🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 12.6

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.69 AU - 0.81 AU

Year: 441 Days

Day: 7.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 64,327,882 km

• M1: 158,125 km (0.056 R)
• M2: 658,231 km (0.075 R)
• M3: 1,195,287 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.7

Radius: 13.5

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.65 AU - 1.01 AU

Year: 513 Days

Day: 10.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,327,882 km

• M1: 167,849 km (0.096 R)
• M2: 658,231 km (0.112 R)
• M3: 1,136,046 km (0.057 R)
• M4: 1,684,322 km (0.079 R)
• M5: 2,242,023 km (0.118 R)
• M6: 2,757,687 km (0.101 R)
• M7: 3,311,648 km (0.113 R)
• M8: 4,020,443 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162

Radius: 14.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.8 AU - 1.08 AU

Year: 618 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 157.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,327,882 km

• M1: 179,069 km (0.103 R)
• M2: 674,836 km (0.114 R)
• M3: 1,205,310 km (0.073 R)
• M4: 1,655,300 km (0.064 R)
• M5: 2,119,353 km (0.086 R)
• M6: 3,288,012 km (0.084 R)
• M7: 3,926,795 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.3

Radius: 14.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.84 AU - 1.34 AU

Year: 772 Days

Day: 5.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,327,882 km

• M1: 181,911 km (0.119 R)
• M2: 629,807 km (0.042 R)
• M3: 1,358,797 km (0.096 R)
• M4: 1,975,141 km (0.12 R)
• M5: 2,453,555 km (0.094 R)
• M6: 2,906,537 km (0.112 R)
• M7: 3,473,812 km (0.096 R)
• M8: 4,114,540 km (0.097 R)
• M9: 4,660,422 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 13.9

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.43 AU - 2.03 AU

Year: 1543 Days

Day: 11.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 64,327,882 km

• M1: 178,470 km (0.115 R)
• M2: 688,001 km (0.044 R)
• M3: 2,470,310 km (0.119 R)
• M4: 3,867,404 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.4

Radius: 13.2

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.4 AU - 5.38 AU

Year: 6239 Days

Day: 10.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,327,882 km

• M1: 164,558 km (0.095 R)
• M2: 752,178 km (0.051 R)
• M3: 1,647,970 km (0.11 R)
• M4: 2,565,304 km (0.07 R)
• M5: 3,150,232 km (0.118 R)
• M6: 3,895,529 km (0.073 R)
• M7: 4,350,007 km (0.079 R)
• M8: 5,519,413 km (0.056 R)
• M9: 6,888,683 km (0.09 R)
• M10: 7,404,795 km (0.06 R)
• M11: 7,828,307 km (0.091 R)
• M12: 8,556,549 km (0.075 R)
• M13: 9,023,444 km (0.111 R)
• M14: 10,055,071 km (0.109 R)
• M15: 13,623,728 km (0.066 R)
• M16: 14,439,186 km (0.095 R)
• M17: 14,980,432 km (0.092 R)
• M18: 15,786,166 km (0.106 R)
• M19: 17,081,982 km (0.099 R)
• M20: 17,619,787 km (0.115 R)
• M21: 19,013,740 km (0.086 R)
• M22: 20,255,402 km (0.097 R)
• M23: 21,087,166 km (0.112 R)
• M24: 24,136,719 km (0.108 R)
• M25: 27,560,715 km (0.084 R)
• M26: 28,394,573 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 11

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.56 AU - 4.92 AU

Year: 6999 Days

Day: 11.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,327,882 km

• M1: 136,732 km (0.076 R)
• M2: 500,405 km (0.072 R)
• M3: 870,959 km (0.104 R)
• M4: 1,386,772 km (0.093 R)
• M5: 1,806,095 km (0.075 R)
• M6: 2,965,479 km (0.107 R)
• M7: 4,329,811 km (0.11 R)
• M8: 4,755,866 km (0.071 R)
• M9: 6,205,320 km (0.088 R)
• M10: 7,067,751 km (0.12 R)
• M11: 7,660,458 km (0.025 R)
• M12: 9,863,436 km (0.118 R)
• M13: 10,651,668 km (0.092 R)
• M14: 11,784,273 km (0.082 R)
• M15: 12,671,837 km (0.114 R)
• M16: 15,664,393 km (0.101 R)
• M17: 17,258,508 km (0.114 R)
• M18: 17,723,608 km (0.117 R)
• M19: 19,668,230 km (0.108 R)
• M20: 20,916,176 km (0.081 R)
• M21: 25,571,811 km (0.112 R)
• M22: 28,231,512 km (0.065 R)
• M23: 31,958,144 km (0.112 R)
• M24: 33,783,687 km (0.034 R)
• M25: 35,570,933 km (0.112 R)
• M26: 36,000,428 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.8

Radius: 6

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.58 AU - 9.18 AU

Year: 13598 Days

Day: 15.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,327,882 km

• M1: 74,649 km (0.104 R)
• M2: 304,432 km (0.048 R)
• M3: 581,038 km (0.055 R)
• M4: 822,788 km (0.034 R)
• M5: 1,225,655 km (0.092 R)
• M6: 1,528,591 km (0.074 R)
• M7: 2,399,699 km (0.086 R)
• M8: 5,701,923 km (0.082 R)
• M9: 5,986,757 km (0.075 R)
• M10: 6,819,419 km (0.06 R)
• M11: 7,683,945 km (0.104 R)
• M12: 9,628,119 km (0.113 R)
• M13: 9,879,593 km (0.036 R)
• M14: 10,083,794 km (0.098 R)
• M15: 10,343,047 km (0.054 R)
• M16: 11,092,832 km (0.105 R)
• M17: 11,593,685 km (0.086 R)
• M18: 11,820,925 km (0.059 R)
• M19: 12,109,349 km (0.109 R)
• M20: 13,622,083 km (0.116 R)
• M21: 16,297,641 km (0.056 R)
• M22: 18,831,380 km (0.07 R)
• M23: 19,784,917 km (0.104 R)
• M24: 22,047,435 km (0.095 R)
• M25: 23,466,520 km (0.066 R)
• M26: 25,804,137 km (0.104 R)
• M27: 28,189,924 km (0.051 R)
• M28: 28,498,095 km (0.093 R)
• M29: 31,373,965 km (0.048 R)
• M30: 33,052,303 km (0.047 R)
• M31: 38,068,769 km (0.104 R)
• M32: 41,813,802 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.8

Radius: 5.4

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.65 AU - 11.63 AU

Year: 23540 Days

Day: 23.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,327,882 km

• M1: 67,169 km (0.068 R)
• M2: 355,893 km (0.109 R)
• M3: 1,263,055 km (0.093 R)
• M4: 2,192,656 km (0.098 R)
• M5: 2,615,270 km (0.112 R)
• M6: 3,269,611 km (0.108 R)
• M7: 3,879,073 km (0.115 R)
• M8: 4,088,061 km (0.093 R)
• M9: 4,273,114 km (0.117 R)
• M10: 4,794,163 km (0.105 R)
• M11: 5,140,781 km (0.089 R)
• M12: 5,393,153 km (0.044 R)
• M13: 5,806,641 km (0.115 R)
• M14: 6,040,762 km (0.064 R)
• M15: 6,362,846 km (0.099 R)
• M16: 8,641,671 km (0.064 R)
• M17: 9,419,131 km (0.031 R)
• M18: 10,875,616 km (0.108 R)
• M19: 11,231,958 km (0.098 R)
• M20: 12,283,780 km (0.119 R)
• M21: 14,941,985 km (0.055 R)
• M22: 17,310,568 km (0.101 R)
• M23: 23,853,081 km (0.099 R)
• M24: 27,723,029 km (0.103 R)
• M25: 28,053,939 km (0.113 R)
• M26: 28,611,490 km (0.094 R)
• M27: 32,968,678 km (0.106 R)
• M28: 40,372,875 km (0.104 R)
• M29: 46,601,681 km (0.111 R)
• M30: 50,433,332 km (0.088 R)
• M31: 51,257,167 km (0.064 R)
• M32: 51,755,777 km (0.103 R)
• M33: 52,425,527 km (0.117 R)
• M34: 52,762,571 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 17,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit