🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.4

Radius: 9.8

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.42 AU - 0.6 AU

Year: 251 Days

Day: 13.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 133.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,949,549 km

• M1: 121,922 km (0.119 R)
• M2: 449,093 km (0.042 R)
• M3: 776,413 km (0.081 R)
• M4: 1,349,971 km (0.047 R)
• M5: 1,746,705 km (0.115 R)
• M6: 2,180,389 km (0.119 R)
• M7: 2,646,686 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.1

Radius: 14.4

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.74 AU - 1.1 AU

Year: 609 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,949,549 km

• M1: 179,069 km (0.037 R)
• M2: 772,972 km (0.067 R)
• M3: 1,480,271 km (0.082 R)
• M4: 1,946,119 km (0.05 R)
• M5: 2,573,831 km (0.075 R)
• M6: 3,186,135 km (0.102 R)
• M7: 3,992,019 km (0.113 R)
• M8: 4,570,813 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.5

Radius: 14.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.91 AU - 1.39 AU

Year: 851 Days

Day: 7.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,949,549 km

• M1: 186,249 km (0.106 R)
• M2: 742,155 km (0.108 R)
• M3: 1,500,766 km (0.092 R)
• M4: 1,987,109 km (0.036 R)
• M5: 2,659,252 km (0.03 R)
• M6: 3,602,018 km (0.09 R)
• M7: 4,610,457 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.1

Radius: 13.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.94 AU - 1.52 AU

Year: 942 Days

Day: 7.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,949,549 km

• M1: 165,455 km (0.064 R)
• M2: 647,011 km (0.079 R)
• M3: 1,071,121 km (0.108 R)
• M4: 2,192,806 km (0.115 R)
• M5: 3,284,870 km (0.037 R)
• M6: 4,317,395 km (0.1 R)
• M7: 5,199,723 km (0.087 R)
• M8: 5,966,412 km (0.045 R)
• M9: 6,600,108 km (0.111 R)
• M10: 7,680,055 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.8

Radius: 9

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.16 AU - 1.32 AU

Year: 953 Days

Day: 9.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,949,549 km

• M1: 111,899 km (0.109 R)
• M2: 422,764 km (0.075 R)
• M3: 828,922 km (0.074 R)
• M4: 1,249,142 km (0.065 R)
• M5: 2,684,833 km (0.113 R)
• M6: 3,175,963 km (0.077 R)
• M7: 3,648,094 km (0.1 R)
• M8: 4,733,127 km (0.108 R)
• M9: 5,615,754 km (0.047 R)
• M10: 6,218,035 km (0.077 R)
• M11: 6,839,016 km (0.115 R)
• M12: 7,450,124 km (0.057 R)
• M13: 7,834,141 km (0.074 R)
• M14: 8,231,174 km (0.093 R)
• M15: 8,641,671 km (0.096 R)
• M16: 9,652,653 km (0.111 R)
• M17: 10,390,171 km (0.083 R)
• M18: 11,065,754 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.2

Radius: 9.4

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.11 AU - 1.55 AU

Year: 1059 Days

Day: 13.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,949,549 km

• M1: 116,986 km (0.083 R)
• M2: 676,332 km (0.093 R)
• M3: 1,140,534 km (0.119 R)
• M4: 1,609,823 km (0.091 R)
• M5: 2,348,687 km (0.098 R)
• M6: 2,873,027 km (0.092 R)
• M7: 3,733,364 km (0.065 R)
• M8: 4,088,809 km (0.056 R)
• M9: 4,701,113 km (0.079 R)
• M10: 5,494,879 km (0.11 R)
• M11: 6,375,113 km (0.087 R)
• M12: 7,547,213 km (0.058 R)
• M13: 8,064,971 km (0.09 R)
• M14: 9,171,097 km (0.116 R)
• M15: 9,492,434 km (0.119 R)
• M16: 10,406,925 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 14

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.39 AU - 1.93 AU

Year: 1476 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 22,949,549 km

• M1: 174,282 km (0.082 R)
• M2: 2,118,455 km (0.09 R)
• M3: 3,158,460 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.5

Radius: 13.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.12 AU - 3.22 AU

Year: 3011 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,949,549 km

• M1: 165,754 km (0.103 R)
• M2: 817,702 km (0.08 R)
• M3: 1,672,504 km (0.097 R)
• M4: 2,599,861 km (0.118 R)
• M5: 3,239,691 km (0.073 R)
• M6: 4,017,451 km (0.097 R)
• M7: 4,564,530 km (0.109 R)
• M8: 5,392,554 km (0.115 R)
• M9: 7,534,497 km (0.106 R)
• M10: 8,573,903 km (0.053 R)
• M11: 9,297,807 km (0.084 R)
• M12: 11,535,941 km (0.118 R)
• M13: 12,343,470 km (0.069 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.8

Radius: 9.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.18 AU - 3.76 AU

Year: 4462 Days

Day: 13.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,949,549 km

• M1: 119,678 km (0.084 R)
• M2: 428,000 km (0.116 R)
• M3: 726,597 km (0.101 R)
• M4: 2,680,345 km (0.118 R)
• M5: 4,675,382 km (0.086 R)
• M6: 5,073,013 km (0.089 R)
• M7: 7,790,908 km (0.042 R)
• M8: 9,187,703 km (0.076 R)
• M9: 10,824,752 km (0.03 R)
• M10: 11,564,663 km (0.069 R)
• M11: 12,647,752 km (0.107 R)
• M12: 13,237,168 km (0.115 R)
• M13: 13,797,262 km (0.11 R)
• M14: 18,920,839 km (0.077 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.1

Radius: 13.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.15 AU - 4.77 AU

Year: 5439 Days

Day: 13.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,949,549 km

• M1: 171,589 km (0.049 R)
• M2: 687,851 km (0.059 R)
• M3: 1,139,936 km (0.086 R)
• M4: 1,752,988 km (0.105 R)
• M5: 2,303,059 km (0.096 R)
• M6: 3,035,939 km (0.034 R)
• M7: 4,301,687 km (0.098 R)
• M8: 4,921,471 km (0.117 R)
• M9: 6,170,763 km (0.108 R)
• M10: 7,719,699 km (0.055 R)
• M11: 9,252,927 km (0.086 R)
• M12: 10,249,698 km (0.09 R)
• M13: 13,101,782 km (0.101 R)
• M14: 13,576,007 km (0.074 R)
• M15: 14,458,485 km (0.069 R)
• M16: 16,999,105 km (0.051 R)
• M17: 17,850,766 km (0.104 R)
• M18: 20,073,192 km (0.046 R)
• M19: 22,206,158 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 18,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit