🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.52 AU - 0.78 AU

Year: 333 Days

Day: 26.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.9

Radius: 14.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.84 AU - 0.84 AU

Year: 489 Days

Day: 10.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 24,730,613 km

• M1: 255,663 km (0.054 R)
• M2: 353,350 km (0.039 R)
• M3: 463,753 km (0.088 R)
• M4: 561,142 km (0.07 R)
• M5: 664,215 km (0.096 R)
• M6: 818,001 km (0.114 R)
• M7: 977,024 km (0.081 R)
• M8: 1,093,710 km (0.062 R)
• M9: 1,206,656 km (0.106 R)
• M10: 1,314,217 km (0.085 R)
• M11: 1,524,851 km (0.052 R)
• M12: 1,647,521 km (0.099 R)
• M13: 1,752,389 km (0.038 R)
• M14: 2,041,861 km (0.074 R)
• M15: 2,288,399 km (0.049 R)
• M16: 2,418,549 km (0.078 R)
• M17: 2,563,360 km (0.085 R)
• M18: 2,729,862 km (0.101 R)
• M19: 2,900,104 km (0.07 R)
• M20: 3,067,504 km (0.085 R)
• M21: 3,264,674 km (0.099 R)
• M22: 3,472,915 km (0.071 R)
• M23: 3,664,998 km (0.106 R)
• M24: 3,762,386 km (0.087 R)
• M25: 3,860,523 km (0.103 R)
• M26: 3,988,279 km (0.12 R)
• M27: 4,189,638 km (0.1 R)
• M28: 4,328,166 km (0.025 R)
• M29: 4,587,718 km (0.03 R)
• M30: 4,723,104 km (0.04 R)
• M31: 4,821,839 km (0.116 R)
• M32: 4,975,027 km (0.086 R)
• M33: 5,075,407 km (0.09 R)
• M34: 5,192,243 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 14.1

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.92 AU - 4.4 AU

Year: 5395 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 24,730,613 km

• M1: 182,210 km (0.098 R)
• M2: 282,590 km (0.096 R)
• M3: 404,662 km (0.119 R)
• M4: 494,421 km (0.107 R)
• M5: 2,240,079 km (0.06 R)
• M6: 2,449,216 km (0.055 R)
• M7: 2,551,092 km (0.055 R)
• M8: 2,727,917 km (0.067 R)
• M9: 3,327,805 km (0.11 R)
• M10: 3,719,153 km (0.069 R)
• M11: 4,174,229 km (0.09 R)
• M12: 4,371,250 km (0.076 R)
• M13: 4,723,702 km (0.082 R)
• M14: 5,216,777 km (0.091 R)
• M15: 5,658,390 km (0.103 R)
• M16: 6,210,256 km (0.071 R)
• M17: 6,308,542 km (0.06 R)
• M18: 6,635,414 km (0.087 R)
• M19: 6,793,688 km (0.084 R)
• M20: 7,084,806 km (0.118 R)
• M21: 7,246,670 km (0.106 R)
• M22: 7,409,882 km (0.072 R)
• M23: 8,059,286 km (0.08 R)
• M24: 9,123,525 km (0.106 R)
• M25: 10,231,896 km (0.111 R)
• M26: 11,005,616 km (0.078 R)
• M27: 11,107,941 km (0.074 R)
• M28: 11,227,769 km (0.093 R)
• M29: 11,382,453 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.6

Radius: 9.1

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.81 AU - 7.05 AU

Year: 9182 Days

Day: 6.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 24,730,613 km

• M1: 145,559 km (0.089 R)
• M2: 332,706 km (0.089 R)
• M3: 422,016 km (0.11 R)
• M4: 639,232 km (0.112 R)
• M5: 712,535 km (0.08 R)
• M6: 800,049 km (0.054 R)
• M7: 856,897 km (0.086 R)
• M8: 1,098,348 km (0.102 R)
• M9: 1,162,226 km (0.102 R)
• M10: 1,472,342 km (0.117 R)
• M11: 1,529,040 km (0.117 R)
• M12: 1,644,529 km (0.109 R)
• M13: 2,398,054 km (0.097 R)
• M14: 2,705,627 km (0.11 R)
• M15: 2,775,639 km (0.1 R)
• M16: 2,846,249 km (0.11 R)
• M17: 2,971,463 km (0.116 R)
• M18: 3,227,424 km (0.12 R)
• M19: 3,358,023 km (0.065 R)
• M20: 3,433,421 km (0.091 R)
• M21: 4,548,523 km (0.079 R)
• M22: 4,716,372 km (0.1 R)
• M23: 5,058,353 km (0.086 R)
• M24: 5,145,120 km (0.111 R)
• M25: 6,085,791 km (0.118 R)
• M26: 6,178,242 km (0.098 R)
• M27: 6,552,237 km (0.069 R)
• M28: 6,646,933 km (0.09 R)
• M29: 6,885,691 km (0.115 R)
• M30: 7,006,117 km (0.035 R)
• M31: 7,151,676 km (0.097 R)
• M32: 7,470,170 km (0.056 R)
• M33: 7,569,203 km (0.067 R)
• M34: 8,019,942 km (0.073 R)
• M35: 8,248,677 km (0.116 R)
• M36: 8,582,879 km (0.086 R)
• M37: 9,264,447 km (0.057 R)
• M38: 9,746,451 km (0.102 R)
• M39: 10,154,404 km (0.084 R)
• M40: 10,623,543 km (0.111 R)
• M41: 10,958,942 km (0.05 R)
• M42: 11,241,083 km (0.097 R)
• M43: 11,297,930 km (0.087 R)
• M44: 11,468,622 km (0.076 R)
• M45: 12,072,997 km (0.058 R)
• M46: 13,013,818 km (0.09 R)
• M47: 13,917,240 km (0.097 R)
• M48: 14,407,322 km (0.115 R)
• M49: 15,498,938 km (0.111 R)
• M50: 16,455,766 km (0.102 R)
• M51: 16,617,032 km (0.119 R)
• M52: 17,333,157 km (0.065 R)
• M53: 18,159,087 km (0.098 R)
• M54: 18,459,629 km (0.1 R)
• M55: 18,694,348 km (0.116 R)
• M56: 18,964,073 km (0.105 R)
• M57: 20,400,512 km (0.079 R)
• M58: 20,504,483 km (0.087 R)
• M59: 21,096,890 km (0.099 R)
• M60: 21,166,902 km (0.101 R)
• M61: 21,659,528 km (0.117 R)
• M62: 21,836,352 km (0.091 R)
• M63: 22,013,775 km (0.09 R)
• M64: 22,512,834 km (0.093 R)
• M65: 22,979,579 km (0.098 R)
• M66: 23,232,250 km (0.083 R)
• M67: 23,740,434 km (0.092 R)
• M68: 24,693,672 km (0.051 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 19,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit