🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.4

Radius: 11.9

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.63 AU - 0.81 AU

Year: 394 Days

Day: 13.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,324,967 km

• M1: 147,952 km (0.086 R)
• M2: 754,572 km (0.07 R)
• M3: 1,186,311 km (0.053 R)
• M4: 1,697,038 km (0.119 R)
• M5: 2,596,121 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.3

Radius: 12.9

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.46 AU - 2.18 AU

Year: 1585 Days

Day: 11 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,324,967 km

• M1: 160,369 km (0.032 R)
• M2: 751,430 km (0.077 R)
• M3: 1,172,698 km (0.049 R)
• M4: 1,948,961 km (0.106 R)
• M5: 2,389,377 km (0.063 R)
• M6: 3,091,739 km (0.086 R)
• M7: 3,645,102 km (0.096 R)
• M8: 4,206,692 km (0.046 R)
• M9: 4,701,263 km (0.042 R)
• M10: 5,903,581 km (0.115 R)
• M11: 6,919,350 km (0.09 R)
• M12: 8,471,428 km (0.068 R)
• M13: 9,627,969 km (0.06 R)
• M14: 12,057,140 km (0.098 R)
• M15: 13,476,823 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.1

Radius: 14.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.01 AU - 2.19 AU

Year: 1965 Days

Day: 10.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,324,967 km

• M1: 175,329 km (0.065 R)
• M2: 682,166 km (0.098 R)
• M3: 1,569,282 km (0.095 R)
• M4: 2,014,036 km (0.099 R)
• M5: 2,510,103 km (0.095 R)
• M6: 3,101,613 km (0.108 R)
• M7: 3,664,849 km (0.088 R)
• M8: 4,131,594 km (0.106 R)
• M9: 4,962,012 km (0.054 R)
• M10: 6,026,550 km (0.085 R)
• M11: 6,568,693 km (0.115 R)
• M12: 7,096,025 km (0.066 R)
• M13: 7,676,615 km (0.088 R)
• M14: 8,499,852 km (0.092 R)
• M15: 9,071,465 km (0.093 R)
• M16: 9,524,298 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954

Radius: 14

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.82 AU - 3.94 AU

Year: 4012 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,324,967 km

• M1: 177,124 km (0.056 R)
• M2: 637,287 km (0.118 R)
• M3: 1,078,750 km (0.061 R)
• M4: 1,774,979 km (0.11 R)
• M5: 2,318,617 km (0.113 R)
• M6: 3,009,909 km (0.095 R)
• M7: 4,059,039 km (0.12 R)
• M8: 5,230,091 km (0.117 R)
• M9: 5,792,430 km (0.115 R)
• M10: 7,005,967 km (0.105 R)
• M11: 7,977,306 km (0.031 R)
• M12: 8,533,661 km (0.072 R)
• M13: 9,765,749 km (0.106 R)
• M14: 13,285,787 km (0.086 R)
• M15: 15,273,643 km (0.09 R)
• M16: 15,958,951 km (0.046 R)
• M17: 17,086,022 km (0.108 R)
• M18: 17,887,417 km (0.104 R)
• M19: 19,168,873 km (0.062 R)
• M20: 21,914,442 km (0.12 R)
• M21: 24,756,503 km (0.108 R)
• M22: 25,862,929 km (0.074 R)
• M23: 26,509,939 km (0.118 R)
• M24: 27,250,599 km (0.027 R)
• M25: 27,751,901 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.3

Radius: 11.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.04 AU - 5.1 AU

Year: 6308 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,324,967 km

• M1: 139,276 km (0.118 R)
• M2: 549,323 km (0.088 R)
• M3: 1,120,937 km (0.078 R)
• M4: 1,523,355 km (0.093 R)
• M5: 1,891,815 km (0.103 R)
• M6: 2,612,128 km (0.117 R)
• M7: 3,917,968 km (0.054 R)
• M8: 4,648,305 km (0.082 R)
• M9: 5,348,872 km (0.062 R)
• M10: 9,729,098 km (0.085 R)
• M11: 11,066,353 km (0.043 R)
• M12: 12,839,237 km (0.12 R)
• M13: 13,269,780 km (0.109 R)
• M14: 16,558,390 km (0.112 R)
• M15: 20,066,011 km (0.117 R)
• M16: 21,312,610 km (0.114 R)
• M17: 33,406,551 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.4

Radius: 3.1

Gravity: 43.95 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.13 AU - 9.87 AU

Year: 17433 Days

Day: 24.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,324,967 km

• M1: 39,195 km (0.114 R)
• M2: 145,858 km (0.119 R)
• M3: 245,939 km (0.076 R)
• M4: 349,610 km (0.052 R)
• M5: 532,568 km (0.105 R)
• M6: 1,391,410 km (0.089 R)
• M7: 2,160,941 km (0.081 R)
• M8: 2,816,928 km (0.025 R)
• M9: 3,678,312 km (0.087 R)
• M10: 4,138,775 km (0.093 R)
• M11: 5,069,423 km (0.113 R)
• M12: 8,830,912 km (0.109 R)
• M13: 10,026,049 km (0.11 R)
• M14: 10,465,717 km (0.118 R)
• M15: 12,541,687 km (0.118 R)
• M16: 13,709,149 km (0.086 R)
• M17: 32,245,223 km (0.093 R)
• M18: 37,472,023 km (0.094 R)
• M19: 38,394,593 km (0.096 R)
• M20: 42,378,384 km (0.066 R)
• M21: 48,623,198 km (0.112 R)
• M22: 49,248,068 km (0.116 R)
• M23: 50,195,471 km (0.119 R)
• M24: 53,772,955 km (0.075 R)
• M25: 58,390,891 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.2

Radius: 4.1

Gravity: 44.57 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.74 AU - 11.22 AU

Year: 20357 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 79,324,967 km

• M1: 51,013 km (0.119 R)
• M2: 221,106 km (0.119 R)
• M3: 629,807 km (0.072 R)
• M4: 817,104 km (0.103 R)
• M5: 1,079,797 km (0.096 R)
• M6: 1,274,873 km (0.073 R)
• M7: 1,509,592 km (0.072 R)
• M8: 2,412,565 km (0.097 R)
• M9: 4,164,954 km (0.111 R)
• M10: 4,400,870 km (0.081 R)
• M11: 4,681,516 km (0.09 R)
• M12: 8,124,810 km (0.109 R)
• M13: 9,039,003 km (0.088 R)
• M14: 10,443,577 km (0.115 R)
• M15: 10,753,394 km (0.088 R)
• M16: 11,719,946 km (0.079 R)
• M17: 11,853,088 km (0.106 R)
• M18: 12,464,495 km (0.118 R)
• M19: 13,384,671 km (0.12 R)
• M20: 14,654,907 km (0.1 R)
• M21: 14,809,441 km (0.09 R)
• M22: 15,279,478 km (0.12 R)
• M23: 19,035,731 km (0.114 R)
• M24: 22,023,200 km (0.085 R)
• M25: 24,215,407 km (0.085 R)
• M26: 24,867,504 km (0.088 R)
• M27: 28,304,366 km (0.106 R)
• M28: 28,544,022 km (0.112 R)
• M29: 31,785,658 km (0.026 R)
• M30: 32,044,612 km (0.061 R)
• M31: 33,227,931 km (0.11 R)
• M32: 35,681,037 km (0.07 R)
• M33: 39,136,149 km (0.09 R)
• M34: 41,097,527 km (0.109 R)
• M35: 51,714,937 km (0.055 R)
• M36: 53,706,533 km (0.104 R)
• M37: 54,814,006 km (0.108 R)
• M38: 63,610,062 km (0.108 R)
• M39: 65,684,835 km (0.094 R)
• M40: 66,105,055 km (0.092 R)
• M41: 68,018,561 km (0.067 R)
• M42: 72,178,729 km (0.112 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: 423 - 13,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit