🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.5

Radius: 11.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.66 AU - 0.72 AU

Year: 376 Days

Day: 14.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,194,163 km

• M1: 146,456 km (0.074 R)
• M2: 611,107 km (0.095 R)
• M3: 1,381,836 km (0.1 R)
• M4: 1,849,628 km (0.068 R)
• M5: 3,193,316 km (0.051 R)
• M6: 3,580,326 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.1

Radius: 10

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.89 AU - 1.31 AU

Year: 757 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 122.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,194,163 km

• M1: 124,316 km (0.114 R)
• M2: 439,519 km (0.118 R)
• M3: 1,049,878 km (0.064 R)
• M4: 1,475,035 km (0.049 R)
• M5: 1,809,386 km (0.107 R)
• M6: 2,224,371 km (0.103 R)
• M7: 2,634,867 km (0.118 R)
• M8: 2,996,894 km (0.088 R)
• M9: 3,352,488 km (0.077 R)
• M10: 4,608,811 km (0.034 R)
• M11: 5,032,173 km (0.093 R)
• M12: 5,687,262 km (0.086 R)
• M13: 6,711,559 km (0.098 R)
• M14: 8,093,095 km (0.094 R)

Asteroid Belt

Center: 1.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.9

Radius: 9.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.64 AU - 2.02 AU

Year: 1624 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,194,163 km

• M1: 118,631 km (0.075 R)
• M2: 511,026 km (0.118 R)
• M3: 810,521 km (0.112 R)
• M4: 1,830,928 km (0.086 R)
• M5: 2,369,780 km (0.112 R)
• M6: 3,881,317 km (0.032 R)
• M7: 5,455,386 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 10.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.18 AU - 2.38 AU

Year: 2258 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,194,163 km

• M1: 134,339 km (0.081 R)
• M2: 484,996 km (0.081 R)
• M3: 838,795 km (0.082 R)
• M4: 1,254,378 km (0.103 R)
• M5: 1,818,512 km (0.094 R)
• M6: 2,701,588 km (0.079 R)
• M7: 3,256,596 km (0.107 R)
• M8: 4,270,271 km (0.034 R)
• M9: 4,679,421 km (0.099 R)
• M10: 5,205,108 km (0.044 R)
• M11: 5,991,844 km (0.101 R)
• M12: 6,693,009 km (0.11 R)
• M13: 7,304,116 km (0.096 R)
• M14: 7,861,368 km (0.098 R)
• M15: 8,962,259 km (0.098 R)
• M16: 9,362,433 km (0.115 R)
• M17: 9,705,012 km (0.119 R)
• M18: 10,561,610 km (0.08 R)
• M19: 11,198,298 km (0.073 R)
• M20: 11,979,947 km (0.117 R)
• M21: 12,425,150 km (0.107 R)
• M22: 15,144,241 km (0.116 R)
• M23: 15,664,991 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 11.2

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.91 AU - 3.63 AU

Year: 3879 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,194,163 km

• M1: 139,724 km (0.094 R)
• M2: 533,017 km (0.109 R)
• M3: 925,861 km (0.082 R)
• M4: 3,098,471 km (0.079 R)
• M5: 3,581,523 km (0.118 R)
• M6: 5,277,514 km (0.108 R)
• M7: 7,145,094 km (0.072 R)
• M8: 8,875,642 km (0.083 R)
• M9: 11,491,061 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 13.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.66 AU - 5.4 AU

Year: 6325 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,194,163 km

• M1: 177,423 km (0.115 R)
• M2: 703,260 km (0.101 R)
• M3: 1,640,191 km (0.031 R)
• M4: 2,699,045 km (0.069 R)
• M5: 3,755,954 km (0.08 R)
• M6: 4,249,926 km (0.061 R)
• M7: 4,787,132 km (0.083 R)
• M8: 5,461,070 km (0.027 R)
• M9: 6,032,085 km (0.085 R)
• M10: 6,712,905 km (0.072 R)
• M11: 7,791,057 km (0.108 R)
• M12: 9,916,843 km (0.114 R)
• M13: 10,720,782 km (0.062 R)
• M14: 11,567,655 km (0.085 R)
• M15: 13,967,654 km (0.118 R)
• M16: 21,466,846 km (0.055 R)
• M17: 23,055,425 km (0.102 R)
• M18: 24,129,239 km (0.119 R)
• M19: 25,496,414 km (0.116 R)
• M20: 29,139,571 km (0.112 R)
• M21: 34,058,648 km (0.042 R)
• M22: 35,451,255 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 10.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.57 AU - 5.63 AU

Year: 6472 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,194,163 km

• M1: 134,339 km (0.069 R)
• M2: 679,174 km (0.073 R)
• M3: 1,292,376 km (0.1 R)
• M4: 2,457,893 km (0.116 R)
• M5: 3,349,048 km (0.12 R)
• M6: 5,701,324 km (0.074 R)
• M7: 7,358,719 km (0.074 R)
• M8: 8,988,139 km (0.098 R)
• M9: 12,638,327 km (0.067 R)
• M10: 15,132,423 km (0.066 R)
• M11: 16,192,174 km (0.072 R)
• M12: 17,809,178 km (0.113 R)
• M13: 19,944,089 km (0.102 R)
• M14: 21,073,104 km (0.104 R)
• M15: 28,847,107 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.1

Radius: 6

Gravity: 24.98 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.67 AU - 10.65 AU

Year: 18187 Days

Day: 16.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,194,163 km

• M1: 75,098 km (0.102 R)
• M2: 271,071 km (0.101 R)
• M3: 708,944 km (0.088 R)
• M4: 929,302 km (0.108 R)
• M5: 1,181,823 km (0.049 R)
• M6: 1,999,675 km (0.108 R)
• M7: 2,379,354 km (0.032 R)
• M8: 2,985,375 km (0.085 R)
• M9: 3,282,476 km (0.043 R)
• M10: 4,532,666 km (0.07 R)
• M11: 5,987,206 km (0.119 R)
• M12: 6,285,654 km (0.086 R)
• M13: 6,774,689 km (0.09 R)
• M14: 7,979,850 km (0.088 R)
• M15: 8,822,385 km (0.109 R)
• M16: 9,041,995 km (0.092 R)
• M17: 9,957,234 km (0.068 R)
• M18: 13,000,953 km (0.078 R)
• M19: 14,390,118 km (0.091 R)
• M20: 14,694,700 km (0.091 R)
• M21: 16,447,239 km (0.032 R)
• M22: 20,171,627 km (0.081 R)
• M23: 21,926,710 km (0.064 R)
• M24: 27,099,953 km (0.066 R)
• M25: 29,844,326 km (0.102 R)
• M26: 30,464,410 km (0.044 R)
• M27: 34,367,268 km (0.07 R)
• M28: 42,208,590 km (0.12 R)
• M29: 43,147,167 km (0.116 R)
• M30: 43,621,692 km (0.086 R)
• M31: 46,211,231 km (0.086 R)
• M32: 52,768,255 km (0.069 R)
• M33: 55,518,612 km (0.116 R)
• M34: 62,708,136 km (0.094 R)
• M35: 63,316,850 km (0.114 R)
• M36: 70,493,808 km (0.115 R)
• M37: 75,415,428 km (0.043 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: 486 - 16,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit