🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.55 AU - 0.83 AU

Year: 210 Days

Day: 15.2 Hours

Environment

Temp: 159 °C

Axial Tilt: 44.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,189,448 km

• M1: 184,903 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.72 AU - 0.82 AU

Year: 248 Days

Day: 19.6 Hours

Environment

Temp: 179 °C

Axial Tilt: 46.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,189,448 km

• M1: 13,613 km (0.037 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.2 AU - 1.8 AU

Year: 674 Days

Day: 15.1 Hours

Environment

Temp: -34 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,189,448 km

• M1: 90,656 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.95 AU - 2.61 AU

Year: 1264 Days

Day: 12.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,189,448 km

• M1: 350,358 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 9.5

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.29 AU - 7.51 AU

Year: 5944 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,189,448 km

• M1: 118,182 km (0.118 R)
• M2: 507,137 km (0.119 R)
• M3: 840,740 km (0.071 R)
• M4: 1,291,628 km (0.065 R)
• M5: 1,619,995 km (0.07 R)
• M6: 2,161,988 km (0.045 R)
• M7: 2,575,327 km (0.109 R)
• M8: 5,488,895 km (0.072 R)
• M9: 6,536,380 km (0.102 R)
• M10: 6,889,580 km (0.106 R)
• M11: 7,557,535 km (0.086 R)
• M12: 8,851,108 km (0.061 R)
• M13: 9,867,924 km (0.099 R)
• M14: 10,668,273 km (0.077 R)
• M15: 11,511,257 km (0.117 R)
• M16: 12,185,345 km (0.12 R)
• M17: 12,885,463 km (0.092 R)
• M18: 16,404,454 km (0.067 R)
• M19: 18,071,872 km (0.05 R)
• M20: 18,488,352 km (0.116 R)
• M21: 23,419,547 km (0.076 R)
• M22: 26,674,497 km (0.118 R)
• M23: 28,973,218 km (0.059 R)
• M24: 29,639,826 km (0.059 R)
• M25: 33,855,943 km (0.071 R)
• M26: 34,489,191 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.2

Radius: 13

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.72 AU - 8.92 AU

Year: 9616 Days

Day: 8.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,189,448 km

• M1: 161,715 km (0.105 R)
• M2: 606,320 km (0.106 R)
• M3: 1,095,056 km (0.036 R)
• M4: 2,090,481 km (0.064 R)
• M5: 3,499,393 km (0.069 R)
• M6: 4,053,205 km (0.088 R)
• M7: 4,932,990 km (0.091 R)
• M8: 5,565,639 km (0.114 R)
• M9: 6,110,175 km (0.052 R)
• M10: 7,835,039 km (0.098 R)
• M11: 8,742,799 km (0.111 R)
• M12: 9,199,222 km (0.118 R)
• M13: 9,913,701 km (0.095 R)
• M14: 10,359,802 km (0.095 R)
• M15: 11,292,694 km (0.1 R)
• M16: 12,000,741 km (0.079 R)
• M17: 13,206,650 km (0.106 R)
• M18: 14,054,570 km (0.071 R)
• M19: 15,658,559 km (0.069 R)
• M20: 16,264,879 km (0.083 R)
• M21: 16,747,182 km (0.069 R)
• M22: 17,958,626 km (0.048 R)
• M23: 18,773,037 km (0.093 R)
• M24: 21,282,840 km (0.105 R)
• M25: 22,618,151 km (0.101 R)
• M26: 35,841,107 km (0.087 R)
• M27: 36,658,958 km (0.099 R)
• M28: 44,993,953 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 11.4

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 11.03 AU - 11.05 AU

Year: 13466 Days

Day: 10.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,189,448 km

• M1: 141,819 km (0.096 R)
• M2: 560,543 km (0.101 R)
• M3: 1,028,635 km (0.117 R)
• M4: 2,237,386 km (0.072 R)
• M5: 3,386,896 km (0.052 R)
• M6: 4,048,866 km (0.077 R)
• M7: 5,667,665 km (0.101 R)
• M8: 6,083,846 km (0.045 R)
• M9: 8,875,043 km (0.117 R)
• M10: 9,333,710 km (0.061 R)
• M11: 9,808,085 km (0.107 R)
• M12: 10,243,265 km (0.039 R)
• M13: 10,691,311 km (0.103 R)
• M14: 13,328,123 km (0.118 R)
• M15: 19,168,274 km (0.09 R)
• M16: 20,724,242 km (0.103 R)
• M17: 21,081,182 km (0.096 R)
• M18: 25,181,810 km (0.104 R)
• M19: 26,310,526 km (0.108 R)
• M20: 27,258,826 km (0.109 R)
• M21: 29,112,045 km (0.095 R)
• M22: 35,555,076 km (0.081 R)
• M23: 37,897,928 km (0.043 R)
• M24: 39,243,112 km (0.082 R)
• M25: 44,054,778 km (0.081 R)
• M26: 53,816,039 km (0.1 R)
• M27: 56,203,621 km (0.086 R)
• M28: 59,376,292 km (0.069 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 16,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit