🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 8.7

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.75 AU - 1.03 AU

Year: 551 Days

Day: 14.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,040,704 km

• M1: 108,159 km (0.112 R)
• M2: 473,776 km (0.055 R)
• M3: 926,908 km (0.106 R)
• M4: 1,203,964 km (0.102 R)
• M5: 1,916,947 km (0.098 R)
• M6: 2,866,295 km (0.037 R)
• M7: 3,622,812 km (0.085 R)
• M8: 4,009,373 km (0.099 R)
• M9: 4,806,580 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.7

Radius: 12.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.6 AU - 2.54 AU

Year: 1954 Days

Day: 9.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,040,704 km

• M1: 156,629 km (0.081 R)
• M2: 936,333 km (0.107 R)
• M3: 1,442,423 km (0.106 R)
• M4: 2,121,896 km (0.043 R)
• M5: 2,600,609 km (0.106 R)
• M6: 3,300,727 km (0.085 R)
• M7: 3,882,663 km (0.079 R)
• M8: 5,978,829 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.1

Radius: 14.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.23 AU - 4.81 AU

Year: 5287 Days

Day: 7.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,040,704 km

• M1: 180,265 km (0.077 R)
• M2: 808,876 km (0.047 R)
• M3: 1,284,896 km (0.064 R)
• M4: 1,899,444 km (0.079 R)
• M5: 2,448,468 km (0.086 R)
• M6: 3,966,737 km (0.109 R)
• M7: 4,662,517 km (0.092 R)
• M8: 5,527,043 km (0.078 R)
• M9: 6,045,100 km (0.104 R)
• M10: 6,628,981 km (0.105 R)
• M11: 11,055,881 km (0.101 R)
• M12: 14,156,596 km (0.115 R)
• M13: 14,667,174 km (0.079 R)
• M14: 17,087,069 km (0.077 R)
• M15: 23,802,368 km (0.102 R)
• M16: 31,901,148 km (0.069 R)
• M17: 33,176,469 km (0.032 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.4

Radius: 3.6

Gravity: 32.21 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.39 AU - 9.15 AU

Year: 14208 Days

Day: 16.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,040,704 km

• M1: 58,194 km (0.109 R)
• M2: 207,791 km (0.096 R)
• M3: 364,420 km (0.093 R)
• M4: 978,220 km (0.067 R)
• M5: 1,648,569 km (0.098 R)
• M6: 3,159,507 km (0.085 R)
• M7: 3,659,613 km (0.059 R)
• M8: 3,928,590 km (0.1 R)
• M9: 4,268,626 km (0.071 R)
• M10: 4,878,387 km (0.078 R)
• M11: 7,902,508 km (0.098 R)
• M12: 9,008,185 km (0.114 R)
• M13: 9,299,901 km (0.074 R)
• M14: 9,448,153 km (0.074 R)
• M15: 12,632,792 km (0.079 R)
• M16: 13,750,288 km (0.06 R)
• M17: 18,410,561 km (0.105 R)
• M18: 20,838,385 km (0.091 R)
• M19: 22,041,152 km (0.044 R)
• M20: 23,198,591 km (0.108 R)
• M21: 24,302,324 km (0.077 R)
• M22: 24,962,200 km (0.049 R)
• M23: 25,537,254 km (0.064 R)
• M24: 32,117,316 km (0.086 R)
• M25: 33,371,246 km (0.049 R)
• M26: 34,657,339 km (0.075 R)
• M27: 41,452,822 km (0.118 R)
• M28: 50,288,671 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.4

Radius: 7.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.45 AU - 10.37 AU

Year: 17447 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,040,704 km

• M1: 91,404 km (0.05 R)
• M2: 791,672 km (0.105 R)
• M3: 1,122,582 km (0.064 R)
• M4: 1,368,671 km (0.053 R)
• M5: 1,623,885 km (0.11 R)
• M6: 2,663,740 km (0.061 R)
• M7: 2,899,955 km (0.091 R)
• M8: 4,710,538 km (0.109 R)
• M9: 5,578,505 km (0.092 R)
• M10: 6,034,030 km (0.117 R)
• M11: 6,691,363 km (0.112 R)
• M12: 9,125,919 km (0.076 R)
• M13: 9,758,120 km (0.043 R)
• M14: 9,990,894 km (0.049 R)
• M15: 10,227,408 km (0.087 R)
• M16: 11,936,115 km (0.104 R)
• M17: 12,802,586 km (0.05 R)
• M18: 13,479,516 km (0.11 R)
• M19: 14,843,250 km (0.105 R)
• M20: 16,231,519 km (0.065 R)
• M21: 16,957,068 km (0.108 R)
• M22: 20,835,842 km (0.083 R)
• M23: 24,233,359 km (0.082 R)
• M24: 24,833,247 km (0.083 R)
• M25: 26,783,554 km (0.101 R)
• M26: 31,692,907 km (0.088 R)
• M27: 37,510,619 km (0.088 R)

Asteroid Belt

Center: 9.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962

Radius: 4.9

Gravity: 40.07 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.74 AU - 9.74 AU

Year: 19941 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 61.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,040,704 km

• M1: 69,713 km (0.076 R)
• M2: 235,018 km (0.116 R)
• M3: 396,135 km (0.094 R)
• M4: 730,636 km (0.048 R)
• M5: 990,637 km (0.119 R)
• M6: 3,255,848 km (0.111 R)
• M7: 3,862,767 km (0.108 R)
• M8: 4,227,337 km (0.07 R)
• M9: 4,400,421 km (0.088 R)
• M10: 4,614,346 km (0.111 R)
• M11: 6,003,961 km (0.07 R)
• M12: 6,677,002 km (0.068 R)
• M13: 7,804,671 km (0.102 R)
• M14: 8,940,268 km (0.116 R)
• M15: 10,747,261 km (0.052 R)
• M16: 11,804,170 km (0.101 R)
• M17: 12,217,808 km (0.076 R)
• M18: 13,516,616 km (0.104 R)
• M19: 15,145,288 km (0.076 R)
• M20: 15,715,855 km (0.063 R)
• M21: 17,692,043 km (0.106 R)
• M22: 19,635,768 km (0.073 R)
• M23: 24,270,908 km (0.1 R)
• M24: 33,255,607 km (0.104 R)
• M25: 35,768,552 km (0.026 R)
• M26: 38,405,364 km (0.102 R)
• M27: 47,432,249 km (0.079 R)
• M28: 56,795,729 km (0.119 R)
• M29: 60,780,418 km (0.063 R)
• M30: 66,666,197 km (0.071 R)
• M31: 67,536,856 km (0.032 R)
• M32: 69,523,366 km (0.108 R)
• M33: 75,010,916 km (0.092 R)
• M34: 79,310,957 km (0.045 R)
• M35: 80,288,280 km (0.092 R)
• M36: 85,040,705 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 18,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit