🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.6

Radius: 10.2

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.46 AU - 0.58 AU

Year: 254 Days

Day: 8.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,390,374 km

• M1: 126,859 km (0.038 R)
• M2: 496,815 km (0.037 R)
• M3: 966,552 km (0.105 R)
• M4: 1,405,771 km (0.087 R)
• M5: 1,990,400 km (0.104 R)
• M6: 2,339,860 km (0.083 R)
• M7: 2,659,701 km (0.108 R)
• M8: 3,095,928 km (0.051 R)
• M9: 3,536,494 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.7

Radius: 13.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.84 AU - 0.9 AU

Year: 550 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,390,374 km

• M1: 171,589 km (0.078 R)
• M2: 621,130 km (0.098 R)
• M3: 1,140,235 km (0.069 R)
• M4: 1,858,155 km (0.104 R)
• M5: 2,788,804 km (0.047 R)
• M6: 3,385,250 km (0.089 R)
• M7: 3,928,440 km (0.074 R)
• M8: 4,366,463 km (0.083 R)
• M9: 5,512,083 km (0.118 R)
• M10: 6,118,852 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 9.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.88 AU - 1.1 AU

Year: 668 Days

Day: 13.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,390,374 km

• M1: 121,922 km (0.086 R)
• M2: 510,278 km (0.059 R)
• M3: 820,096 km (0.038 R)
• M4: 1,302,249 km (0.093 R)
• M5: 1,928,017 km (0.114 R)
• M6: 2,266,408 km (0.045 R)
• M7: 3,000,634 km (0.099 R)
• M8: 3,365,653 km (0.109 R)
• M9: 3,747,726 km (0.053 R)
• M10: 4,053,354 km (0.075 R)
• M11: 4,444,852 km (0.053 R)
• M12: 5,288,434 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.7

Radius: 14.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.71 AU - 1.95 AU

Year: 1679 Days

Day: 7.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,390,374 km

• M1: 175,329 km (0.087 R)
• M2: 831,764 km (0.081 R)
• M3: 1,303,895 km (0.04 R)
• M4: 1,835,715 km (0.12 R)
• M5: 2,419,596 km (0.107 R)
• M6: 3,098,920 km (0.079 R)
• M7: 3,620,568 km (0.047 R)
• M8: 4,234,817 km (0.105 R)
• M9: 4,824,083 km (0.06 R)
• M10: 5,386,720 km (0.102 R)
• M11: 6,036,573 km (0.059 R)
• M12: 7,368,443 km (0.044 R)
• M13: 9,707,107 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.9

Radius: 11.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.88 AU - 3.88 AU

Year: 5184 Days

Day: 8.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,390,374 km

• M1: 147,952 km (0.105 R)
• M2: 576,401 km (0.118 R)
• M3: 954,734 km (0.072 R)
• M4: 1,346,680 km (0.109 R)
• M5: 1,824,346 km (0.041 R)
• M6: 2,821,117 km (0.063 R)
• M7: 4,483,149 km (0.072 R)
• M8: 6,996,094 km (0.078 R)
• M9: 7,665,544 km (0.1 R)
• M10: 8,135,282 km (0.059 R)
• M11: 8,731,429 km (0.088 R)
• M12: 10,011,239 km (0.042 R)
• M13: 13,607,722 km (0.088 R)
• M14: 16,179,907 km (0.116 R)
• M15: 16,954,525 km (0.088 R)
• M16: 17,580,443 km (0.109 R)
• M17: 17,986,750 km (0.099 R)
• M18: 18,938,941 km (0.112 R)
• M19: 20,557,739 km (0.066 R)
• M20: 21,400,873 km (0.096 R)
• M21: 23,434,357 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524

Radius: 14.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.23 AU - 6.39 AU

Year: 8299 Days

Day: 14.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,390,374 km

• M1: 188,793 km (0.064 R)
• M2: 717,920 km (0.118 R)
• M3: 1,483,712 km (0.1 R)
• M4: 2,249,802 km (0.05 R)
• M5: 3,649,590 km (0.044 R)
• M6: 4,830,066 km (0.106 R)
• M7: 5,478,723 km (0.059 R)
• M8: 7,171,423 km (0.112 R)
• M9: 7,859,274 km (0.117 R)
• M10: 8,590,957 km (0.077 R)
• M11: 9,773,528 km (0.115 R)
• M12: 13,858,896 km (0.09 R)
• M13: 14,686,322 km (0.119 R)
• M14: 15,546,211 km (0.11 R)
• M15: 18,469,204 km (0.091 R)
• M16: 19,253,695 km (0.117 R)
• M17: 21,428,848 km (0.034 R)
• M18: 26,352,114 km (0.085 R)
• M19: 27,346,940 km (0.119 R)
• M20: 28,085,953 km (0.062 R)
• M21: 31,779,973 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.2

Radius: 11.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.19 AU - 5.89 AU

Year: 8844 Days

Day: 6.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,390,374 km

• M1: 204,201 km (0.116 R)
• M2: 745,446 km (0.119 R)
• M3: 1,657,395 km (0.118 R)
• M4: 2,596,121 km (0.059 R)
• M5: 4,737,765 km (0.118 R)
• M6: 5,374,004 km (0.111 R)
• M7: 7,142,102 km (0.067 R)
• M8: 8,178,815 km (0.094 R)
• M9: 8,587,367 km (0.096 R)
• M10: 10,936,203 km (0.119 R)
• M11: 11,533,846 km (0.108 R)
• M12: 14,854,769 km (0.034 R)
• M13: 20,061,074 km (0.092 R)
• M14: 22,749,199 km (0.047 R)
• M15: 23,559,421 km (0.11 R)
• M16: 28,549,407 km (0.115 R)
• M17: 30,260,956 km (0.096 R)
• M18: 33,887,508 km (0.06 R)
• M19: 36,680,351 km (0.084 R)
• M20: 37,123,160 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.6

Radius: 4.9

Gravity: 19.64 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.87 AU - 6.89 AU

Year: 9671 Days

Day: 18.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,390,374 km

• M1: 60,886 km (0.099 R)
• M2: 220,806 km (0.106 R)
• M3: 427,551 km (0.08 R)
• M4: 683,812 km (0.078 R)
• M5: 838,795 km (0.118 R)
• M6: 1,079,349 km (0.096 R)
• M7: 1,304,194 km (0.086 R)
• M8: 1,506,002 km (0.045 R)
• M9: 1,714,242 km (0.115 R)
• M10: 2,223,024 km (0.045 R)
• M11: 2,456,397 km (0.101 R)
• M12: 2,745,869 km (0.102 R)
• M13: 2,909,379 km (0.043 R)
• M14: 3,486,378 km (0.114 R)
• M15: 4,110,052 km (0.077 R)
• M16: 8,549,070 km (0.089 R)
• M17: 9,395,943 km (0.053 R)
• M18: 9,768,591 km (0.072 R)
• M19: 10,006,602 km (0.064 R)
• M20: 11,674,917 km (0.047 R)
• M21: 16,271,312 km (0.077 R)
• M22: 17,706,853 km (0.045 R)
• M23: 18,491,494 km (0.026 R)
• M24: 22,599,451 km (0.051 R)
• M25: 24,469,724 km (0.108 R)
• M26: 24,732,418 km (0.084 R)
• M27: 25,621,927 km (0.04 R)
• M28: 26,074,610 km (0.078 R)
• M29: 26,532,678 km (0.099 R)
• M30: 27,559,069 km (0.072 R)
• M31: 34,718,225 km (0.101 R)
• M32: 39,079,003 km (0.031 R)
• M33: 39,920,341 km (0.082 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 16,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit