🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.4

Radius: 8.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.66 AU - 0.68 AU

Year: 372 Days

Day: 7.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,244,727 km

• M1: 112,797 km (0.117 R)
• M2: 394,938 km (0.115 R)
• M3: 672,442 km (0.042 R)
• M4: 955,930 km (0.052 R)
• M5: 1,333,067 km (0.082 R)
• M6: 1,627,326 km (0.078 R)
• M7: 2,017,626 km (0.119 R)
• M8: 2,309,193 km (0.06 R)
• M9: 2,748,262 km (0.074 R)
• M10: 3,690,579 km (0.116 R)
• M11: 4,204,747 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.2

Radius: 11.8

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.65 AU - 0.77 AU

Year: 406 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 73.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,244,727 km

• M1: 146,756 km (0.068 R)
• M2: 514,617 km (0.114 R)
• M3: 889,509 km (0.06 R)
• M4: 1,439,281 km (0.066 R)
• M5: 1,836,613 km (0.086 R)
• M6: 2,755,443 km (0.11 R)
• M7: 4,217,014 km (0.09 R)
• M8: 4,814,209 km (0.094 R)
• M9: 5,318,952 km (0.085 R)

Asteroid Belt

Center: 1.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.5

Radius: 14.7

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.56 AU - 2.22 AU

Year: 1762 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,244,727 km

• M1: 183,706 km (0.074 R)
• M2: 1,002,455 km (0.035 R)
• M3: 1,603,988 km (0.099 R)
• M4: 2,709,367 km (0.085 R)
• M5: 3,522,581 km (0.093 R)
• M6: 4,562,436 km (0.086 R)
• M7: 5,617,550 km (0.058 R)
• M8: 6,192,903 km (0.117 R)
• M9: 6,898,407 km (0.109 R)
• M10: 7,980,897 km (0.115 R)
• M11: 9,063,237 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.2

Radius: 9.1

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.62 AU - 3.54 AU

Year: 3666 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,244,727 km

• M1: 113,246 km (0.099 R)
• M2: 583,282 km (0.094 R)
• M3: 1,809,985 km (0.12 R)
• M4: 2,327,743 km (0.092 R)
• M5: 2,692,462 km (0.1 R)
• M6: 3,017,539 km (0.07 R)
• M7: 3,554,745 km (0.09 R)
• M8: 4,509,029 km (0.088 R)
• M9: 5,937,240 km (0.118 R)
• M10: 6,595,920 km (0.086 R)
• M11: 9,726,554 km (0.109 R)
• M12: 13,053,611 km (0.076 R)
• M13: 13,516,766 km (0.096 R)
• M14: 14,298,116 km (0.097 R)
• M15: 15,998,595 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.9

Radius: 13.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.82 AU - 3.34 AU

Year: 3666 Days

Day: 8.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,244,727 km

• M1: 162,912 km (0.09 R)
• M2: 973,134 km (0.108 R)
• M3: 1,662,182 km (0.109 R)
• M4: 3,117,620 km (0.111 R)
• M5: 3,937,266 km (0.094 R)
• M6: 4,593,103 km (0.072 R)
• M7: 5,565,041 km (0.098 R)
• M8: 7,604,209 km (0.036 R)
• M9: 9,700,524 km (0.117 R)
• M10: 10,617,410 km (0.064 R)
• M11: 12,119,223 km (0.108 R)
• M12: 12,584,622 km (0.068 R)
• M13: 13,675,190 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.7

Radius: 3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.98 AU - 7.64 AU

Year: 10751 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,244,727 km

• M1: 37,549 km (0.063 R)
• M2: 256,710 km (0.105 R)
• M3: 1,045,091 km (0.074 R)
• M4: 1,298,210 km (0.054 R)
• M5: 1,444,218 km (0.065 R)
• M6: 1,644,978 km (0.099 R)
• M7: 4,496,613 km (0.1 R)
• M8: 4,923,416 km (0.106 R)
• M9: 5,111,011 km (0.039 R)
• M10: 8,900,924 km (0.037 R)
• M11: 9,249,786 km (0.118 R)
• M12: 13,435,834 km (0.098 R)
• M13: 14,081,049 km (0.077 R)
• M14: 16,763,638 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.2

Radius: 3.9

Gravity: 31.31 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.15 AU - 7.23 AU

Year: 11736 Days

Day: 16.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 73.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 47,244,727 km

• M1: 48,470 km (0.115 R)
• M2: 231,129 km (0.056 R)
• M3: 431,739 km (0.085 R)
• M4: 794,813 km (0.115 R)
• M5: 946,805 km (0.11 R)
• M6: 1,297,462 km (0.054 R)
• M7: 1,566,140 km (0.035 R)
• M8: 1,791,285 km (0.081 R)
• M9: 2,106,936 km (0.071 R)
• M10: 2,381,449 km (0.113 R)
• M11: 2,658,803 km (0.103 R)
• M12: 4,041,536 km (0.096 R)
• M13: 4,793,864 km (0.088 R)
• M14: 5,738,126 km (0.114 R)
• M15: 7,074,932 km (0.116 R)
• M16: 7,563,070 km (0.106 R)
• M17: 8,470,830 km (0.103 R)
• M18: 11,962,594 km (0.082 R)
• M19: 14,563,502 km (0.039 R)
• M20: 15,085,748 km (0.118 R)
• M21: 15,284,863 km (0.097 R)
• M22: 17,372,502 km (0.038 R)
• M23: 17,885,473 km (0.069 R)
• M24: 19,096,168 km (0.113 R)
• M25: 21,679,125 km (0.115 R)
• M26: 22,879,050 km (0.059 R)
• M27: 23,229,857 km (0.085 R)
• M28: 24,485,880 km (0.105 R)
• M29: 25,881,030 km (0.073 R)
• M30: 28,021,925 km (0.089 R)
• M31: 28,930,732 km (0.032 R)
• M32: 31,449,960 km (0.046 R)
• M33: 31,992,552 km (0.061 R)
• M34: 33,432,731 km (0.114 R)
• M35: 35,967,068 km (0.06 R)
• M36: 38,750,636 km (0.081 R)
• M37: 41,674,376 km (0.111 R)
• M38: 42,460,513 km (0.118 R)
• M39: 45,704,393 km (0.109 R)
• M40: 46,540,346 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 11,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit