🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.2

Radius: 10.1

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.76 AU - 0.98 AU

Year: 532 Days

Day: 12.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,320,147 km

• M1: 125,662 km (0.098 R)
• M2: 485,445 km (0.091 R)
• M3: 1,091,765 km (0.042 R)
• M4: 1,799,962 km (0.111 R)
• M5: 2,724,177 km (0.09 R)
• M6: 3,924,251 km (0.064 R)
• M7: 4,239,903 km (0.102 R)
• M8: 5,222,312 km (0.104 R)
• M9: 6,545,954 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 10.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.12 AU - 1.22 AU

Year: 830 Days

Day: 13.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,320,147 km

• M1: 128,056 km (0.074 R)
• M2: 630,705 km (0.086 R)
• M3: 961,615 km (0.105 R)
• M4: 1,438,683 km (0.111 R)
• M5: 2,279,273 km (0.073 R)
• M6: 2,721,036 km (0.06 R)
• M7: 3,254,053 km (0.077 R)
• M8: 3,701,799 km (0.056 R)
• M9: 4,588,167 km (0.119 R)
• M10: 5,136,742 km (0.071 R)

Asteroid Belt

Center: 1.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 10.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.28 AU - 2.48 AU

Year: 2409 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,320,147 km

• M1: 133,142 km (0.059 R)
• M2: 929,302 km (0.077 R)
• M3: 1,420,432 km (0.1 R)
• M4: 2,579,516 km (0.108 R)
• M5: 3,583,019 km (0.109 R)
• M6: 4,283,735 km (0.096 R)
• M7: 4,894,842 km (0.114 R)
• M8: 5,279,458 km (0.075 R)
• M9: 5,635,651 km (0.032 R)
• M10: 6,239,129 km (0.06 R)
• M11: 6,692,261 km (0.065 R)
• M12: 7,784,924 km (0.091 R)
• M13: 8,405,904 km (0.08 R)
• M14: 10,321,355 km (0.085 R)
• M15: 12,181,306 km (0.092 R)
• M16: 14,118,748 km (0.029 R)
• M17: 15,761,632 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.7

Radius: 14.3

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.39 AU - 5.29 AU

Year: 5931 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,320,147 km

• M1: 178,021 km (0.103 R)
• M2: 747,391 km (0.091 R)
• M3: 2,271,644 km (0.113 R)
• M4: 3,254,950 km (0.105 R)
• M5: 4,890,654 km (0.103 R)
• M6: 5,523,752 km (0.114 R)
• M7: 6,559,717 km (0.087 R)
• M8: 7,401,355 km (0.103 R)
• M9: 9,758,419 km (0.109 R)
• M10: 11,177,803 km (0.06 R)
• M11: 12,083,469 km (0.1 R)
• M12: 12,680,215 km (0.057 R)
• M13: 14,757,082 km (0.114 R)
• M14: 16,928,944 km (0.115 R)
• M15: 17,803,792 km (0.068 R)
• M16: 18,446,913 km (0.05 R)
• M17: 23,088,636 km (0.088 R)
• M18: 23,545,807 km (0.077 R)
• M19: 24,715,214 km (0.085 R)
• M20: 27,085,592 km (0.051 R)
• M21: 29,336,442 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.6

Radius: 5.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.44 AU - 7.2 AU

Year: 11684 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,320,147 km

• M1: 73,453 km (0.072 R)
• M2: 373,247 km (0.116 R)
• M3: 1,140,235 km (0.111 R)
• M4: 1,662,481 km (0.11 R)
• M5: 2,456,846 km (0.117 R)
• M6: 3,560,729 km (0.112 R)
• M7: 3,811,604 km (0.064 R)
• M8: 4,279,397 km (0.111 R)
• M9: 5,064,636 km (0.098 R)
• M10: 6,726,070 km (0.109 R)
• M11: 7,175,911 km (0.085 R)
• M12: 7,783,428 km (0.091 R)
• M13: 10,474,544 km (0.084 R)
• M14: 11,211,014 km (0.04 R)
• M15: 11,751,362 km (0.105 R)
• M16: 13,678,033 km (0.113 R)
• M17: 16,086,259 km (0.098 R)
• M18: 16,427,342 km (0.106 R)
• M19: 18,144,427 km (0.105 R)
• M20: 18,700,631 km (0.103 R)
• M21: 23,349,535 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.1

Radius: 4.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.18 AU - 9.02 AU

Year: 13745 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,320,147 km

• M1: 61,634 km (0.105 R)
• M2: 491,878 km (0.081 R)
• M3: 1,040,154 km (0.093 R)
• M4: 1,381,387 km (0.055 R)
• M5: 1,752,090 km (0.067 R)
• M6: 2,075,222 km (0.098 R)
• M7: 4,656,982 km (0.077 R)
• M8: 6,172,558 km (0.101 R)
• M9: 6,370,177 km (0.049 R)
• M10: 6,777,980 km (0.069 R)
• M11: 7,166,935 km (0.037 R)
• M12: 7,496,050 km (0.083 R)
• M13: 9,252,030 km (0.102 R)
• M14: 17,208,692 km (0.08 R)
• M15: 19,862,109 km (0.041 R)
• M16: 21,397,881 km (0.075 R)
• M17: 21,699,171 km (0.096 R)
• M18: 22,854,067 km (0.096 R)
• M19: 25,369,705 km (0.118 R)
• M20: 30,371,061 km (0.111 R)
• M21: 31,716,544 km (0.08 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 13,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit