🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.8

Radius: 10.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.59 AU - 0.61 AU

Year: 327 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,621,071 km

• M1: 134,339 km (0.066 R)
• M2: 480,508 km (0.071 R)
• M3: 893,698 km (0.073 R)
• M4: 1,370,167 km (0.094 R)
• M5: 1,756,728 km (0.113 R)
• M6: 2,094,370 km (0.089 R)
• M7: 2,467,318 km (0.113 R)
• M8: 3,863,963 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.6

Radius: 9.6

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.57 AU - 0.67 AU

Year: 343 Days

Day: 13.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,621,071 km

• M1: 119,379 km (0.098 R)
• M2: 686,056 km (0.094 R)
• M3: 1,214,884 km (0.025 R)
• M4: 1,541,606 km (0.102 R)
• M5: 1,857,706 km (0.089 R)
• M6: 2,182,932 km (0.085 R)
• M7: 2,604,200 km (0.088 R)
• M8: 3,003,327 km (0.107 R)
• M9: 3,648,094 km (0.109 R)
• M10: 4,190,087 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.5

Radius: 10.7

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.57 AU - 0.83 AU

Year: 412 Days

Day: 10.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,621,071 km

• M1: 133,142 km (0.087 R)
• M2: 466,446 km (0.095 R)
• M3: 934,089 km (0.095 R)
• M4: 1,777,671 km (0.099 R)
• M5: 2,142,242 km (0.085 R)
• M6: 2,518,031 km (0.101 R)
• M7: 2,938,102 km (0.101 R)
• M8: 3,333,489 km (0.091 R)
• M9: 4,287,924 km (0.068 R)
• M10: 4,634,093 km (0.112 R)
• M11: 5,366,375 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.9

Radius: 12.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.83 AU - 0.91 AU

Year: 570 Days

Day: 8.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,621,071 km

• M1: 159,172 km (0.12 R)
• M2: 654,491 km (0.117 R)
• M3: 1,849,179 km (0.078 R)
• M4: 2,540,920 km (0.069 R)
• M5: 2,953,511 km (0.08 R)
• M6: 3,399,612 km (0.075 R)
• M7: 3,853,342 km (0.073 R)
• M8: 4,320,686 km (0.051 R)
• M9: 4,957,973 km (0.115 R)
• M10: 5,417,088 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.1

Radius: 10.4

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.83 AU - 0.99 AU

Year: 610 Days

Day: 9.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,621,071 km

• M1: 129,851 km (0.11 R)
• M2: 462,557 km (0.068 R)
• M3: 893,997 km (0.116 R)
• M4: 1,395,299 km (0.065 R)
• M5: 1,720,525 km (0.1 R)
• M6: 2,069,088 km (0.049 R)
• M7: 2,539,573 km (0.108 R)
• M8: 3,359,669 km (0.106 R)
• M9: 3,939,810 km (0.069 R)
• M10: 4,285,081 km (0.113 R)
• M11: 4,849,514 km (0.09 R)
• M12: 5,372,359 km (0.088 R)
• M13: 5,970,900 km (0.084 R)
• M14: 6,510,200 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 8.5

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.09 AU - 1.77 AU

Year: 1202 Days

Day: 11.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,621,071 km

• M1: 113,246 km (0.117 R)
• M2: 470,635 km (0.03 R)
• M3: 779,255 km (0.109 R)
• M4: 1,326,335 km (0.097 R)
• M5: 2,038,869 km (0.06 R)
• M6: 3,454,963 km (0.117 R)
• M7: 3,738,002 km (0.05 R)
• M8: 4,020,592 km (0.11 R)
• M9: 5,735,882 km (0.109 R)
• M10: 6,801,318 km (0.12 R)
• M11: 8,278,896 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.3

Radius: 13.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.28 AU - 5.88 AU

Year: 8048 Days

Day: 6.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,621,071 km

• M1: 165,754 km (0.082 R)
• M2: 580,739 km (0.098 R)
• M3: 1,281,306 km (0.088 R)
• M4: 1,716,935 km (0.072 R)
• M5: 2,172,311 km (0.079 R)
• M6: 2,881,405 km (0.038 R)
• M7: 3,443,893 km (0.111 R)
• M8: 3,955,667 km (0.098 R)
• M9: 4,626,165 km (0.116 R)
• M10: 5,401,680 km (0.103 R)
• M11: 6,329,336 km (0.082 R)
• M12: 7,065,507 km (0.083 R)
• M13: 7,511,309 km (0.116 R)
• M14: 12,631,147 km (0.104 R)
• M15: 13,402,024 km (0.099 R)
• M16: 14,262,511 km (0.081 R)
• M17: 15,715,556 km (0.094 R)
• M18: 16,478,056 km (0.101 R)
• M19: 17,132,247 km (0.053 R)
• M20: 17,871,859 km (0.039 R)
• M21: 18,632,564 km (0.062 R)
• M22: 20,516,450 km (0.113 R)
• M23: 21,350,608 km (0.092 R)
• M24: 22,286,343 km (0.096 R)
• M25: 23,494,196 km (0.081 R)
• M26: 24,072,541 km (0.118 R)
• M27: 29,331,655 km (0.066 R)
• M28: 37,508,824 km (0.104 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: 288 - 10,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit