🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.6

Radius: 10.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.49 AU - 1.77 AU

Year: 1388 Days

Day: 5.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,517,738 km

• M1: 130,599 km (0.026 R)
• M2: 523,593 km (0.102 R)
• M3: 922,121 km (0.09 R)
• M4: 1,427,014 km (0.066 R)
• M5: 1,757,775 km (0.111 R)
• M6: 2,556,328 km (0.106 R)
• M7: 2,975,053 km (0.043 R)
• M8: 3,800,384 km (0.08 R)
• M9: 4,381,273 km (0.091 R)
• M10: 5,622,486 km (0.096 R)
• M11: 6,702,733 km (0.096 R)
• M12: 7,268,961 km (0.084 R)
• M13: 7,965,488 km (0.075 R)
• M14: 9,188,152 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.1

Radius: 11.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.06 AU - 2.3 AU

Year: 2146 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,517,738 km

• M1: 147,055 km (0.056 R)
• M2: 573,109 km (0.098 R)
• M3: 1,042,996 km (0.074 R)
• M4: 1,484,759 km (0.073 R)
• M5: 2,191,160 km (0.055 R)
• M6: 2,990,312 km (0.068 R)
• M7: 3,779,590 km (0.08 R)
• M8: 4,176,922 km (0.102 R)
• M9: 5,495,029 km (0.086 R)
• M10: 6,324,400 km (0.059 R)
• M11: 7,126,992 km (0.033 R)
• M12: 8,025,327 km (0.11 R)
• M13: 9,220,614 km (0.113 R)
• M14: 9,677,486 km (0.047 R)
• M15: 11,809,406 km (0.08 R)
• M16: 12,824,128 km (0.063 R)
• M17: 13,643,475 km (0.041 R)
• M18: 15,026,807 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 11.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.98 AU - 4.56 AU

Year: 5884 Days

Day: 13.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,517,738 km

• M1: 141,819 km (0.076 R)
• M2: 850,165 km (0.116 R)
• M3: 1,345,334 km (0.1 R)
• M4: 2,402,991 km (0.059 R)
• M5: 3,928,440 km (0.095 R)
• M6: 4,492,424 km (0.063 R)
• M7: 5,206,006 km (0.102 R)
• M8: 7,155,117 km (0.077 R)
• M9: 8,128,849 km (0.063 R)
• M10: 9,082,236 km (0.041 R)
• M11: 9,476,576 km (0.049 R)
• M12: 9,919,835 km (0.114 R)
• M13: 10,338,260 km (0.086 R)
• M14: 11,623,156 km (0.075 R)
• M15: 13,283,842 km (0.032 R)
• M16: 14,702,628 km (0.094 R)
• M17: 15,908,387 km (0.098 R)
• M18: 18,688,065 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.7

Radius: 14.6

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.44 AU - 4.62 AU

Year: 6429 Days

Day: 7.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,517,738 km

• M1: 188,493 km (0.087 R)
• M2: 739,911 km (0.071 R)
• M3: 1,406,070 km (0.112 R)
• M4: 1,992,793 km (0.102 R)
• M5: 2,778,631 km (0.114 R)
• M6: 4,092,699 km (0.098 R)
• M7: 4,754,520 km (0.112 R)
• M8: 5,311,622 km (0.061 R)
• M9: 6,261,718 km (0.109 R)
• M10: 8,029,815 km (0.112 R)
• M11: 9,581,744 km (0.088 R)
• M12: 12,222,296 km (0.093 R)
• M13: 14,269,991 km (0.05 R)
• M14: 15,138,257 km (0.061 R)
• M15: 15,918,859 km (0.056 R)
• M16: 16,726,388 km (0.113 R)
• M17: 19,875,274 km (0.08 R)
• M18: 20,593,044 km (0.058 R)
• M19: 21,253,818 km (0.076 R)
• M20: 24,526,272 km (0.09 R)
• M21: 25,856,945 km (0.035 R)
• M22: 27,147,675 km (0.084 R)
• M23: 28,934,921 km (0.1 R)
• M24: 29,671,391 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 10

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.22 AU - 4.92 AU

Year: 6515 Days

Day: 10.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,517,738 km

• M1: 127,607 km (0.072 R)
• M2: 1,760,318 km (0.113 R)
• M3: 2,363,048 km (0.114 R)
• M4: 4,002,192 km (0.11 R)
• M5: 4,749,284 km (0.114 R)
• M6: 5,411,703 km (0.094 R)
• M7: 5,735,283 km (0.105 R)
• M8: 6,165,975 km (0.113 R)
• M9: 8,651,993 km (0.108 R)
• M10: 9,427,957 km (0.094 R)
• M11: 10,029,041 km (0.11 R)
• M12: 14,519,969 km (0.065 R)
• M13: 15,032,043 km (0.084 R)
• M14: 17,904,322 km (0.072 R)
• M15: 21,051,263 km (0.115 R)
• M16: 22,679,336 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.6

Radius: 13.2

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.93 AU - 5.61 AU

Year: 6947 Days

Day: 13.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,517,738 km

• M1: 164,258 km (0.042 R)
• M2: 608,415 km (0.103 R)
• M3: 2,089,433 km (0.117 R)
• M4: 2,518,181 km (0.106 R)
• M5: 4,380,824 km (0.042 R)
• M6: 6,439,141 km (0.097 R)
• M7: 6,925,185 km (0.106 R)
• M8: 8,049,861 km (0.08 R)
• M9: 8,656,182 km (0.095 R)
• M10: 9,120,085 km (0.11 R)
• M11: 9,960,525 km (0.067 R)
• M12: 10,470,355 km (0.118 R)
• M13: 11,441,993 km (0.109 R)
• M14: 12,848,064 km (0.107 R)
• M15: 13,341,437 km (0.108 R)
• M16: 13,847,527 km (0.115 R)
• M17: 15,876,074 km (0.081 R)
• M18: 17,157,978 km (0.095 R)
• M19: 17,689,799 km (0.031 R)
• M20: 26,075,058 km (0.045 R)
• M21: 27,045,500 km (0.12 R)
• M22: 28,778,292 km (0.11 R)
• M23: 31,366,485 km (0.11 R)
• M24: 34,210,639 km (0.116 R)
• M25: 35,266,800 km (0.099 R)
• M26: 36,018,979 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.4

Radius: 7.9

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.08 AU - 7.38 AU

Year: 11643 Days

Day: 20.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,517,738 km

• M1: 98,286 km (0.079 R)
• M2: 390,301 km (0.083 R)
• M3: 723,904 km (0.085 R)
• M4: 1,148,164 km (0.09 R)
• M5: 1,762,861 km (0.079 R)
• M6: 2,622,451 km (0.098 R)
• M7: 3,682,052 km (0.108 R)
• M8: 6,260,072 km (0.049 R)
• M9: 6,534,884 km (0.075 R)
• M10: 6,817,624 km (0.087 R)
• M11: 7,940,057 km (0.067 R)
• M12: 9,081,339 km (0.038 R)
• M13: 9,691,399 km (0.099 R)
• M14: 10,274,232 km (0.077 R)
• M15: 11,220,588 km (0.076 R)
• M16: 11,568,254 km (0.109 R)
• M17: 12,592,102 km (0.1 R)
• M18: 13,675,190 km (0.055 R)
• M19: 14,957,693 km (0.098 R)
• M20: 16,392,486 km (0.105 R)
• M21: 18,312,126 km (0.066 R)
• M22: 19,450,117 km (0.116 R)
• M23: 20,981,700 km (0.089 R)
• M24: 21,509,631 km (0.116 R)
• M25: 23,240,029 km (0.106 R)
• M26: 23,521,423 km (0.088 R)
• M27: 27,078,711 km (0.092 R)
• M28: 33,538,347 km (0.108 R)
• M29: 41,502,937 km (0.058 R)
• M30: 43,460,874 km (0.053 R)
• M31: 44,318,519 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 14,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit