🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.48 AU - 0.54 AU

Year: 232 Days

Day: 29.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,289,339 km

• M1: 24,085 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 11

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.77 AU - 1.04 AU

Year: 543 Days

Day: 6.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 108.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,289,339 km

• M1: 136,732 km (0.102 R)
• M2: 509,381 km (0.08 R)
• M3: 878,887 km (0.05 R)
• M4: 1,613,862 km (0.103 R)
• M5: 2,150,320 km (0.118 R)
• M6: 2,685,581 km (0.05 R)
• M7: 3,106,998 km (0.095 R)
• M8: 3,465,135 km (0.095 R)
• M9: 3,989,775 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.5

Radius: 12.2

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.05 AU - 1.23 AU

Year: 774 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,289,339 km

• M1: 151,692 km (0.118 R)
• M2: 655,687 km (0.053 R)
• M3: 1,268,889 km (0.079 R)
• M4: 1,879,847 km (0.111 R)
• M5: 2,680,794 km (0.086 R)
• M6: 3,427,586 km (0.094 R)
• M7: 4,294,506 km (0.068 R)
• M8: 5,079,596 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.2

Radius: 8.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.3 AU - 1.84 AU

Year: 1251 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,289,339 km

• M1: 107,112 km (0.106 R)
• M2: 400,473 km (0.085 R)
• M3: 931,546 km (0.093 R)
• M4: 1,963,622 km (0.118 R)
• M5: 2,543,313 km (0.086 R)
• M6: 3,749,222 km (0.107 R)
• M7: 4,493,172 km (0.106 R)
• M8: 5,137,041 km (0.071 R)
• M9: 5,498,171 km (0.09 R)
• M10: 5,841,049 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 10.8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.07 AU - 4.13 AU

Year: 4343 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,289,339 km

• M1: 134,937 km (0.11 R)
• M2: 487,240 km (0.111 R)
• M3: 1,067,680 km (0.116 R)
• M4: 1,456,485 km (0.069 R)
• M5: 2,031,240 km (0.118 R)
• M6: 2,612,128 km (0.083 R)
• M7: 3,017,838 km (0.112 R)
• M8: 3,636,126 km (0.047 R)
• M9: 4,455,623 km (0.08 R)
• M10: 5,214,084 km (0.074 R)
• M11: 5,695,041 km (0.032 R)
• M12: 6,031,936 km (0.111 R)
• M13: 6,588,440 km (0.088 R)
• M14: 6,987,417 km (0.098 R)
• M15: 7,430,526 km (0.052 R)
• M16: 7,833,692 km (0.056 R)
• M17: 9,729,696 km (0.086 R)
• M18: 10,212,897 km (0.109 R)
• M19: 11,991,915 km (0.075 R)
• M20: 12,547,671 km (0.093 R)
• M21: 13,582,739 km (0.093 R)
• M22: 14,853,722 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.9

Radius: 9.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.53 AU - 4.83 AU

Year: 6437 Days

Day: 14.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,289,339 km

• M1: 115,639 km (0.104 R)
• M2: 692,937 km (0.104 R)
• M3: 1,044,642 km (0.119 R)
• M4: 1,442,273 km (0.05 R)
• M5: 2,152,564 km (0.067 R)
• M6: 2,486,466 km (0.083 R)
• M7: 3,115,076 km (0.112 R)
• M8: 4,208,039 km (0.116 R)
• M9: 4,500,353 km (0.051 R)
• M10: 4,976,523 km (0.08 R)
• M11: 5,699,380 km (0.057 R)
• M12: 6,257,230 km (0.109 R)
• M13: 8,571,958 km (0.075 R)
• M14: 9,342,537 km (0.112 R)
• M15: 10,769,850 km (0.085 R)
• M16: 12,337,336 km (0.06 R)
• M17: 12,986,142 km (0.051 R)
• M18: 14,301,556 km (0.093 R)
• M19: 15,069,592 km (0.119 R)
• M20: 17,770,731 km (0.105 R)
• M21: 19,575,031 km (0.112 R)
• M22: 20,329,752 km (0.088 R)
• M23: 21,234,819 km (0.114 R)
• M24: 22,166,365 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 8.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.87 AU - 6.89 AU

Year: 9066 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,289,339 km

• M1: 108,458 km (0.038 R)
• M2: 398,230 km (0.073 R)
• M3: 770,279 km (0.066 R)
• M4: 1,260,960 km (0.095 R)
• M5: 2,733,303 km (0.119 R)
• M6: 4,221,951 km (0.083 R)
• M7: 4,830,066 km (0.089 R)
• M8: 5,586,583 km (0.102 R)
• M9: 6,589,337 km (0.089 R)
• M10: 7,223,932 km (0.115 R)
• M11: 8,863,375 km (0.038 R)
• M12: 9,201,615 km (0.12 R)
• M13: 9,592,515 km (0.118 R)
• M14: 13,570,472 km (0.085 R)
• M15: 15,612,931 km (0.098 R)
• M16: 18,529,342 km (0.116 R)
• M17: 19,153,315 km (0.096 R)
• M18: 21,034,807 km (0.085 R)
• M19: 22,878,002 km (0.086 R)
• M20: 25,245,688 km (0.062 R)
• M21: 27,236,237 km (0.108 R)
• M22: 32,217,098 km (0.09 R)
• M23: 32,917,216 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 14,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit