🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.6

Radius: 12.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.1 AU - 1.16 AU

Year: 844 Days

Day: 12.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,699,841 km

• M1: 160,519 km (0.115 R)
• M2: 577,597 km (0.102 R)
• M3: 988,244 km (0.086 R)
• M4: 1,397,095 km (0.104 R)
• M5: 2,100,952 km (0.093 R)
• M6: 3,128,241 km (0.072 R)
• M7: 3,686,690 km (0.04 R)
• M8: 4,189,638 km (0.113 R)
• M9: 5,107,571 km (0.117 R)
• M10: 5,532,428 km (0.101 R)
• M11: 6,373,168 km (0.1 R)
• M12: 7,609,595 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.4

Radius: 8.6

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.32 AU - 1.78 AU

Year: 1356 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,699,841 km

• M1: 106,962 km (0.12 R)
• M2: 382,223 km (0.092 R)
• M3: 711,787 km (0.078 R)
• M4: 1,173,147 km (0.111 R)
• M5: 1,459,477 km (0.104 R)
• M6: 2,050,987 km (0.041 R)
• M7: 2,589,689 km (0.062 R)
• M8: 3,266,170 km (0.04 R)
• M9: 3,671,431 km (0.095 R)
• M10: 4,220,306 km (0.094 R)
• M11: 4,524,288 km (0.081 R)
• M12: 4,863,427 km (0.111 R)
• M13: 5,134,199 km (0.092 R)
• M14: 5,660,634 km (0.095 R)
• M15: 5,984,064 km (0.072 R)
• M16: 6,872,975 km (0.111 R)
• M17: 7,512,655 km (0.114 R)
• M18: 8,162,509 km (0.117 R)
• M19: 9,802,101 km (0.054 R)
• M20: 10,821,760 km (0.1 R)
• M21: 11,985,781 km (0.09 R)
• M22: 12,991,229 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.1

Radius: 11.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.31 AU - 2.01 AU

Year: 1503 Days

Day: 12.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,699,841 km

• M1: 146,756 km (0.108 R)
• M2: 561,740 km (0.046 R)
• M3: 974,929 km (0.052 R)
• M4: 1,564,195 km (0.087 R)
• M5: 3,649,889 km (0.068 R)
• M6: 4,816,902 km (0.108 R)
• M7: 5,653,304 km (0.117 R)
• M8: 6,106,585 km (0.064 R)
• M9: 6,514,389 km (0.063 R)
• M10: 7,334,484 km (0.06 R)
• M11: 8,720,509 km (0.117 R)
• M12: 9,121,880 km (0.106 R)
• M13: 9,716,681 km (0.119 R)
• M14: 11,418,805 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.8

Radius: 11.4

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.7 AU - 1.96 AU

Year: 1740 Days

Day: 12.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,699,841 km

• M1: 144,512 km (0.091 R)
• M2: 500,704 km (0.112 R)
• M3: 1,141,581 km (0.062 R)
• M4: 1,803,402 km (0.068 R)
• M5: 2,198,490 km (0.092 R)
• M6: 2,583,256 km (0.096 R)
• M7: 3,695,815 km (0.108 R)
• M8: 4,244,391 km (0.084 R)
• M9: 5,213,037 km (0.115 R)
• M10: 5,856,757 km (0.12 R)
• M11: 7,358,869 km (0.088 R)
• M12: 8,320,634 km (0.118 R)
• M13: 9,135,942 km (0.115 R)
• M14: 9,663,574 km (0.106 R)
• M15: 11,941,500 km (0.114 R)
• M16: 14,248,748 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 14.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.92 AU - 3 AU

Year: 2712 Days

Day: 12.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,699,841 km

• M1: 184,753 km (0.056 R)
• M2: 646,562 km (0.098 R)
• M3: 1,232,686 km (0.085 R)
• M4: 1,732,942 km (0.098 R)
• M5: 2,604,050 km (0.05 R)
• M6: 3,449,428 km (0.092 R)
• M7: 4,091,651 km (0.118 R)
• M8: 4,731,182 km (0.106 R)
• M9: 5,481,864 km (0.083 R)
• M10: 6,562,859 km (0.083 R)
• M11: 7,304,415 km (0.071 R)
• M12: 8,955,527 km (0.047 R)
• M13: 9,635,000 km (0.116 R)
• M14: 10,210,055 km (0.107 R)
• M15: 11,541,476 km (0.029 R)
• M16: 12,864,370 km (0.075 R)
• M17: 13,985,007 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230

Radius: 12.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.96 AU - 3.12 AU

Year: 2846 Days

Day: 9.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,699,841 km

• M1: 150,495 km (0.104 R)
• M2: 543,339 km (0.102 R)
• M3: 1,147,864 km (0.105 R)
• M4: 1,575,266 km (0.057 R)
• M5: 2,087,339 km (0.067 R)
• M6: 2,722,831 km (0.104 R)
• M7: 3,200,497 km (0.115 R)
• M8: 3,802,329 km (0.109 R)
• M9: 4,250,823 km (0.106 R)
• M10: 4,795,210 km (0.105 R)
• M11: 5,496,076 km (0.096 R)
• M12: 6,997,141 km (0.106 R)
• M13: 7,452,816 km (0.113 R)
• M14: 10,003,011 km (0.074 R)
• M15: 11,076,376 km (0.099 R)
• M16: 11,622,558 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.6

Radius: 7.9

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.47 AU - 7.93 AU

Year: 12190 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,699,841 km

• M1: 98,286 km (0.085 R)
• M2: 352,153 km (0.094 R)
• M3: 643,271 km (0.064 R)
• M4: 1,110,764 km (0.076 R)
• M5: 1,532,780 km (0.118 R)
• M6: 1,821,952 km (0.095 R)
• M7: 2,093,622 km (0.028 R)
• M8: 3,053,442 km (0.116 R)
• M9: 3,515,550 km (0.098 R)
• M10: 4,222,400 km (0.103 R)
• M11: 5,387,019 km (0.105 R)
• M12: 6,478,186 km (0.042 R)
• M13: 7,199,697 km (0.115 R)
• M14: 8,063,176 km (0.111 R)
• M15: 8,613,247 km (0.06 R)
• M16: 9,042,144 km (0.088 R)
• M17: 10,361,448 km (0.039 R)
• M18: 12,878,881 km (0.115 R)
• M19: 13,630,460 km (0.113 R)
• M20: 15,567,304 km (0.087 R)
• M21: 16,492,417 km (0.116 R)
• M22: 18,218,029 km (0.095 R)
• M23: 20,899,421 km (0.093 R)
• M24: 22,646,574 km (0.118 R)
• M25: 23,833,035 km (0.115 R)
• M26: 30,612,063 km (0.099 R)
• M27: 37,431,332 km (0.033 R)
• M28: 38,829,623 km (0.093 R)
• M29: 52,227,908 km (0.035 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 14,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit