🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.7

Radius: 8.6

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.4 AU - 0.62 AU

Year: 247 Days

Day: 6.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,373,183 km

• M1: 106,962 km (0.087 R)
• M2: 431,739 km (0.102 R)
• M3: 924,365 km (0.06 R)
• M4: 1,406,968 km (0.082 R)
• M5: 1,851,423 km (0.068 R)
• M6: 2,118,904 km (0.108 R)
• M7: 2,438,146 km (0.103 R)
• M8: 2,724,028 km (0.094 R)
• M9: 3,226,527 km (0.099 R)
• M10: 3,538,887 km (0.105 R)
• M11: 4,076,243 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.9

Radius: 9.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.76 AU - 1.18 AU

Year: 648 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 85.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,373,183 km

• M1: 118,182 km (0.106 R)
• M2: 468,092 km (0.049 R)
• M3: 789,278 km (0.073 R)
• M4: 1,263,653 km (0.106 R)
• M5: 1,679,685 km (0.105 R)
• M6: 2,091,977 km (0.117 R)
• M7: 2,465,523 km (0.118 R)
• M8: 2,860,162 km (0.077 R)
• M9: 6,203,076 km (0.045 R)
• M10: 7,001,180 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 9.3

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.99 AU - 1.37 AU

Year: 869 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,373,183 km

• M1: 115,789 km (0.101 R)
• M2: 593,904 km (0.056 R)
• M3: 905,965 km (0.079 R)
• M4: 1,533,079 km (0.103 R)
• M5: 1,829,732 km (0.057 R)
• M6: 2,260,573 km (0.106 R)
• M7: 2,672,566 km (0.064 R)
• M8: 3,093,684 km (0.089 R)
• M9: 4,351,503 km (0.118 R)
• M10: 5,374,453 km (0.118 R)
• M11: 5,838,207 km (0.072 R)
• M12: 6,350,430 km (0.082 R)
• M13: 6,753,895 km (0.115 R)
• M14: 7,103,206 km (0.092 R)
• M15: 7,563,070 km (0.11 R)
• M16: 8,016,800 km (0.089 R)
• M17: 8,596,043 km (0.056 R)
• M18: 9,146,563 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.5

Radius: 14.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.25 AU - 2.39 AU

Year: 2397 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,373,183 km

• M1: 179,069 km (0.056 R)
• M2: 664,065 km (0.115 R)
• M3: 1,118,543 km (0.055 R)
• M4: 1,861,895 km (0.096 R)
• M5: 2,656,559 km (0.059 R)
• M6: 3,219,047 km (0.095 R)
• M7: 3,939,211 km (0.096 R)
• M8: 4,901,873 km (0.076 R)
• M9: 5,601,991 km (0.112 R)
• M10: 6,423,433 km (0.062 R)
• M11: 7,789,112 km (0.112 R)
• M12: 8,540,842 km (0.118 R)
• M13: 11,414,916 km (0.074 R)
• M14: 13,968,402 km (0.108 R)
• M15: 15,029,948 km (0.093 R)
• M16: 16,300,782 km (0.063 R)
• M17: 18,368,075 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.6

Radius: 7.2

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.26 AU - 8.16 AU

Year: 11789 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,373,183 km

• M1: 93,947 km (0.054 R)
• M2: 367,113 km (0.081 R)
• M3: 824,733 km (0.082 R)
• M4: 1,169,855 km (0.093 R)
• M5: 1,474,736 km (0.103 R)
• M6: 2,246,661 km (0.052 R)
• M7: 5,316,260 km (0.05 R)
• M8: 7,334,036 km (0.092 R)
• M9: 9,988,201 km (0.065 R)
• M10: 10,890,276 km (0.117 R)
• M11: 13,542,198 km (0.093 R)
• M12: 15,570,894 km (0.099 R)
• M13: 17,156,632 km (0.116 R)
• M14: 18,447,362 km (0.12 R)
• M15: 31,849,985 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.3

Radius: 6.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.2 AU - 9.16 AU

Year: 17345 Days

Day: 21 Hours

Environment

Temp: -241 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,373,183 km

• M1: 75,846 km (0.094 R)
• M2: 474,375 km (0.072 R)
• M3: 1,306,289 km (0.094 R)
• M4: 3,420,256 km (0.078 R)
• M5: 4,748,236 km (0.118 R)
• M6: 5,914,053 km (0.082 R)
• M7: 6,778,130 km (0.066 R)
• M8: 8,289,667 km (0.076 R)
• M9: 8,498,505 km (0.04 R)
• M10: 17,601,835 km (0.066 R)
• M11: 18,016,820 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.6

Radius: 7.9

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.64 AU - 10.12 AU

Year: 21063 Days

Day: 23.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,373,183 km

• M1: 100,679 km (0.106 R)
• M2: 481,406 km (0.115 R)
• M3: 1,047,933 km (0.099 R)
• M4: 1,699,731 km (0.096 R)
• M5: 2,125,636 km (0.109 R)
• M6: 3,447,483 km (0.04 R)
• M7: 4,231,974 km (0.092 R)
• M8: 4,903,968 km (0.072 R)
• M9: 6,150,417 km (0.095 R)
• M10: 6,458,888 km (0.044 R)
• M11: 7,059,075 km (0.083 R)
• M12: 8,054,499 km (0.104 R)
• M13: 8,317,342 km (0.077 R)
• M14: 8,860,233 km (0.099 R)
• M15: 9,837,257 km (0.061 R)
• M16: 15,175,208 km (0.073 R)
• M17: 18,773,037 km (0.107 R)
• M18: 20,475,610 km (0.107 R)
• M19: 22,692,950 km (0.099 R)
• M20: 23,218,487 km (0.097 R)
• M21: 26,196,981 km (0.081 R)
• M22: 27,599,012 km (0.094 R)
• M23: 37,367,603 km (0.09 R)
• M24: 38,100,184 km (0.117 R)
• M25: 40,662,945 km (0.073 R)
• M26: 52,429,715 km (0.069 R)
• M27: 55,784,896 km (0.082 R)
• M28: 60,276,872 km (0.045 R)
• M29: 66,063,467 km (0.086 R)
• M30: 76,355,501 km (0.072 R)
• M31: 78,248,064 km (0.095 R)
• M32: 79,446,642 km (0.127 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: 305 - 17,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit