🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.4

Radius: 9.6

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.75 AU - 0.79 AU

Year: 451 Days

Day: 12.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,183,537 km

• M1: 128,804 km (0.115 R)
• M2: 462,706 km (0.069 R)
• M3: 1,220,270 km (0.087 R)
• M4: 1,823,897 km (0.09 R)
• M5: 2,219,434 km (0.091 R)
• M6: 2,541,817 km (0.072 R)
• M7: 2,935,709 km (0.074 R)
• M8: 3,750,718 km (0.092 R)
• M9: 4,408,649 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.6

Radius: 10

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.09 AU - 1.37 AU

Year: 910 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,183,537 km

• M1: 124,465 km (0.071 R)
• M2: 515,813 km (0.101 R)
• M3: 963,709 km (0.075 R)
• M4: 1,311,973 km (0.106 R)
• M5: 1,757,476 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.3

Radius: 12.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.36 AU - 1.5 AU

Year: 1140 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,183,537 km

• M1: 155,432 km (0.101 R)
• M2: 563,386 km (0.085 R)
• M3: 1,382,584 km (0.084 R)
• M4: 1,907,822 km (0.104 R)
• M5: 2,473,750 km (0.079 R)
• M6: 2,874,673 km (0.094 R)
• M7: 4,544,335 km (0.112 R)
• M8: 6,450,660 km (0.091 R)
• M9: 7,011,054 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 13.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.6 AU - 1.62 AU

Year: 1362 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,183,537 km

• M1: 166,652 km (0.087 R)
• M2: 616,493 km (0.099 R)
• M3: 1,080,994 km (0.102 R)
• M4: 1,797,718 km (0.118 R)
• M5: 2,544,959 km (0.119 R)
• M6: 2,985,226 km (0.041 R)
• M7: 3,596,482 km (0.119 R)
• M8: 4,022,088 km (0.1 R)
• M9: 5,325,983 km (0.079 R)
• M10: 6,185,423 km (0.088 R)
• M11: 6,730,259 km (0.052 R)
• M12: 7,159,604 km (0.058 R)
• M13: 8,047,617 km (0.056 R)
• M14: 8,837,943 km (0.104 R)
• M15: 9,412,548 km (0.063 R)
• M16: 10,104,289 km (0.05 R)
• M17: 10,926,778 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.2

Radius: 11.1

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.11 AU - 2.69 AU

Year: 2479 Days

Day: 11.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,183,537 km

• M1: 139,126 km (0.096 R)
• M2: 1,291,927 km (0.113 R)
• M3: 1,867,131 km (0.069 R)
• M4: 2,422,289 km (0.1 R)
• M5: 2,833,982 km (0.086 R)
• M6: 3,210,670 km (0.116 R)
• M7: 4,431,089 km (0.111 R)
• M8: 4,957,225 km (0.115 R)
• M9: 6,171,062 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.7

Radius: 12.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.99 AU - 4.45 AU

Year: 4785 Days

Day: 8.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,183,537 km

• M1: 162,912 km (0.11 R)
• M2: 560,543 km (0.032 R)
• M3: 2,359,458 km (0.106 R)
• M4: 2,801,370 km (0.097 R)
• M5: 3,427,886 km (0.114 R)
• M6: 4,035,103 km (0.066 R)
• M7: 5,955,790 km (0.099 R)
• M8: 7,185,335 km (0.098 R)
• M9: 9,047,380 km (0.068 R)
• M10: 11,660,855 km (0.088 R)
• M11: 12,395,680 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.3

Radius: 3

Gravity: 31.92 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.57 AU - 7.39 AU

Year: 12297 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,183,537 km

• M1: 37,848 km (0.045 R)
• M2: 138,528 km (0.047 R)
• M3: 310,715 km (0.075 R)
• M4: 606,171 km (0.084 R)
• M5: 1,009,935 km (0.111 R)
• M6: 1,286,990 km (0.067 R)
• M7: 2,515,787 km (0.085 R)
• M8: 4,364,069 km (0.108 R)
• M9: 4,559,444 km (0.081 R)
• M10: 6,025,353 km (0.057 R)
• M11: 6,373,468 km (0.06 R)
• M12: 8,107,008 km (0.117 R)
• M13: 8,402,164 km (0.087 R)
• M14: 8,880,578 km (0.108 R)
• M15: 9,376,795 km (0.074 R)
• M16: 10,276,925 km (0.099 R)
• M17: 12,412,584 km (0.085 R)
• M18: 13,204,705 km (0.095 R)
• M19: 14,029,887 km (0.109 R)
• M20: 18,028,339 km (0.083 R)
• M21: 19,563,362 km (0.088 R)
• M22: 23,734,600 km (0.105 R)
• M23: 24,424,844 km (0.101 R)
• M24: 25,664,712 km (0.099 R)
• M25: 27,602,004 km (0.118 R)
• M26: 30,434,640 km (0.078 R)
• M27: 30,535,618 km (0.031 R)
• M28: 34,103,827 km (0.099 R)
• M29: 36,100,659 km (0.029 R)
• M30: 37,127,648 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 11,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit