🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 10.6

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.62 AU - 1.72 AU

Year: 1490 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,230,772 km

• M1: 134,638 km (0.074 R)
• M2: 541,245 km (0.111 R)
• M3: 1,080,097 km (0.097 R)
• M4: 2,062,506 km (0.08 R)
• M5: 2,544,211 km (0.043 R)
• M6: 3,128,391 km (0.104 R)
• M7: 3,670,982 km (0.08 R)
• M8: 4,473,126 km (0.098 R)
• M9: 5,163,520 km (0.09 R)
• M10: 7,200,894 km (0.081 R)
• M11: 7,638,916 km (0.075 R)
• M12: 8,149,344 km (0.025 R)
• M13: 8,768,679 km (0.086 R)
• M14: 9,298,555 km (0.053 R)
• M15: 10,883,095 km (0.076 R)
• M16: 11,739,543 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.7

Radius: 15

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.85 AU - 2.53 AU

Year: 2237 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,230,772 km

• M1: 186,848 km (0.093 R)
• M2: 663,467 km (0.104 R)
• M3: 1,215,333 km (0.072 R)
• M4: 1,772,735 km (0.076 R)
• M5: 2,268,353 km (0.106 R)
• M6: 3,738,600 km (0.093 R)
• M7: 6,200,233 km (0.032 R)
• M8: 7,469,272 km (0.034 R)
• M9: 10,617,709 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 11.5

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.36 AU - 3.42 AU

Year: 4308 Days

Day: 12.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,230,772 km

• M1: 147,055 km (0.087 R)
• M2: 596,447 km (0.069 R)
• M3: 1,005,148 km (0.096 R)
• M4: 1,489,247 km (0.103 R)
• M5: 2,232,150 km (0.076 R)
• M6: 2,654,165 km (0.12 R)
• M7: 3,429,382 km (0.105 R)
• M8: 4,158,222 km (0.117 R)
• M9: 4,572,309 km (0.08 R)
• M10: 5,774,478 km (0.09 R)
• M11: 6,167,322 km (0.1 R)
• M12: 6,675,207 km (0.11 R)
• M13: 10,777,031 km (0.109 R)
• M14: 11,468,322 km (0.099 R)
• M15: 14,810,638 km (0.105 R)
• M16: 17,724,505 km (0.083 R)
• M17: 18,492,541 km (0.087 R)
• M18: 22,669,613 km (0.106 R)
• M19: 24,739,449 km (0.048 R)
• M20: 25,216,067 km (0.064 R)
• M21: 26,023,896 km (0.075 R)
• M22: 26,848,928 km (0.076 R)
• M23: 28,291,351 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.9

Radius: 12.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.67 AU - 4.43 AU

Year: 4617 Days

Day: 10.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,230,772 km

• M1: 151,692 km (0.103 R)
• M2: 544,835 km (0.108 R)
• M3: 1,164,021 km (0.111 R)
• M4: 1,840,203 km (0.047 R)
• M5: 2,912,820 km (0.113 R)
• M6: 3,463,490 km (0.108 R)
• M7: 4,276,405 km (0.072 R)
• M8: 4,798,950 km (0.063 R)
• M9: 5,544,396 km (0.029 R)
• M10: 5,945,468 km (0.067 R)
• M11: 6,337,115 km (0.11 R)
• M12: 6,926,830 km (0.063 R)
• M13: 7,715,061 km (0.112 R)
• M14: 9,358,095 km (0.104 R)
• M15: 9,928,661 km (0.082 R)
• M16: 11,265,617 km (0.063 R)
• M17: 11,693,617 km (0.071 R)
• M18: 13,136,638 km (0.072 R)
• M19: 13,803,994 km (0.12 R)
• M20: 18,235,083 km (0.059 R)
• M21: 20,359,223 km (0.031 R)
• M22: 22,040,553 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 13.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.4 AU - 4.92 AU

Year: 5857 Days

Day: 7.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,230,772 km

• M1: 172,935 km (0.065 R)
• M2: 764,445 km (0.106 R)
• M3: 1,615,956 km (0.091 R)
• M4: 2,595,822 km (0.118 R)
• M5: 4,987,743 km (0.085 R)
• M6: 7,015,243 km (0.059 R)
• M7: 9,849,225 km (0.071 R)
• M8: 11,085,950 km (0.097 R)
• M9: 12,270,167 km (0.119 R)
• M10: 14,202,373 km (0.051 R)
• M11: 14,715,494 km (0.104 R)
• M12: 17,861,687 km (0.117 R)
• M13: 19,348,241 km (0.092 R)
• M14: 22,032,026 km (0.109 R)
• M15: 28,217,300 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.8

Radius: 9.3

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.92 AU - 5.98 AU

Year: 8782 Days

Day: 11.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,230,772 km

• M1: 115,789 km (0.102 R)
• M2: 508,184 km (0.092 R)
• M3: 853,456 km (0.088 R)
• M4: 1,357,900 km (0.066 R)
• M5: 1,923,829 km (0.114 R)
• M6: 2,372,921 km (0.108 R)
• M7: 3,718,255 km (0.112 R)
• M8: 4,543,138 km (0.103 R)
• M9: 5,012,426 km (0.045 R)
• M10: 6,296,874 km (0.039 R)
• M11: 7,360,066 km (0.114 R)
• M12: 10,314,474 km (0.113 R)
• M13: 10,851,231 km (0.072 R)
• M14: 12,979,710 km (0.09 R)
• M15: 13,290,125 km (0.107 R)
• M16: 13,764,949 km (0.068 R)
• M17: 15,603,656 km (0.03 R)
• M18: 16,431,082 km (0.042 R)
• M19: 17,790,029 km (0.118 R)
• M20: 19,155,708 km (0.032 R)
• M21: 22,094,409 km (0.038 R)
• M22: 23,288,948 km (0.061 R)
• M23: 27,046,547 km (0.097 R)
• M24: 27,383,890 km (0.054 R)
• M25: 29,024,680 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.5

Radius: 7.1

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.48 AU - 10.12 AU

Year: 18019 Days

Day: 19.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 52.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,230,772 km

• M1: 88,263 km (0.099 R)
• M2: 332,406 km (0.076 R)
• M3: 641,625 km (0.107 R)
• M4: 906,563 km (0.116 R)
• M5: 1,258,567 km (0.099 R)
• M6: 1,682,378 km (0.094 R)
• M7: 2,696,352 km (0.101 R)
• M8: 3,401,856 km (0.109 R)
• M9: 5,697,285 km (0.094 R)
• M10: 6,464,872 km (0.067 R)
• M11: 8,203,798 km (0.111 R)
• M12: 9,180,672 km (0.065 R)
• M13: 11,612,086 km (0.075 R)
• M14: 14,154,651 km (0.084 R)
• M15: 15,631,482 km (0.069 R)
• M16: 16,328,608 km (0.07 R)
• M17: 19,679,001 km (0.092 R)
• M18: 23,965,579 km (0.099 R)
• M19: 26,925,074 km (0.118 R)
• M20: 27,366,836 km (0.064 R)
• M21: 30,001,255 km (0.032 R)
• M22: 34,069,419 km (0.079 R)
• M23: 36,167,978 km (0.076 R)
• M24: 38,630,359 km (0.031 R)
• M25: 42,380,927 km (0.109 R)
• M26: 43,129,066 km (0.079 R)
• M27: 43,885,882 km (0.084 R)
• M28: 48,288,697 km (0.095 R)
• M29: 49,433,719 km (0.083 R)
• M30: 51,948,010 km (0.073 R)
• M31: 56,146,175 km (0.072 R)
• M32: 60,564,997 km (0.079 R)
• M33: 63,052,660 km (0.089 R)
• M34: 66,608,452 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 13,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit