🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.9

Radius: 11.1

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.53 AU - 0.53 AU

Year: 271 Days

Day: 9.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,427,775 km

• M1: 138,378 km (0.103 R)
• M2: 632,201 km (0.101 R)
• M3: 1,107,323 km (0.1 R)
• M4: 1,586,186 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 11.8

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.63 AU - 0.65 AU

Year: 360 Days

Day: 13.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,427,775 km

• M1: 146,756 km (0.095 R)
• M2: 650,452 km (0.065 R)
• M3: 1,088,773 km (0.093 R)
• M4: 2,340,010 km (0.088 R)
• M5: 3,449,428 km (0.077 R)
• M6: 4,015,656 km (0.115 R)
• M7: 4,642,920 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.8

Radius: 8.9

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.38 AU - 1.9 AU

Year: 1476 Days

Day: 6.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,427,775 km

• M1: 110,702 km (0.094 R)
• M2: 500,106 km (0.104 R)
• M3: 824,135 km (0.096 R)
• M4: 1,214,735 km (0.087 R)
• M5: 1,855,313 km (0.114 R)
• M6: 3,122,407 km (0.086 R)
• M7: 3,662,754 km (0.106 R)
• M8: 3,946,990 km (0.053 R)
• M9: 6,300,464 km (0.087 R)
• M10: 6,984,874 km (0.076 R)
• M11: 9,153,595 km (0.092 R)
• M12: 12,581,929 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632

Radius: 9.8

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.74 AU - 2.18 AU

Year: 1929 Days

Day: 14 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,427,775 km

• M1: 122,072 km (0.076 R)
• M2: 429,495 km (0.101 R)
• M3: 740,061 km (0.072 R)
• M4: 1,096,253 km (0.116 R)
• M5: 1,474,736 km (0.087 R)
• M6: 2,136,108 km (0.036 R)
• M7: 2,569,194 km (0.045 R)
• M8: 3,595,734 km (0.08 R)
• M9: 4,173,481 km (0.105 R)
• M10: 5,423,222 km (0.116 R)
• M11: 6,359,555 km (0.098 R)
• M12: 6,879,856 km (0.091 R)
• M13: 7,316,383 km (0.11 R)
• M14: 9,447,106 km (0.098 R)
• M15: 10,369,975 km (0.049 R)
• M16: 11,276,837 km (0.082 R)
• M17: 12,836,694 km (0.089 R)
• M18: 13,373,302 km (0.086 R)
• M19: 13,881,934 km (0.044 R)
• M20: 14,892,618 km (0.118 R)
• M21: 15,209,765 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 11.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.32 AU - 3.74 AU

Year: 3707 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,427,775 km

• M1: 138,079 km (0.102 R)
• M2: 960,718 km (0.088 R)
• M3: 1,352,365 km (0.047 R)
• M4: 2,044,704 km (0.083 R)
• M5: 2,810,196 km (0.113 R)
• M6: 4,305,128 km (0.096 R)
• M7: 4,713,380 km (0.109 R)
• M8: 5,374,453 km (0.091 R)
• M9: 6,171,810 km (0.095 R)
• M10: 7,214,058 km (0.113 R)
• M11: 7,586,407 km (0.064 R)
• M12: 8,215,167 km (0.066 R)
• M13: 9,679,431 km (0.073 R)
• M14: 11,657,863 km (0.112 R)
• M15: 13,245,246 km (0.112 R)
• M16: 14,157,344 km (0.101 R)
• M17: 16,203,693 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 11.1

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.89 AU - 3.33 AU

Year: 3855 Days

Day: 5.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,427,775 km

• M1: 138,228 km (0.067 R)
• M2: 660,325 km (0.119 R)
• M3: 1,161,627 km (0.062 R)
• M4: 1,595,312 km (0.058 R)
• M5: 3,052,694 km (0.098 R)
• M6: 3,748,923 km (0.114 R)
• M7: 6,981,733 km (0.06 R)
• M8: 8,659,622 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.2

Radius: 6.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.41 AU - 6.75 AU

Year: 9265 Days

Day: 16.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,427,775 km

• M1: 98,435 km (0.106 R)
• M2: 334,052 km (0.065 R)
• M3: 1,103,135 km (0.025 R)
• M4: 4,654,439 km (0.092 R)
• M5: 7,995,707 km (0.1 R)
• M6: 9,463,561 km (0.096 R)
• M7: 10,373,266 km (0.08 R)
• M8: 10,638,054 km (0.116 R)
• M9: 12,238,901 km (0.097 R)
• M10: 16,010,563 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.3

Radius: 3.1

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.79 AU - 12.57 AU

Year: 22831 Days

Day: 21.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,427,775 km

• M1: 38,596 km (0.086 R)
• M2: 165,754 km (0.103 R)
• M3: 615,146 km (0.039 R)
• M4: 778,956 km (0.115 R)
• M5: 881,131 km (0.078 R)
• M6: 2,087,788 km (0.114 R)
• M7: 2,497,836 km (0.11 R)
• M8: 4,927,305 km (0.066 R)
• M9: 8,450,335 km (0.099 R)
• M10: 10,071,228 km (0.087 R)
• M11: 10,223,518 km (0.096 R)
• M12: 12,229,925 km (0.12 R)
• M13: 15,471,412 km (0.088 R)
• M14: 21,673,291 km (0.11 R)
• M15: 23,050,190 km (0.074 R)
• M16: 25,976,773 km (0.111 R)
• M17: 38,650,405 km (0.072 R)
• M18: 41,703,997 km (0.034 R)
• M19: 46,720,462 km (0.12 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 12,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit