🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.2

Radius: 13.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.77 AU - 0.95 AU

Year: 515 Days

Day: 6.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,457,823 km

• M1: 183,407 km (0.116 R)
• M2: 735,573 km (0.04 R)
• M3: 1,227,600 km (0.089 R)
• M4: 2,044,853 km (0.063 R)
• M5: 2,627,986 km (0.105 R)
• M6: 3,750,867 km (0.066 R)
• M7: 4,175,426 km (0.089 R)
• M8: 5,139,136 km (0.107 R)
• M9: 6,060,359 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.6

Radius: 12.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.79 AU - 1.01 AU

Year: 551 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,457,823 km

• M1: 160,369 km (0.097 R)
• M2: 564,433 km (0.107 R)
• M3: 1,078,451 km (0.113 R)
• M4: 1,586,934 km (0.082 R)
• M5: 2,093,921 km (0.101 R)
• M6: 3,071,095 km (0.115 R)
• M7: 3,895,977 km (0.083 R)
• M8: 4,302,884 km (0.066 R)
• M9: 5,421,576 km (0.054 R)
• M10: 5,894,754 km (0.119 R)
• M11: 6,568,693 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484

Radius: 11.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.4 AU - 2.24 AU

Year: 1585 Days

Day: 5.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,457,823 km

• M1: 143,016 km (0.112 R)
• M2: 749,186 km (0.03 R)
• M3: 1,588,580 km (0.089 R)
• M4: 2,068,041 km (0.094 R)
• M5: 2,493,198 km (0.117 R)
• M6: 2,935,260 km (0.083 R)
• M7: 3,308,357 km (0.107 R)
• M8: 4,151,491 km (0.096 R)
• M9: 5,699,380 km (0.093 R)
• M10: 6,835,276 km (0.098 R)
• M11: 7,366,050 km (0.102 R)
• M12: 7,842,818 km (0.09 R)
• M13: 10,608,883 km (0.059 R)
• M14: 11,566,010 km (0.114 R)
• M15: 12,321,030 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776

Radius: 10.6

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.73 AU - 2.89 AU

Year: 3041 Days

Day: 9.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,457,823 km

• M1: 131,796 km (0.064 R)
• M2: 499,956 km (0.12 R)
• M3: 910,153 km (0.107 R)
• M4: 1,260,661 km (0.106 R)
• M5: 1,905,578 km (0.113 R)
• M6: 2,318,617 km (0.03 R)
• M7: 2,726,720 km (0.088 R)
• M8: 3,218,449 km (0.037 R)
• M9: 4,336,393 km (0.036 R)
• M10: 5,383,279 km (0.074 R)
• M11: 5,884,283 km (0.052 R)
• M12: 6,244,814 km (0.112 R)
• M13: 6,858,614 km (0.119 R)
• M14: 7,258,489 km (0.041 R)
• M15: 7,641,310 km (0.11 R)
• M16: 8,907,656 km (0.082 R)
• M17: 10,549,193 km (0.064 R)
• M18: 12,071,351 km (0.114 R)
• M19: 14,124,732 km (0.08 R)
• M20: 14,773,538 km (0.096 R)
• M21: 16,509,771 km (0.056 R)
• M22: 17,117,736 km (0.09 R)
• M23: 18,086,532 km (0.103 R)
• M24: 20,699,708 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205

Radius: 9.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.55 AU - 6.93 AU

Year: 8879 Days

Day: 5.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,457,823 km

• M1: 124,765 km (0.095 R)
• M2: 466,895 km (0.091 R)
• M3: 1,097,600 km (0.114 R)
• M4: 1,591,871 km (0.11 R)
• M5: 2,230,205 km (0.117 R)
• M6: 7,323,414 km (0.077 R)
• M7: 15,281,273 km (0.094 R)
• M8: 19,815,285 km (0.111 R)
• M9: 28,054,986 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.2

Radius: 14.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.64 AU - 6.18 AU

Year: 9277 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,457,823 km

• M1: 180,864 km (0.041 R)
• M2: 641,176 km (0.091 R)
• M3: 1,372,411 km (0.118 R)
• M4: 2,337,168 km (0.045 R)
• M5: 2,908,781 km (0.108 R)
• M6: 3,669,486 km (0.102 R)
• M7: 4,644,864 km (0.102 R)
• M8: 7,618,870 km (0.068 R)
• M9: 8,194,971 km (0.076 R)
• M10: 8,755,963 km (0.114 R)
• M11: 10,395,107 km (0.027 R)
• M12: 11,053,338 km (0.108 R)
• M13: 16,468,482 km (0.114 R)
• M14: 20,876,084 km (0.109 R)
• M15: 23,265,012 km (0.103 R)
• M16: 23,781,274 km (0.092 R)
• M17: 27,707,171 km (0.045 R)
• M18: 29,172,931 km (0.036 R)
• M19: 29,672,738 km (0.062 R)
• M20: 38,950,050 km (0.083 R)
• M21: 39,800,813 km (0.088 R)
• M22: 43,328,181 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 11,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit