🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.8

Radius: 10.4

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.68 AU - 0.92 AU

Year: 494 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,025,125 km

• M1: 129,402 km (0.059 R)
• M2: 624,272 km (0.052 R)
• M3: 1,094,757 km (0.088 R)
• M4: 1,484,908 km (0.115 R)
• M5: 1,912,160 km (0.077 R)
• M6: 2,449,067 km (0.088 R)
• M7: 2,868,090 km (0.097 R)
• M8: 3,323,018 km (0.078 R)
• M9: 3,661,109 km (0.104 R)
• M10: 4,089,108 km (0.094 R)
• M11: 4,682,114 km (0.118 R)
• M12: 5,299,355 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.5

Radius: 12.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.57 AU - 2.37 AU

Year: 1909 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,025,125 km

• M1: 160,369 km (0.039 R)
• M2: 591,360 km (0.043 R)
• M3: 1,000,511 km (0.099 R)
• M4: 1,452,147 km (0.107 R)
• M5: 2,202,978 km (0.095 R)
• M6: 3,322,718 km (0.105 R)
• M7: 4,545,830 km (0.081 R)
• M8: 5,008,238 km (0.107 R)
• M9: 5,581,048 km (0.081 R)
• M10: 6,239,877 km (0.099 R)
• M11: 7,159,455 km (0.112 R)
• M12: 7,812,898 km (0.111 R)
• M13: 8,400,668 km (0.116 R)
• M14: 9,493,182 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.5

Radius: 14.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.21 AU - 2.57 AU

Year: 2550 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,025,125 km

• M1: 184,005 km (0.094 R)
• M2: 712,235 km (0.065 R)
• M3: 1,465,012 km (0.119 R)
• M4: 1,966,614 km (0.073 R)
• M5: 2,468,215 km (0.102 R)
• M6: 3,006,468 km (0.075 R)
• M7: 4,302,435 km (0.043 R)
• M8: 4,924,762 km (0.102 R)
• M9: 6,105,089 km (0.118 R)
• M10: 6,719,039 km (0.099 R)
• M11: 7,312,793 km (0.073 R)
• M12: 7,909,239 km (0.107 R)
• M13: 8,606,066 km (0.048 R)
• M14: 9,709,500 km (0.105 R)
• M15: 10,945,478 km (0.082 R)
• M16: 12,024,976 km (0.056 R)
• M17: 13,964,662 km (0.066 R)
• M18: 14,639,199 km (0.108 R)
• M19: 19,625,894 km (0.089 R)
• M20: 20,167,588 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.4

Radius: 9.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.74 AU - 2.96 AU

Year: 3321 Days

Day: 6.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,025,125 km

• M1: 121,922 km (0.118 R)
• M2: 479,312 km (0.076 R)
• M3: 888,761 km (0.1 R)
• M4: 1,474,586 km (0.119 R)
• M5: 1,988,754 km (0.052 R)
• M6: 3,247,022 km (0.117 R)
• M7: 4,553,759 km (0.041 R)
• M8: 5,485,305 km (0.074 R)
• M9: 6,232,098 km (0.11 R)
• M10: 6,722,330 km (0.112 R)
• M11: 7,897,870 km (0.112 R)
• M12: 9,876,003 km (0.04 R)
• M13: 10,723,774 km (0.117 R)
• M14: 11,091,037 km (0.086 R)
• M15: 11,928,635 km (0.095 R)
• M16: 12,726,141 km (0.117 R)
• M17: 13,815,363 km (0.094 R)
• M18: 14,427,219 km (0.116 R)
• M19: 15,286,210 km (0.05 R)
• M20: 15,704,784 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.2

Radius: 13.9

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.96 AU - 2.98 AU

Year: 3533 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,025,125 km

• M1: 173,683 km (0.12 R)
• M2: 889,210 km (0.105 R)
• M3: 1,412,802 km (0.031 R)
• M4: 1,892,114 km (0.065 R)
• M5: 3,247,022 km (0.098 R)
• M6: 6,428,370 km (0.103 R)
• M7: 7,808,111 km (0.112 R)
• M8: 9,532,975 km (0.095 R)
• M9: 11,278,632 km (0.101 R)
• M10: 12,367,406 km (0.082 R)
• M11: 13,624,626 km (0.094 R)
• M12: 14,543,755 km (0.077 R)
• M13: 15,395,117 km (0.101 R)
• M14: 16,335,938 km (0.085 R)
• M15: 17,609,764 km (0.105 R)
• M16: 21,083,726 km (0.098 R)
• M17: 22,313,420 km (0.116 R)
• M18: 23,302,561 km (0.052 R)

Asteroid Belt

Center: 5.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.2

Radius: 6.6

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.26 AU - 7.58 AU

Year: 13951 Days

Day: 22.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,025,125 km

• M1: 82,428 km (0.105 R)
• M2: 329,714 km (0.049 R)
• M3: 601,832 km (0.031 R)
• M4: 1,118,693 km (0.099 R)
• M5: 1,341,893 km (0.1 R)
• M6: 2,553,636 km (0.115 R)
• M7: 2,994,351 km (0.115 R)
• M8: 4,591,009 km (0.108 R)
• M9: 5,278,262 km (0.104 R)
• M10: 5,534,373 km (0.106 R)
• M11: 7,520,584 km (0.079 R)
• M12: 8,276,502 km (0.088 R)
• M13: 8,723,351 km (0.085 R)
• M14: 10,906,433 km (0.066 R)
• M15: 11,687,782 km (0.108 R)
• M16: 12,570,559 km (0.091 R)
• M17: 14,256,079 km (0.081 R)
• M18: 17,177,576 km (0.104 R)
• M19: 19,505,767 km (0.097 R)
• M20: 20,030,706 km (0.115 R)
• M21: 21,108,858 km (0.061 R)
• M22: 22,130,611 km (0.113 R)
• M23: 26,976,984 km (0.067 R)
• M24: 29,531,517 km (0.097 R)
• M25: 30,690,751 km (0.1 R)
• M26: 32,121,655 km (0.091 R)
• M27: 33,099,875 km (0.086 R)
• M28: 39,113,261 km (0.12 R)
• M29: 43,108,721 km (0.079 R)
• M30: 44,749,959 km (0.104 R)
• M31: 46,432,486 km (0.076 R)
• M32: 49,598,875 km (0.038 R)
• M33: 51,732,440 km (0.06 R)
• M34: 53,584,910 km (0.09 R)
• M35: 54,959,715 km (0.119 R)
• M36: 59,042,839 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.7

Radius: 5.1

Gravity: 20.25 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.85 AU - 10.75 AU

Year: 18019 Days

Day: 20.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,025,125 km

• M1: 63,429 km (0.103 R)
• M2: 230,530 km (0.085 R)
• M3: 545,135 km (0.111 R)
• M4: 1,178,981 km (0.081 R)
• M5: 1,444,068 km (0.096 R)
• M6: 1,888,524 km (0.081 R)
• M7: 2,684,833 km (0.043 R)
• M8: 4,315,151 km (0.057 R)
• M9: 4,540,595 km (0.105 R)
• M10: 4,740,158 km (0.046 R)
• M11: 5,559,506 km (0.065 R)
• M12: 7,706,086 km (0.091 R)
• M13: 12,542,585 km (0.117 R)
• M14: 13,202,760 km (0.111 R)
• M15: 13,609,816 km (0.091 R)
• M16: 15,470,813 km (0.084 R)
• M17: 18,234,933 km (0.098 R)
• M18: 18,824,648 km (0.095 R)
• M19: 19,689,174 km (0.087 R)
• M20: 24,008,364 km (0.066 R)
• M21: 25,647,508 km (0.074 R)
• M22: 25,962,860 km (0.112 R)
• M23: 30,891,063 km (0.1 R)
• M24: 31,128,923 km (0.08 R)
• M25: 31,487,809 km (0.069 R)
• M26: 32,827,458 km (0.119 R)
• M27: 33,075,042 km (0.084 R)
• M28: 34,204,506 km (0.106 R)
• M29: 37,073,644 km (0.112 R)
• M30: 47,578,556 km (0.109 R)
• M31: 51,144,819 km (0.103 R)
• M32: 57,357,918 km (0.089 R)
• M33: 58,803,781 km (0.069 R)
• M34: 59,352,207 km (0.105 R)
• M35: 60,088,678 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 13,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit