🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.2

Radius: 11.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.97 AU - 0.97 AU

Year: 627 Days

Day: 7 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,874,117 km

• M1: 143,016 km (0.106 R)
• M2: 528,380 km (0.109 R)
• M3: 962,812 km (0.12 R)
• M4: 1,627,026 km (0.111 R)
• M5: 2,198,042 km (0.085 R)
• M6: 3,033,546 km (0.094 R)
• M7: 3,393,179 km (0.111 R)
• M8: 3,980,201 km (0.073 R)
• M9: 4,564,081 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.7

Radius: 9.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.02 AU - 1.08 AU

Year: 706 Days

Day: 8.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,874,117 km

• M1: 118,182 km (0.113 R)
• M2: 414,087 km (0.032 R)
• M3: 792,420 km (0.113 R)
• M4: 1,222,963 km (0.073 R)
• M5: 1,560,156 km (0.083 R)
• M6: 2,035,728 km (0.071 R)
• M7: 2,350,781 km (0.111 R)
• M8: 2,761,577 km (0.07 R)
• M9: 3,715,263 km (0.106 R)
• M10: 4,275,058 km (0.092 R)
• M11: 4,598,040 km (0.116 R)
• M12: 5,806,641 km (0.114 R)
• M13: 6,148,622 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.2

Radius: 10.8

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.53 AU - 3.83 AU

Year: 4631 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,874,117 km

• M1: 134,339 km (0.104 R)
• M2: 472,280 km (0.103 R)
• M3: 1,067,082 km (0.078 R)
• M4: 2,123,093 km (0.112 R)
• M5: 2,929,126 km (0.056 R)
• M6: 3,579,279 km (0.098 R)
• M7: 4,420,019 km (0.098 R)
• M8: 4,874,347 km (0.111 R)
• M9: 6,026,700 km (0.104 R)
• M10: 6,459,187 km (0.091 R)
• M11: 7,079,270 km (0.113 R)
• M12: 7,596,430 km (0.102 R)
• M13: 10,394,658 km (0.04 R)
• M14: 11,292,844 km (0.047 R)
• M15: 11,713,663 km (0.088 R)
• M16: 13,140,976 km (0.102 R)
• M17: 13,976,630 km (0.109 R)
• M18: 14,461,925 km (0.049 R)
• M19: 18,180,330 km (0.08 R)
• M20: 20,776,900 km (0.071 R)
• M21: 22,565,792 km (0.026 R)
• M22: 25,239,554 km (0.118 R)
• M23: 27,693,857 km (0.048 R)
• M24: 29,240,549 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.2

Radius: 12.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.8 AU - 4.64 AU

Year: 4707 Days

Day: 9.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,874,117 km

• M1: 155,432 km (0.114 R)
• M2: 734,675 km (0.116 R)
• M3: 1,244,804 km (0.113 R)
• M4: 1,869,375 km (0.111 R)
• M5: 2,650,425 km (0.09 R)
• M6: 3,203,040 km (0.115 R)
• M7: 4,155,530 km (0.074 R)
• M8: 4,675,681 km (0.11 R)
• M9: 5,562,946 km (0.106 R)
• M10: 6,731,605 km (0.07 R)
• M11: 7,451,769 km (0.11 R)
• M12: 7,927,490 km (0.068 R)
• M13: 8,559,093 km (0.115 R)
• M14: 9,885,577 km (0.117 R)
• M15: 10,657,502 km (0.054 R)
• M16: 13,399,780 km (0.102 R)
• M17: 13,867,124 km (0.1 R)
• M18: 16,528,919 km (0.061 R)
• M19: 17,560,995 km (0.111 R)
• M20: 18,751,196 km (0.111 R)
• M21: 19,455,053 km (0.098 R)
• M22: 20,298,337 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.9

Radius: 14

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.11 AU - 6.09 AU

Year: 7556 Days

Day: 14.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,874,117 km

• M1: 174,730 km (0.105 R)
• M2: 635,492 km (0.086 R)
• M3: 1,109,567 km (0.09 R)
• M4: 1,568,683 km (0.069 R)
• M5: 2,141,344 km (0.042 R)
• M6: 3,016,791 km (0.081 R)
• M7: 3,573,444 km (0.102 R)
• M8: 6,739,982 km (0.066 R)
• M9: 9,511,133 km (0.062 R)
• M10: 13,608,021 km (0.1 R)
• M11: 15,715,855 km (0.056 R)
• M12: 20,337,382 km (0.078 R)
• M13: 23,421,940 km (0.087 R)
• M14: 26,620,193 km (0.116 R)
• M15: 32,262,875 km (0.059 R)
• M16: 33,436,770 km (0.102 R)
• M17: 36,324,457 km (0.111 R)
• M18: 36,782,975 km (0.091 R)
• M19: 39,495,184 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.1

Radius: 7.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.91 AU - 7.61 AU

Year: 10275 Days

Day: 23.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 81.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,874,117 km

• M1: 89,609 km (0.087 R)
• M2: 348,264 km (0.113 R)
• M3: 666,459 km (0.108 R)
• M4: 1,402,630 km (0.075 R)
• M5: 2,521,472 km (0.062 R)
• M6: 2,754,396 km (0.053 R)
• M7: 3,368,645 km (0.073 R)
• M8: 4,573,207 km (0.084 R)
• M9: 5,201,069 km (0.113 R)
• M10: 6,104,790 km (0.109 R)
• M11: 6,831,237 km (0.107 R)
• M12: 7,540,331 km (0.119 R)
• M13: 10,365,487 km (0.077 R)
• M14: 11,061,566 km (0.063 R)
• M15: 12,859,134 km (0.075 R)
• M16: 13,608,021 km (0.101 R)
• M17: 13,882,383 km (0.101 R)
• M18: 16,896,182 km (0.077 R)
• M19: 17,277,058 km (0.111 R)
• M20: 18,321,102 km (0.082 R)
• M21: 20,248,371 km (0.103 R)
• M22: 25,650,201 km (0.081 R)
• M23: 26,835,016 km (0.11 R)
• M24: 31,459,834 km (0.088 R)
• M25: 32,133,323 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.1

Radius: 7.9

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.57 AU - 7.51 AU

Year: 12254 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,874,117 km

• M1: 98,435 km (0.051 R)
• M2: 516,262 km (0.111 R)
• M3: 829,819 km (0.114 R)
• M4: 1,335,759 km (0.073 R)
• M5: 1,911,113 km (0.11 R)
• M6: 3,520,187 km (0.088 R)
• M7: 4,215,668 km (0.094 R)
• M8: 6,178,392 km (0.11 R)
• M9: 6,690,316 km (0.106 R)
• M10: 7,445,336 km (0.071 R)
• M11: 8,877,138 km (0.098 R)
• M12: 10,871,876 km (0.1 R)
• M13: 11,212,061 km (0.111 R)
• M14: 14,601,351 km (0.113 R)
• M15: 14,946,174 km (0.072 R)
• M16: 16,085,960 km (0.071 R)
• M17: 17,746,496 km (0.1 R)
• M18: 21,849,517 km (0.103 R)
• M19: 22,666,321 km (0.101 R)
• M20: 26,954,395 km (0.094 R)
• M21: 27,683,086 km (0.056 R)
• M22: 38,255,317 km (0.086 R)
• M23: 38,647,862 km (0.108 R)
• M24: 41,059,230 km (0.059 R)
• M25: 43,285,396 km (0.066 R)
• M26: 45,298,235 km (0.107 R)
• M27: 46,032,013 km (0.096 R)
• M28: 46,624,720 km (0.056 R)
• M29: 48,739,285 km (0.116 R)
• M30: 49,664,698 km (0.086 R)
• M31: 52,996,242 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.3

Radius: 8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.26 AU - 8.26 AU

Year: 12833 Days

Day: 15 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,874,117 km

• M1: 126,560 km (0.111 R)
• M2: 1,088,624 km (0.113 R)
• M3: 2,295,879 km (0.074 R)
• M4: 2,570,839 km (0.106 R)
• M5: 3,386,746 km (0.104 R)
• M6: 3,832,548 km (0.088 R)
• M7: 4,104,367 km (0.074 R)
• M8: 4,763,944 km (0.107 R)
• M9: 6,047,494 km (0.079 R)
• M10: 6,607,588 km (0.114 R)
• M11: 9,159,578 km (0.08 R)
• M12: 9,689,155 km (0.107 R)
• M13: 11,171,071 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.5

Radius: 7.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.11 AU - 8.73 AU

Year: 16028 Days

Day: 24.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,874,117 km

• M1: 94,546 km (0.086 R)
• M2: 371,751 km (0.032 R)
• M3: 754,123 km (0.094 R)
• M4: 1,576,762 km (0.105 R)
• M5: 1,859,202 km (0.079 R)
• M6: 2,400,148 km (0.105 R)
• M7: 4,632,747 km (0.097 R)
• M8: 5,817,861 km (0.115 R)
• M9: 6,498,532 km (0.069 R)
• M10: 8,644,064 km (0.09 R)
• M11: 9,212,835 km (0.103 R)
• M12: 11,531,004 km (0.097 R)
• M13: 14,033,327 km (0.102 R)
• M14: 14,452,800 km (0.105 R)
• M15: 18,184,519 km (0.119 R)
• M16: 20,461,698 km (0.091 R)
• M17: 24,095,579 km (0.04 R)
• M18: 26,109,316 km (0.074 R)
• M19: 27,855,273 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 17,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit