🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 13.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.06 AU - 1.18 AU

Year: 765 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,754,109 km

• M1: 169,195 km (0.095 R)
• M2: 658,530 km (0.077 R)
• M3: 1,355,806 km (0.111 R)
• M4: 1,936,694 km (0.112 R)
• M5: 3,254,053 km (0.114 R)
• M6: 3,680,257 km (0.055 R)
• M7: 4,374,691 km (0.045 R)
• M8: 5,050,574 km (0.082 R)
• M9: 5,477,975 km (0.047 R)
• M10: 6,007,102 km (0.049 R)
• M11: 6,653,814 km (0.112 R)
• M12: 7,826,811 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.9

Radius: 10

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.51 AU - 1.71 AU

Year: 1319 Days

Day: 7 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,754,109 km

• M1: 124,465 km (0.052 R)
• M2: 438,920 km (0.08 R)
• M3: 875,447 km (0.026 R)
• M4: 1,206,806 km (0.089 R)
• M5: 1,606,232 km (0.043 R)
• M6: 2,022,713 km (0.118 R)
• M7: 2,373,071 km (0.069 R)
• M8: 3,170,727 km (0.056 R)
• M9: 3,497,897 km (0.047 R)
• M10: 4,425,105 km (0.112 R)
• M11: 5,116,247 km (0.102 R)
• M12: 5,488,147 km (0.091 R)
• M13: 6,133,662 km (0.069 R)
• M14: 6,875,518 km (0.111 R)
• M15: 8,619,081 km (0.077 R)
• M16: 9,203,710 km (0.087 R)
• M17: 9,520,408 km (0.092 R)
• M18: 9,964,116 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.7

Radius: 14.4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.82 AU - 2.68 AU

Year: 2179 Days

Day: 7.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,754,109 km

• M1: 179,218 km (0.1 R)
• M2: 883,226 km (0.111 R)
• M3: 1,603,540 km (0.063 R)
• M4: 2,626,340 km (0.104 R)
• M5: 3,187,183 km (0.118 R)
• M6: 3,890,143 km (0.06 R)
• M7: 4,363,620 km (0.119 R)
• M8: 5,628,321 km (0.108 R)
• M9: 6,280,717 km (0.117 R)
• M10: 7,030,352 km (0.1 R)
• M11: 7,513,254 km (0.042 R)
• M12: 7,992,565 km (0.075 R)
• M13: 9,554,666 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.7

Radius: 12.2

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.27 AU - 3.33 AU

Year: 3025 Days

Day: 13.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,754,109 km

• M1: 151,692 km (0.063 R)
• M2: 539,899 km (0.097 R)
• M3: 1,456,784 km (0.098 R)
• M4: 2,107,385 km (0.113 R)
• M5: 3,729,026 km (0.119 R)
• M6: 4,421,664 km (0.073 R)
• M7: 6,064,099 km (0.109 R)
• M8: 6,546,253 km (0.037 R)
• M9: 7,023,470 km (0.093 R)
• M10: 7,914,625 km (0.093 R)
• M11: 9,205,954 km (0.11 R)
• M12: 9,960,077 km (0.035 R)
• M13: 10,918,999 km (0.071 R)
• M14: 12,202,848 km (0.096 R)
• M15: 13,020,251 km (0.109 R)
• M16: 13,873,557 km (0.108 R)
• M17: 14,512,938 km (0.097 R)
• M18: 14,915,955 km (0.058 R)
• M19: 16,494,661 km (0.101 R)
• M20: 17,721,364 km (0.097 R)
• M21: 20,230,569 km (0.092 R)
• M22: 20,670,686 km (0.111 R)
• M23: 21,440,068 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.5

Radius: 9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.9 AU - 3.72 AU

Year: 3888 Days

Day: 9.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,754,109 km

• M1: 112,049 km (0.072 R)
• M2: 493,972 km (0.091 R)
• M3: 865,124 km (0.109 R)
• M4: 1,538,764 km (0.1 R)
• M5: 1,855,313 km (0.084 R)
• M6: 2,496,489 km (0.106 R)
• M7: 3,429,830 km (0.103 R)
• M8: 3,933,676 km (0.109 R)
• M9: 4,214,770 km (0.084 R)
• M10: 4,579,340 km (0.107 R)
• M11: 5,773,431 km (0.11 R)
• M12: 6,224,019 km (0.096 R)
• M13: 6,758,533 km (0.03 R)
• M14: 7,100,214 km (0.064 R)
• M15: 8,764,341 km (0.059 R)
• M16: 9,667,762 km (0.117 R)
• M17: 11,180,346 km (0.111 R)
• M18: 11,527,114 km (0.118 R)
• M19: 11,925,793 km (0.055 R)
• M20: 12,610,801 km (0.09 R)
• M21: 13,564,488 km (0.118 R)
• M22: 14,260,118 km (0.065 R)
• M23: 16,158,365 km (0.113 R)
• M24: 20,320,627 km (0.098 R)
• M25: 21,033,760 km (0.074 R)
• M26: 22,304,893 km (0.115 R)
• M27: 22,855,114 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.1

Radius: 9.7

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.96 AU - 5.14 AU

Year: 7327 Days

Day: 11.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,754,109 km

• M1: 122,521 km (0.06 R)
• M2: 434,432 km (0.094 R)
• M3: 934,089 km (0.09 R)
• M4: 1,737,579 km (0.115 R)
• M5: 2,427,525 km (0.083 R)
• M6: 4,371,399 km (0.089 R)
• M7: 5,870,370 km (0.096 R)
• M8: 6,172,857 km (0.061 R)
• M9: 6,592,629 km (0.12 R)
• M10: 7,966,984 km (0.103 R)
• M11: 10,917,353 km (0.094 R)
• M12: 11,428,230 km (0.057 R)
• M13: 13,113,600 km (0.051 R)
• M14: 14,711,305 km (0.106 R)
• M15: 15,588,996 km (0.073 R)
• M16: 17,586,875 km (0.083 R)
• M17: 18,147,269 km (0.107 R)
• M18: 18,864,441 km (0.057 R)
• M19: 22,003,752 km (0.062 R)
• M20: 23,654,565 km (0.107 R)
• M21: 25,475,171 km (0.12 R)
• M22: 26,192,792 km (0.043 R)
• M23: 28,045,562 km (0.109 R)
• M24: 30,083,384 km (0.115 R)
• M25: 31,803,759 km (0.078 R)
• M26: 33,269,070 km (0.103 R)
• M27: 35,550,588 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.2

Radius: 7.2

Gravity: 17.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.77 AU - 6.91 AU

Year: 11550 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,754,109 km

• M1: 89,609 km (0.104 R)
• M2: 435,180 km (0.101 R)
• M3: 895,194 km (0.057 R)
• M4: 1,510,938 km (0.071 R)
• M5: 1,759,421 km (0.065 R)
• M6: 2,222,276 km (0.071 R)
• M7: 2,545,707 km (0.109 R)
• M8: 3,338,276 km (0.077 R)
• M9: 3,573,444 km (0.07 R)
• M10: 4,500,652 km (0.101 R)
• M11: 5,122,231 km (0.064 R)
• M12: 6,454,699 km (0.082 R)
• M13: 7,506,522 km (0.061 R)
• M14: 8,050,161 km (0.091 R)
• M15: 9,892,159 km (0.112 R)
• M16: 14,662,536 km (0.096 R)
• M17: 15,296,083 km (0.091 R)
• M18: 16,617,631 km (0.11 R)
• M19: 17,074,652 km (0.104 R)
• M20: 18,093,414 km (0.113 R)
• M21: 18,986,812 km (0.09 R)
• M22: 24,874,087 km (0.119 R)
• M23: 27,429,069 km (0.068 R)
• M24: 35,755,237 km (0.116 R)
• M25: 38,866,125 km (0.096 R)
• M26: 42,860,239 km (0.059 R)
• M27: 43,431,852 km (0.091 R)
• M28: 44,153,363 km (0.045 R)
• M29: 50,692,136 km (0.095 R)
• M30: 51,652,854 km (0.119 R)
• M31: 52,300,164 km (0.081 R)
• M32: 54,943,259 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.8

Radius: 7

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.99 AU - 10.25 AU

Year: 16341 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,754,109 km

• M1: 87,066 km (0.111 R)
• M2: 326,722 km (0.099 R)
• M3: 615,146 km (0.074 R)
• M4: 857,645 km (0.114 R)
• M5: 1,118,394 km (0.109 R)
• M6: 1,618,051 km (0.065 R)
• M7: 2,894,719 km (0.068 R)
• M8: 5,954,743 km (0.119 R)
• M9: 9,437,830 km (0.065 R)
• M10: 10,470,205 km (0.089 R)
• M11: 13,003,047 km (0.099 R)
• M12: 13,630,909 km (0.117 R)
• M13: 15,220,237 km (0.082 R)
• M14: 15,496,544 km (0.103 R)
• M15: 15,776,292 km (0.051 R)
• M16: 16,059,481 km (0.105 R)
• M17: 18,683,278 km (0.098 R)
• M18: 20,471,122 km (0.104 R)
• M19: 23,454,104 km (0.055 R)
• M20: 29,617,087 km (0.074 R)
• M21: 32,608,596 km (0.096 R)
• M22: 33,883,020 km (0.035 R)
• M23: 35,310,782 km (0.037 R)
• M24: 36,039,623 km (0.085 R)
• M25: 37,276,349 km (0.094 R)
• M26: 39,703,873 km (0.12 R)
• M27: 44,447,622 km (0.042 R)
• M28: 45,154,771 km (0.112 R)
• M29: 51,084,082 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.4

Radius: 7.7

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 8.46 AU - 13.8 AU

Year: 23975 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,754,109 km

• M1: 95,743 km (0.081 R)
• M2: 414,685 km (0.084 R)
• M3: 655,837 km (0.104 R)
• M4: 2,250,401 km (0.116 R)
• M5: 2,697,250 km (0.081 R)
• M6: 7,542,725 km (0.099 R)
• M7: 7,953,520 km (0.115 R)
• M8: 8,708,242 km (0.061 R)
• M9: 9,218,071 km (0.115 R)
• M10: 9,568,878 km (0.111 R)
• M11: 12,490,824 km (0.056 R)
• M12: 15,219,489 km (0.074 R)
• M13: 16,895,284 km (0.057 R)
• M14: 17,957,878 km (0.116 R)
• M15: 18,598,007 km (0.086 R)
• M16: 20,215,609 km (0.101 R)
• M17: 21,412,542 km (0.073 R)
• M18: 23,295,530 km (0.102 R)
• M19: 27,029,493 km (0.058 R)
• M20: 34,525,842 km (0.111 R)
• M21: 34,806,637 km (0.047 R)
• M22: 41,216,009 km (0.034 R)
• M23: 47,498,072 km (0.074 R)
• M24: 48,194,300 km (0.064 R)
• M25: 51,047,281 km (0.059 R)
• M26: 54,960,313 km (0.091 R)
• M27: 59,068,570 km (0.113 R)
• M28: 63,167,252 km (0.08 R)
• M29: 65,715,203 km (0.109 R)
• M30: 67,232,873 km (0.098 R)
• M31: 81,957,044 km (0.081 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: 475 - 17,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit