🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 12

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.77 AU - 0.99 AU

Year: 550 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,275,093 km

• M1: 149,747 km (0.104 R)
• M2: 567,425 km (0.066 R)
• M3: 987,196 km (0.084 R)
• M4: 1,440,627 km (0.104 R)
• M5: 1,867,281 km (0.097 R)
• M6: 2,486,017 km (0.106 R)
• M7: 2,994,351 km (0.105 R)
• M8: 3,846,610 km (0.114 R)
• M9: 4,221,652 km (0.106 R)
• M10: 4,667,154 km (0.096 R)
• M11: 5,276,466 km (0.096 R)
• M12: 6,084,744 km (0.119 R)
• M13: 6,694,355 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.3

Radius: 12.8

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.8 AU - 0.98 AU

Year: 560 Days

Day: 7.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,275,093 km

• M1: 159,172 km (0.115 R)
• M2: 572,361 km (0.061 R)
• M3: 1,112,559 km (0.106 R)
• M4: 1,550,283 km (0.11 R)
• M5: 2,159,296 km (0.041 R)
• M6: 2,608,688 km (0.114 R)
• M7: 3,062,119 km (0.074 R)
• M8: 3,633,732 km (0.086 R)
• M9: 4,246,336 km (0.112 R)
• M10: 5,590,323 km (0.102 R)
• M11: 6,083,846 km (0.118 R)
• M12: 6,586,495 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 13.4

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.83 AU - 1.19 AU

Year: 677 Days

Day: 10.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,275,093 km

• M1: 166,802 km (0.116 R)
• M2: 862,432 km (0.112 R)
• M3: 1,483,861 km (0.119 R)
• M4: 1,992,344 km (0.104 R)
• M5: 2,563,210 km (0.089 R)
• M6: 3,179,104 km (0.095 R)
• M7: 3,820,730 km (0.079 R)
• M8: 4,826,327 km (0.117 R)
• M9: 5,364,879 km (0.113 R)
• M10: 7,050,697 km (0.075 R)
• M11: 8,051,058 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.8

Radius: 13

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.25 AU - 2.03 AU

Year: 1401 Days

Day: 5.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,275,093 km

• M1: 161,715 km (0.11 R)
• M2: 792,121 km (0.084 R)
• M3: 1,451,698 km (0.059 R)
• M4: 2,074,623 km (0.113 R)
• M5: 3,531,108 km (0.118 R)
• M6: 4,957,075 km (0.099 R)
• M7: 6,717,543 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 14.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3 AU - 3.82 AU

Year: 4199 Days

Day: 12.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,275,093 km

• M1: 175,329 km (0.074 R)
• M2: 653,892 km (0.101 R)
• M3: 1,228,498 km (0.102 R)
• M4: 1,841,251 km (0.111 R)
• M5: 2,654,764 km (0.09 R)
• M6: 3,592,742 km (0.091 R)
• M7: 4,567,223 km (0.053 R)
• M8: 6,366,586 km (0.12 R)
• M9: 6,939,696 km (0.059 R)
• M10: 8,116,582 km (0.102 R)
• M11: 9,024,791 km (0.072 R)
• M12: 9,626,174 km (0.081 R)
• M13: 11,361,509 km (0.044 R)
• M14: 13,145,015 km (0.066 R)
• M15: 13,971,544 km (0.081 R)
• M16: 16,660,266 km (0.104 R)
• M17: 18,063,793 km (0.08 R)
• M18: 19,347,193 km (0.112 R)
• M19: 20,348,901 km (0.079 R)
• M20: 20,966,441 km (0.098 R)
• M21: 21,667,307 km (0.08 R)
• M22: 24,015,245 km (0.105 R)
• M23: 24,860,174 km (0.03 R)
• M24: 25,884,172 km (0.076 R)
• M25: 26,690,803 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.2

Radius: 7.6

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.74 AU - 7.26 AU

Year: 12350 Days

Day: 16.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 43,275,093 km

• M1: 94,546 km (0.115 R)
• M2: 496,964 km (0.057 R)
• M3: 764,296 km (0.067 R)
• M4: 1,919,041 km (0.119 R)
• M5: 2,622,301 km (0.117 R)
• M6: 3,101,912 km (0.06 R)
• M7: 3,983,941 km (0.109 R)
• M8: 6,308,093 km (0.068 R)
• M9: 7,712,369 km (0.12 R)
• M10: 8,741,752 km (0.111 R)
• M11: 9,809,282 km (0.069 R)
• M12: 11,796,989 km (0.057 R)
• M13: 12,794,507 km (0.099 R)
• M14: 13,159,676 km (0.085 R)
• M15: 13,910,807 km (0.073 R)
• M16: 14,361,994 km (0.092 R)
• M17: 15,158,154 km (0.076 R)
• M18: 15,913,473 km (0.06 R)
• M19: 17,056,551 km (0.107 R)
• M20: 18,330,077 km (0.112 R)
• M21: 19,266,411 km (0.081 R)
• M22: 20,152,329 km (0.07 R)
• M23: 21,918,781 km (0.097 R)
• M24: 27,429,667 km (0.065 R)
• M25: 28,964,990 km (0.079 R)
• M26: 30,882,087 km (0.096 R)
• M27: 31,982,828 km (0.069 R)
• M28: 32,995,606 km (0.106 R)
• M29: 34,730,941 km (0.073 R)
• M30: 39,654,506 km (0.116 R)
• M31: 42,551,319 km (0.114 R)
• M32: 49,802,926 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.4

Radius: 4.2

Gravity: 24.57 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.23 AU - 7.91 AU

Year: 12536 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,275,093 km

• M1: 52,210 km (0.094 R)
• M2: 287,078 km (0.109 R)
• M3: 440,267 km (0.068 R)
• M4: 1,003,353 km (0.109 R)
• M5: 1,574,518 km (0.115 R)
• M6: 2,800,771 km (0.118 R)
• M7: 3,133,776 km (0.1 R)
• M8: 3,345,906 km (0.092 R)
• M9: 4,494,668 km (0.108 R)
• M10: 4,982,207 km (0.101 R)
• M11: 5,238,917 km (0.059 R)
• M12: 5,743,661 km (0.119 R)
• M13: 7,916,719 km (0.038 R)
• M14: 8,090,253 km (0.077 R)
• M15: 8,809,669 km (0.079 R)
• M16: 9,817,360 km (0.095 R)
• M17: 12,115,932 km (0.082 R)
• M18: 14,169,611 km (0.099 R)
• M19: 14,425,423 km (0.093 R)
• M20: 14,946,473 km (0.081 R)
• M21: 18,113,460 km (0.106 R)
• M22: 18,566,741 km (0.05 R)
• M23: 19,733,306 km (0.088 R)
• M24: 22,211,394 km (0.1 R)
• M25: 26,498,271 km (0.091 R)
• M26: 27,874,422 km (0.044 R)
• M27: 28,988,477 km (0.027 R)
• M28: 36,183,686 km (0.057 R)
• M29: 45,584,117 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182

Radius: 5.7

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.66 AU - 10.42 AU

Year: 16642 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,275,093 km

• M1: 71,059 km (0.099 R)
• M2: 283,189 km (0.089 R)
• M3: 1,029,533 km (0.111 R)
• M4: 1,680,732 km (0.081 R)
• M5: 3,776,299 km (0.077 R)
• M6: 3,955,667 km (0.038 R)
• M7: 5,247,744 km (0.083 R)
• M8: 6,075,918 km (0.091 R)
• M9: 8,989,336 km (0.117 R)
• M10: 9,496,622 km (0.09 R)
• M11: 9,877,349 km (0.09 R)
• M12: 11,449,772 km (0.095 R)
• M13: 12,267,474 km (0.034 R)
• M14: 15,017,382 km (0.069 R)
• M15: 15,665,141 km (0.062 R)
• M16: 17,295,907 km (0.079 R)
• M17: 18,007,544 km (0.106 R)
• M18: 19,641,752 km (0.07 R)
• M19: 23,459,190 km (0.118 R)
• M20: 24,419,010 km (0.119 R)
• M21: 26,603,737 km (0.078 R)
• M22: 29,213,323 km (0.084 R)
• M23: 30,528,587 km (0.11 R)
• M24: 32,200,942 km (0.104 R)
• M25: 33,276,550 km (0.092 R)
• M26: 35,272,784 km (0.1 R)
• M27: 37,819,389 km (0.055 R)
• M28: 40,362,104 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 16,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit