🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.6

Radius: 14.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.68 AU - 0.96 AU

Year: 513 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,615,431 km

• M1: 184,005 km (0.108 R)
• M2: 740,809 km (0.057 R)
• M3: 1,360,144 km (0.103 R)
• M4: 2,408,227 km (0.09 R)
• M5: 3,797,093 km (0.111 R)
• M6: 4,339,685 km (0.111 R)
• M7: 5,582,394 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.4

Radius: 9.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.99 AU - 1.33 AU

Year: 862 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,615,431 km

• M1: 124,017 km (0.042 R)
• M2: 476,469 km (0.051 R)
• M3: 818,151 km (0.068 R)
• M4: 1,426,117 km (0.095 R)
• M5: 3,428,035 km (0.094 R)
• M6: 4,499,754 km (0.109 R)
• M7: 4,912,495 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.5

Radius: 14.4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.24 AU - 1.36 AU

Year: 1023 Days

Day: 8 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,615,431 km

• M1: 179,218 km (0.076 R)
• M2: 690,245 km (0.079 R)
• M3: 1,447,210 km (0.116 R)
• M4: 1,978,731 km (0.06 R)
• M5: 2,526,858 km (0.079 R)
• M6: 3,007,067 km (0.116 R)
• M7: 3,505,826 km (0.092 R)
• M8: 4,350,755 km (0.068 R)
• M9: 7,330,595 km (0.027 R)
• M10: 7,839,527 km (0.061 R)
• M11: 8,928,599 km (0.076 R)
• M12: 9,397,289 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 14.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.57 AU - 2.11 AU

Year: 1723 Days

Day: 5 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,615,431 km

• M1: 185,352 km (0.048 R)
• M2: 670,348 km (0.079 R)
• M3: 1,307,785 km (0.105 R)
• M4: 2,345,844 km (0.085 R)
• M5: 4,140,570 km (0.088 R)
• M6: 4,837,098 km (0.096 R)
• M7: 5,564,442 km (0.116 R)
• M8: 6,752,249 km (0.088 R)
• M9: 7,866,305 km (0.096 R)
• M10: 9,460,569 km (0.119 R)
• M11: 10,211,401 km (0.097 R)
• M12: 10,818,469 km (0.067 R)
• M13: 11,909,935 km (0.074 R)
• M14: 12,502,642 km (0.108 R)
• M15: 13,281,598 km (0.098 R)
• M16: 13,747,296 km (0.073 R)
• M17: 15,027,555 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.4

Radius: 6.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.99 AU - 9.67 AU

Year: 15124 Days

Day: 21.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,615,431 km

• M1: 77,193 km (0.106 R)
• M2: 317,596 km (0.114 R)
• M3: 530,923 km (0.087 R)
• M4: 850,613 km (0.08 R)
• M5: 1,194,090 km (0.104 R)
• M6: 2,645,339 km (0.095 R)
• M7: 2,905,939 km (0.119 R)
• M8: 3,581,523 km (0.062 R)
• M9: 4,671,792 km (0.1 R)
• M10: 6,325,596 km (0.041 R)
• M11: 7,452,368 km (0.108 R)
• M12: 10,306,246 km (0.045 R)
• M13: 11,673,421 km (0.117 R)
• M14: 12,520,444 km (0.109 R)
• M15: 16,320,679 km (0.078 R)
• M16: 18,418,789 km (0.098 R)
• M17: 18,669,365 km (0.104 R)
• M18: 19,306,054 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.9

Radius: 7.9

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.3 AU - 10.1 AU

Year: 16208 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,615,431 km

• M1: 98,435 km (0.043 R)
• M2: 484,697 km (0.08 R)
• M3: 944,112 km (0.099 R)
• M4: 2,037,224 km (0.062 R)
• M5: 2,685,431 km (0.082 R)
• M6: 4,507,234 km (0.114 R)
• M7: 5,151,403 km (0.087 R)
• M8: 6,503,169 km (0.103 R)
• M9: 8,076,789 km (0.116 R)
• M10: 10,862,002 km (0.104 R)
• M11: 15,824,463 km (0.03 R)
• M12: 16,851,452 km (0.076 R)
• M13: 17,381,178 km (0.11 R)
• M14: 19,364,397 km (0.076 R)
• M15: 23,586,348 km (0.114 R)
• M16: 27,961,338 km (0.065 R)
• M17: 32,150,826 km (0.098 R)
• M18: 35,988,610 km (0.099 R)
• M19: 38,276,111 km (0.06 R)
• M20: 39,323,147 km (0.097 R)
• M21: 42,439,869 km (0.059 R)
• M22: 48,245,762 km (0.095 R)
• M23: 49,930,533 km (0.102 R)
• M24: 54,395,282 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.3

Radius: 5.8

Gravity: 20.55 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.06 AU - 9.88 AU

Year: 20116 Days

Day: 15.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,615,431 km

• M1: 73,004 km (0.032 R)
• M2: 340,934 km (0.072 R)
• M3: 556,803 km (0.105 R)
• M4: 750,981 km (0.114 R)
• M5: 1,825,393 km (0.114 R)
• M6: 2,464,625 km (0.055 R)
• M7: 5,347,525 km (0.039 R)
• M8: 6,200,383 km (0.071 R)
• M9: 7,474,059 km (0.069 R)
• M10: 9,188,152 km (0.104 R)
• M11: 9,468,797 km (0.12 R)
• M12: 9,755,277 km (0.097 R)
• M13: 10,285,452 km (0.096 R)
• M14: 10,772,692 km (0.074 R)
• M15: 11,275,192 km (0.096 R)
• M16: 12,192,077 km (0.112 R)
• M17: 13,442,416 km (0.102 R)
• M18: 14,623,790 km (0.119 R)
• M19: 16,854,743 km (0.106 R)
• M20: 17,876,796 km (0.085 R)
• M21: 20,137,519 km (0.062 R)
• M22: 22,581,948 km (0.036 R)
• M23: 22,785,700 km (0.092 R)
• M24: 24,139,860 km (0.064 R)
• M25: 24,782,533 km (0.076 R)
• M26: 25,436,575 km (0.119 R)
• M27: 27,467,815 km (0.063 R)
• M28: 27,816,527 km (0.104 R)
• M29: 28,880,467 km (0.036 R)
• M30: 34,340,341 km (0.117 R)
• M31: 35,152,956 km (0.076 R)
• M32: 36,676,012 km (0.04 R)
• M33: 38,969,049 km (0.12 R)
• M34: 47,578,705 km (0.11 R)
• M35: 48,927,928 km (0.06 R)
• M36: 51,702,520 km (0.058 R)
• M37: 64,872,967 km (0.068 R)
• M38: 74,567,358 km (0.113 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 19,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit