R)
• M5: 1,490,743 km (0.04 R)
• M6: 2,124,888 km (0.109 R)
• M7: 3,633,134 km (0.114 R)
• M8: 4,010,569 km (0.109 R)
• M9: 4,683,909 km (0.1 R)
• M10: 5,785,698 km (0.056 R)
• M11: 7,581,620 km (0.1 R)
• M12: 8,139,770 km (0.109 R)
• M13: 8,370,450 km (0.08 R)
• M14: 8,845,124 km (0.078 R)
• M15: 10,994,247 km (0.032 R)
• M16: 11,276,388 km (0.096 R)
• M17: 12,914,934 km (0.088 R)
• M18: 13,229,089 km (0.078 R)
• M19: 13,790,979 km (0.117 R)
• M20: 14,285,250 km (0.109 R)
• M21: 25,809,821 km (0.06 R)
• M22: 26,433,645 km (0.052 R)
• M23: 30,114,650 km (0.086 R)
• M24: 32,652,877 km (0.115 R)
• M25: 36,879,166 km (0.085 R)
• M26: 49,389,587 km (0.111 R)
• M27: 57,007,111 km (0.079 R)
• M28: 59,782,600 km (0.112 R)
• M29: 70,568,158 km (0.051 R)
• M30: 72,277,762 km (0.089 R)
• M31: 75,525,831 km (0.111 R)
• M32: 76,288,930 km (0.108 R)
• M33: 76,544,443 km (0.077 R)
• M34: 97,377,592 km (0.037 R)
• M35: 104,765,633 km (0.105 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 14,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit