🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.4

Radius: 12.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.5 AU - 0.58 AU

Year: 274 Days

Day: 7.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 52,906,958 km

• M1: 151,842 km (0.064 R)
• M2: 591,211 km (0.096 R)
• M3: 1,885,083 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.1

Radius: 13.2

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.53 AU - 0.59 AU

Year: 289 Days

Day: 10.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,906,958 km

• M1: 164,258 km (0.094 R)
• M2: 580,290 km (0.103 R)
• M3: 1,150,707 km (0.064 R)
• M4: 1,648,419 km (0.095 R)
• M5: 2,125,636 km (0.099 R)
• M6: 2,942,740 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.6

Radius: 13.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.9 AU - 1.36 AU

Year: 829 Days

Day: 8.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,906,958 km

• M1: 172,935 km (0.081 R)
• M2: 720,912 km (0.08 R)
• M3: 1,254,977 km (0.083 R)
• M4: 2,014,036 km (0.12 R)
• M5: 2,640,851 km (0.116 R)
• M6: 3,673,825 km (0.119 R)
• M7: 4,865,671 km (0.088 R)
• M8: 5,508,493 km (0.037 R)
• M9: 6,151,764 km (0.073 R)
• M10: 6,745,368 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 9.6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.39 AU - 1.41 AU

Year: 1143 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 78.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,906,958 km

• M1: 119,379 km (0.103 R)
• M2: 466,596 km (0.109 R)
• M3: 793,766 km (0.031 R)
• M4: 1,093,560 km (0.107 R)
• M5: 1,784,403 km (0.11 R)
• M6: 2,603,601 km (0.054 R)
• M7: 3,202,591 km (0.081 R)
• M8: 3,736,356 km (0.088 R)
• M9: 4,251,272 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 9.6

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.16 AU - 1.88 AU

Year: 1294 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,906,958 km

• M1: 119,379 km (0.07 R)
• M2: 479,611 km (0.072 R)
• M3: 1,136,345 km (0.108 R)
• M4: 1,841,550 km (0.057 R)
• M5: 2,291,989 km (0.071 R)
• M6: 2,763,073 km (0.034 R)
• M7: 3,098,172 km (0.104 R)
• M8: 3,520,935 km (0.114 R)
• M9: 4,184,402 km (0.068 R)
• M10: 5,632,360 km (0.058 R)
• M11: 6,309,739 km (0.089 R)
• M12: 6,727,566 km (0.086 R)
• M13: 7,188,327 km (0.117 R)
• M14: 7,618,421 km (0.065 R)
• M15: 8,173,429 km (0.091 R)
• M16: 8,698,518 km (0.096 R)
• M17: 10,796,778 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.3

Radius: 9.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.46 AU - 3.7 AU

Year: 3731 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,906,958 km

• M1: 118,182 km (0.075 R)
• M2: 425,307 km (0.063 R)
• M3: 1,052,421 km (0.078 R)
• M4: 1,800,560 km (0.117 R)
• M5: 2,098,858 km (0.115 R)
• M6: 4,489,432 km (0.06 R)
• M7: 5,152,300 km (0.083 R)
• M8: 5,926,768 km (0.097 R)
• M9: 6,961,537 km (0.082 R)
• M10: 9,352,859 km (0.107 R)
• M11: 11,185,732 km (0.065 R)
• M12: 11,556,585 km (0.09 R)
• M13: 11,897,519 km (0.098 R)
• M14: 13,452,888 km (0.089 R)
• M15: 13,914,996 km (0.107 R)
• M16: 14,257,874 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352

Radius: 10.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.21 AU - 4.67 AU

Year: 6458 Days

Day: 7 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,906,958 km

• M1: 131,796 km (0.097 R)
• M2: 610,808 km (0.088 R)
• M3: 1,157,888 km (0.114 R)
• M4: 1,674,000 km (0.092 R)
• M5: 2,232,150 km (0.098 R)
• M6: 2,874,822 km (0.075 R)
• M7: 3,230,566 km (0.03 R)
• M8: 4,430,939 km (0.105 R)
• M9: 4,934,187 km (0.115 R)
• M10: 5,559,805 km (0.079 R)
• M11: 6,329,935 km (0.116 R)
• M12: 8,452,878 km (0.064 R)
• M13: 11,102,705 km (0.074 R)
• M14: 12,517,751 km (0.06 R)
• M15: 14,102,591 km (0.088 R)
• M16: 15,759,687 km (0.055 R)
• M17: 16,222,692 km (0.095 R)
• M18: 19,456,998 km (0.119 R)
• M19: 26,759,020 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336

Radius: 7.2

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.86 AU - 6.86 AU

Year: 9792 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,906,958 km

• M1: 90,058 km (0.059 R)
• M2: 369,507 km (0.094 R)
• M3: 603,627 km (0.09 R)
• M4: 897,138 km (0.093 R)
• M5: 1,616,555 km (0.049 R)
• M6: 1,897,799 km (0.079 R)
• M7: 3,780,338 km (0.093 R)
• M8: 4,411,043 km (0.077 R)
• M9: 5,109,814 km (0.089 R)
• M10: 7,496,050 km (0.085 R)
• M11: 7,765,625 km (0.101 R)
• M12: 8,365,064 km (0.076 R)
• M13: 8,823,881 km (0.071 R)
• M14: 10,828,941 km (0.097 R)
• M15: 11,323,811 km (0.089 R)
• M16: 13,119,584 km (0.094 R)
• M17: 14,794,481 km (0.074 R)
• M18: 16,934,180 km (0.085 R)
• M19: 20,145,747 km (0.112 R)
• M20: 20,592,596 km (0.107 R)
• M21: 21,122,172 km (0.114 R)
• M22: 21,583,233 km (0.099 R)
• M23: 22,129,714 km (0.075 R)
• M24: 22,685,320 km (0.086 R)
• M25: 25,172,385 km (0.09 R)
• M26: 26,216,129 km (0.119 R)
• M27: 28,763,332 km (0.05 R)
• M28: 29,520,297 km (0.057 R)
• M29: 32,376,121 km (0.119 R)
• M30: 32,886,399 km (0.083 R)
• M31: 34,874,704 km (0.045 R)
• M32: 36,499,936 km (0.03 R)
• M33: 36,830,846 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.4

Radius: 5.6

Gravity: 19.85 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.19 AU - 6.67 AU

Year: 9968 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,906,958 km

• M1: 69,713 km (0.112 R)
• M2: 270,024 km (0.098 R)
• M3: 589,565 km (0.075 R)
• M4: 911,051 km (0.067 R)
• M5: 1,186,162 km (0.078 R)
• M6: 1,381,985 km (0.114 R)
• M7: 1,571,226 km (0.098 R)
• M8: 1,747,154 km (0.119 R)
• M9: 2,263,865 km (0.09 R)
• M10: 2,450,862 km (0.059 R)
• M11: 2,688,872 km (0.113 R)
• M12: 3,472,167 km (0.115 R)
• M13: 5,314,165 km (0.114 R)
• M14: 7,192,666 km (0.073 R)
• M15: 8,726,493 km (0.101 R)
• M16: 10,672,462 km (0.098 R)
• M17: 12,252,365 km (0.086 R)
• M18: 14,549,889 km (0.085 R)
• M19: 15,397,660 km (0.111 R)
• M20: 16,695,272 km (0.11 R)
• M21: 19,119,356 km (0.105 R)
• M22: 19,662,097 km (0.095 R)
• M23: 20,294,896 km (0.074 R)
• M24: 21,684,511 km (0.054 R)
• M25: 22,274,824 km (0.102 R)
• M26: 23,841,712 km (0.063 R)
• M27: 25,387,656 km (0.079 R)
• M28: 27,096,064 km (0.101 R)
• M29: 31,807,200 km (0.104 R)
• M30: 34,583,288 km (0.077 R)
• M31: 38,981,764 km (0.097 R)
• M32: 40,611,633 km (0.072 R)
• M33: 42,548,028 km (0.104 R)
• M34: 45,910,689 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.6

Radius: 3

Gravity: 98.96 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.58 AU - 7.44 AU

Year: 10170 Days

Day: 24.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,906,958 km

• M1: 37,250 km (0.09 R)
• M2: 185,501 km (0.098 R)
• M3: 377,585 km (0.111 R)
• M4: 814,860 km (0.11 R)
• M5: 2,024,957 km (0.109 R)
• M6: 2,693,659 km (0.026 R)
• M7: 4,540,894 km (0.096 R)
• M8: 7,557,236 km (0.088 R)
• M9: 8,362,371 km (0.118 R)
• M10: 10,459,883 km (0.111 R)
• M11: 11,117,964 km (0.077 R)
• M12: 12,395,380 km (0.084 R)
• M13: 13,510,632 km (0.119 R)
• M14: 16,153,129 km (0.111 R)
• M15: 16,369,597 km (0.104 R)
• M16: 16,588,010 km (0.055 R)
• M17: 19,040,069 km (0.055 R)
• M18: 19,935,711 km (0.116 R)
• M19: 22,431,004 km (0.059 R)
• M20: 25,808,325 km (0.103 R)
• M21: 27,617,263 km (0.103 R)
• M22: 27,926,781 km (0.069 R)
• M23: 34,018,556 km (0.068 R)
• M24: 35,455,892 km (0.119 R)
• M25: 38,836,804 km (0.103 R)
• M26: 40,141,597 km (0.108 R)
• M27: 45,653,381 km (0.075 R)
• M28: 51,336,604 km (0.112 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: 297 - 16,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit