🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.9

Radius: 9.4

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.13 AU - 1.17 AU

Year: 796 Days

Day: 7.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,253,333 km

• M1: 116,986 km (0.101 R)
• M2: 481,107 km (0.046 R)
• M3: 833,410 km (0.052 R)
• M4: 1,360,892 km (0.107 R)
• M5: 1,824,196 km (0.064 R)
• M6: 2,272,691 km (0.097 R)
• M7: 2,638,757 km (0.026 R)
• M8: 2,954,558 km (0.094 R)
• M9: 3,364,456 km (0.116 R)
• M10: 3,857,381 km (0.093 R)
• M11: 4,617,338 km (0.088 R)
• M12: 5,171,150 km (0.103 R)
• M13: 5,512,682 km (0.081 R)
• M14: 5,930,060 km (0.111 R)
• M15: 6,304,503 km (0.028 R)
• M16: 7,547,661 km (0.084 R)
• M17: 8,419,667 km (0.085 R)
• M18: 9,246,644 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25

Radius: 14.4

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.28 AU - 1.5 AU

Year: 1058 Days

Day: 7.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,253,333 km

• M1: 179,817 km (0.093 R)
• M2: 890,556 km (0.115 R)
• M3: 1,460,973 km (0.119 R)
• M4: 2,633,371 km (0.048 R)
• M5: 3,139,611 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 8.4

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.28 AU - 1.56 AU

Year: 1093 Days

Day: 11.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,253,333 km

• M1: 104,419 km (0.055 R)
• M2: 372,200 km (0.103 R)
• M3: 660,325 km (0.093 R)
• M4: 986,149 km (0.084 R)
• M5: 1,300,005 km (0.079 R)
• M6: 1,708,856 km (0.114 R)
• M7: 2,327,294 km (0.092 R)
• M8: 2,707,871 km (0.058 R)
• M9: 3,129,737 km (0.119 R)
• M10: 3,705,988 km (0.072 R)
• M11: 4,872,851 km (0.101 R)
• M12: 5,311,472 km (0.083 R)
• M13: 5,604,235 km (0.084 R)
• M14: 5,951,901 km (0.071 R)
• M15: 6,860,110 km (0.077 R)
• M16: 7,911,483 km (0.078 R)
• M17: 9,274,769 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.9

Radius: 14.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.5 AU - 2.22 AU

Year: 1638 Days

Day: 12.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,253,333 km

• M1: 180,265 km (0.105 R)
• M2: 689,197 km (0.085 R)
• M3: 1,270,684 km (0.095 R)
• M4: 1,799,064 km (0.09 R)
• M5: 2,288,548 km (0.11 R)
• M6: 2,769,356 km (0.057 R)
• M7: 3,271,107 km (0.107 R)
• M8: 3,993,515 km (0.096 R)
• M9: 4,820,343 km (0.12 R)
• M10: 5,330,023 km (0.113 R)
• M11: 6,559,268 km (0.087 R)
• M12: 7,655,970 km (0.077 R)
• M13: 9,444,562 km (0.08 R)
• M14: 10,629,527 km (0.038 R)
• M15: 13,960,623 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.9

Radius: 10.8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.86 AU - 2.28 AU

Year: 1923 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,253,333 km

• M1: 151,692 km (0.074 R)
• M2: 582,385 km (0.117 R)
• M3: 947,254 km (0.065 R)
• M4: 2,288,698 km (0.115 R)
• M5: 3,520,337 km (0.103 R)
• M6: 4,807,926 km (0.047 R)
• M7: 6,032,983 km (0.068 R)
• M8: 7,183,690 km (0.089 R)
• M9: 9,032,570 km (0.102 R)
• M10: 9,794,173 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.9

Radius: 5.3

Gravity: 28.58 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.28 AU - 8.06 AU

Year: 11123 Days

Day: 15.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,253,333 km

• M1: 87,066 km (0.072 R)
• M2: 313,707 km (0.113 R)
• M3: 499,358 km (0.046 R)
• M4: 833,859 km (0.066 R)
• M5: 1,074,262 km (0.086 R)
• M6: 1,415,046 km (0.102 R)
• M7: 1,841,550 km (0.1 R)
• M8: 2,573,083 km (0.054 R)
• M9: 2,788,504 km (0.078 R)
• M10: 4,344,173 km (0.104 R)
• M11: 4,650,399 km (0.109 R)
• M12: 4,840,987 km (0.112 R)
• M13: 5,479,022 km (0.044 R)
• M14: 9,081,339 km (0.071 R)
• M15: 10,207,063 km (0.068 R)
• M16: 21,935,087 km (0.096 R)
• M17: 23,665,635 km (0.084 R)
• M18: 28,018,484 km (0.074 R)
• M19: 38,783,697 km (0.118 R)
• M20: 39,436,991 km (0.031 R)
• M21: 42,952,690 km (0.066 R)
• M22: 53,283,770 km (0.107 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: 258 - 14,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit