🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.65 AU - 0.77 AU

Year: 225 Days

Day: 38.5 Hours

Environment

Temp: 158 °C

Axial Tilt: 7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.64 AU - 3.92 AU

Year: 2769 Days

Day: 47.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.4

Radius: 8.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.01 AU - 6.47 AU

Year: 5181 Days

Day: 14.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,188,221 km

• M1: 106,364 km (0.119 R)
• M2: 391,498 km (0.08 R)
• M3: 727,794 km (0.093 R)
• M4: 1,072,318 km (0.076 R)
• M5: 1,999,076 km (0.109 R)
• M6: 3,601,868 km (0.081 R)
• M7: 4,150,144 km (0.078 R)
• M8: 4,444,702 km (0.118 R)
• M9: 5,562,198 km (0.099 R)
• M10: 5,894,754 km (0.105 R)
• M11: 7,919,562 km (0.113 R)
• M12: 8,984,100 km (0.105 R)
• M13: 9,335,506 km (0.101 R)
• M14: 10,178,789 km (0.103 R)
• M15: 10,834,027 km (0.073 R)
• M16: 11,599,221 km (0.106 R)
• M17: 12,400,018 km (0.088 R)
• M18: 13,970,945 km (0.118 R)
• M19: 14,395,354 km (0.12 R)
• M20: 17,340,488 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.2

Radius: 14.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.85 AU - 7.27 AU

Year: 5620 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,188,221 km

• M1: 179,069 km (0.102 R)
• M2: 652,546 km (0.093 R)
• M3: 1,181,075 km (0.097 R)
• M4: 1,804,300 km (0.044 R)
• M5: 2,501,725 km (0.119 R)
• M6: 3,505,377 km (0.104 R)
• M7: 3,966,737 km (0.079 R)
• M8: 5,214,683 km (0.112 R)
• M9: 6,106,884 km (0.057 R)
• M10: 6,955,703 km (0.104 R)
• M11: 8,076,789 km (0.077 R)
• M12: 9,057,852 km (0.091 R)
• M13: 11,158,954 km (0.074 R)
• M14: 12,747,235 km (0.1 R)
• M15: 15,866,799 km (0.107 R)
• M16: 17,603,630 km (0.102 R)
• M17: 24,062,818 km (0.119 R)
• M18: 26,002,952 km (0.048 R)
• M19: 28,780,386 km (0.067 R)
• M20: 30,770,786 km (0.086 R)
• M21: 31,849,237 km (0.099 R)
• M22: 32,952,671 km (0.119 R)
• M23: 34,393,897 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.5

Radius: 10.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.39 AU - 7.81 AU

Year: 7893 Days

Day: 11.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,188,221 km

• M1: 128,505 km (0.086 R)
• M2: 2,291,091 km (0.054 R)
• M3: 4,829,019 km (0.099 R)
• M4: 5,206,754 km (0.095 R)
• M5: 6,430,464 km (0.113 R)
• M6: 8,466,940 km (0.118 R)
• M7: 9,631,859 km (0.085 R)
• M8: 11,071,888 km (0.111 R)
• M9: 11,597,276 km (0.117 R)
• M10: 14,894,263 km (0.106 R)
• M11: 16,137,870 km (0.102 R)
• M12: 19,327,746 km (0.1 R)
• M13: 23,841,263 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.5

Radius: 10.4

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.79 AU - 8.59 AU

Year: 8034 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,188,221 km

• M1: 129,402 km (0.118 R)
• M2: 495,019 km (0.098 R)
• M3: 1,298,061 km (0.069 R)
• M4: 3,076,779 km (0.081 R)
• M5: 3,981,847 km (0.084 R)
• M6: 5,024,992 km (0.117 R)
• M7: 5,660,035 km (0.111 R)
• M8: 6,276,678 km (0.088 R)
• M9: 7,889,642 km (0.06 R)
• M10: 8,354,293 km (0.108 R)
• M11: 11,643,801 km (0.076 R)
• M12: 12,698,466 km (0.109 R)
• M13: 14,366,931 km (0.11 R)
• M14: 16,858,782 km (0.118 R)
• M15: 20,166,391 km (0.08 R)
• M16: 23,191,859 km (0.114 R)
• M17: 32,750,115 km (0.089 R)
• M18: 35,408,769 km (0.112 R)
• M19: 40,402,047 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.4

Radius: 10.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.09 AU - 11.15 AU

Year: 12128 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,188,221 km

• M1: 173,833 km (0.12 R)
• M2: 1,294,919 km (0.038 R)
• M3: 1,961,677 km (0.109 R)
• M4: 3,334,088 km (0.063 R)
• M5: 3,926,645 km (0.103 R)
• M6: 5,263,601 km (0.049 R)
• M7: 5,844,190 km (0.065 R)
• M8: 6,500,925 km (0.107 R)
• M9: 12,714,772 km (0.107 R)
• M10: 13,424,614 km (0.052 R)
• M11: 16,212,968 km (0.1 R)
• M12: 18,663,830 km (0.083 R)
• M13: 27,663,638 km (0.04 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: 543 - 17,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit