🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.53 AU - 0.55 AU

Year: 167 Days

Day: 16.2 Hours

Environment

Temp: 84 °C

Axial Tilt: 37.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.87 AU - 2.85 AU

Year: 1529 Days

Day: 34.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.9

Radius: 12.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.63 AU - 4.31 AU

Year: 2726 Days

Day: 13.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,224,486 km

• M1: 220,956 km (0.063 R)
• M2: 713,133 km (0.094 R)
• M3: 1,761,964 km (0.11 R)
• M4: 2,442,484 km (0.118 R)
• M5: 3,405,446 km (0.118 R)
• M6: 5,042,795 km (0.117 R)
• M7: 5,595,260 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.2

Radius: 14.2

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.32 AU - 10.48 AU

Year: 12155 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 86.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,224,486 km

• M1: 230,231 km (0.071 R)
• M2: 763,099 km (0.067 R)
• M3: 1,291,628 km (0.053 R)
• M4: 1,900,641 km (0.103 R)
• M5: 3,898,670 km (0.104 R)
• M6: 4,965,004 km (0.117 R)
• M7: 5,958,782 km (0.106 R)
• M8: 6,484,021 km (0.084 R)
• M9: 7,934,521 km (0.072 R)
• M10: 8,386,307 km (0.119 R)
• M11: 9,145,067 km (0.088 R)
• M12: 10,583,002 km (0.068 R)
• M13: 11,412,971 km (0.11 R)
• M14: 14,296,769 km (0.08 R)
• M15: 15,380,755 km (0.096 R)
• M16: 18,330,377 km (0.103 R)
• M17: 19,527,758 km (0.115 R)
• M18: 27,626,239 km (0.111 R)
• M19: 28,248,566 km (0.098 R)
• M20: 30,942,524 km (0.109 R)
• M21: 32,638,815 km (0.109 R)
• M22: 35,116,754 km (0.104 R)
• M23: 36,961,744 km (0.109 R)
• M24: 40,311,689 km (0.116 R)
• M25: 41,788,071 km (0.115 R)
• M26: 43,161,379 km (0.045 R)
• M27: 45,564,519 km (0.104 R)
• M28: 46,433,683 km (0.108 R)
• M29: 50,174,378 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.4

Radius: 13.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.79 AU - 12.25 AU

Year: 13377 Days

Day: 7.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,224,486 km

• M1: 194,028 km (0.113 R)
• M2: 1,241,064 km (0.1 R)
• M3: 1,938,788 km (0.083 R)
• M4: 4,055,149 km (0.08 R)
• M5: 5,576,709 km (0.032 R)
• M6: 8,389,299 km (0.112 R)
• M7: 10,218,881 km (0.115 R)
• M8: 17,964,460 km (0.116 R)
• M9: 19,218,240 km (0.065 R)
• M10: 22,448,806 km (0.116 R)
• M11: 23,168,222 km (0.051 R)
• M12: 27,267,653 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.5

Radius: 6

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 13.74 AU - 17.92 AU

Year: 26563 Days

Day: 16.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,224,486 km

• M1: 74,649 km (0.117 R)
• M2: 282,740 km (0.11 R)
• M3: 492,327 km (0.098 R)
• M4: 1,506,151 km (0.117 R)
• M5: 1,722,919 km (0.032 R)
• M6: 5,057,156 km (0.095 R)
• M7: 5,582,993 km (0.108 R)
• M8: 6,067,690 km (0.049 R)
• M9: 6,340,107 km (0.038 R)
• M10: 8,102,520 km (0.112 R)
• M11: 13,456,478 km (0.111 R)
• M12: 18,260,814 km (0.081 R)
• M13: 19,915,665 km (0.117 R)
• M14: 20,955,221 km (0.044 R)
• M15: 24,387,594 km (0.107 R)
• M16: 26,907,720 km (0.093 R)
• M17: 34,630,411 km (0.115 R)
• M18: 36,130,878 km (0.106 R)
• M19: 45,607,604 km (0.087 R)
• M20: 48,019,421 km (0.077 R)
• M21: 50,198,463 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.2

Radius: 5.9

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 12.61 AU - 20.09 AU

Year: 27883 Days

Day: 19 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,224,486 km

• M1: 74,350 km (0.059 R)
• M2: 343,926 km (0.12 R)
• M3: 714,779 km (0.107 R)
• M4: 1,401,433 km (0.11 R)
• M5: 2,255,786 km (0.1 R)
• M6: 2,592,980 km (0.061 R)
• M7: 2,856,871 km (0.036 R)
• M8: 3,462,592 km (0.108 R)
• M9: 4,427,199 km (0.116 R)
• M10: 6,104,042 km (0.06 R)
• M11: 8,249,874 km (0.027 R)
• M12: 8,466,940 km (0.116 R)
• M13: 8,822,086 km (0.06 R)
• M14: 9,326,829 km (0.101 R)
• M15: 11,975,908 km (0.096 R)
• M16: 12,998,858 km (0.095 R)
• M17: 14,202,373 km (0.086 R)
• M18: 15,942,346 km (0.038 R)
• M19: 21,924,316 km (0.11 R)
• M20: 24,327,905 km (0.087 R)
• M21: 26,429,306 km (0.118 R)
• M22: 26,806,742 km (0.08 R)
• M23: 28,254,101 km (0.114 R)
• M24: 32,582,416 km (0.085 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 10,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit