🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.6

Radius: 10

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.71 AU - 0.75 AU

Year: 409 Days

Day: 8.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,773,322 km

• M1: 124,316 km (0.109 R)
• M2: 473,627 km (0.112 R)
• M3: 855,999 km (0.118 R)
• M4: 1,272,180 km (0.031 R)
• M5: 1,695,093 km (0.052 R)
• M6: 2,033,334 km (0.1 R)
• M7: 2,355,418 km (0.067 R)
• M8: 2,721,484 km (0.027 R)
• M9: 3,115,076 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.5

Radius: 11

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.65 AU - 0.85 AU

Year: 426 Days

Day: 13.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,773,322 km

• M1: 136,882 km (0.073 R)
• M2: 515,813 km (0.051 R)
• M3: 949,049 km (0.116 R)
• M4: 1,441,375 km (0.069 R)
• M5: 1,845,589 km (0.112 R)
• M6: 2,325,948 km (0.108 R)
• M7: 2,816,030 km (0.061 R)
• M8: 3,374,479 km (0.114 R)
• M9: 4,384,414 km (0.093 R)
• M10: 5,074,659 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 8.5

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.89 AU - 2.77 AU

Year: 2333 Days

Day: 11.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,773,322 km

• M1: 106,214 km (0.052 R)
• M2: 511,176 km (0.105 R)
• M3: 1,326,933 km (0.09 R)
• M4: 2,086,741 km (0.068 R)
• M5: 2,773,096 km (0.104 R)
• M6: 3,093,534 km (0.115 R)
• M7: 3,367,598 km (0.086 R)
• M8: 4,351,952 km (0.104 R)
• M9: 5,321,495 km (0.075 R)
• M10: 5,999,922 km (0.059 R)
• M11: 6,734,896 km (0.116 R)
• M12: 7,837,582 km (0.1 R)
• M13: 8,547,873 km (0.074 R)
• M14: 10,626,086 km (0.112 R)
• M15: 11,134,420 km (0.117 R)
• M16: 11,699,900 km (0.088 R)
• M17: 12,975,970 km (0.081 R)
• M18: 14,915,057 km (0.069 R)
• M19: 16,207,882 km (0.113 R)
• M20: 16,776,803 km (0.118 R)
• M21: 18,844,844 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.5

Radius: 9.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.61 AU - 4.69 AU

Year: 6578 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,773,322 km

• M1: 121,174 km (0.067 R)
• M2: 469,289 km (0.034 R)
• M3: 1,014,423 km (0.113 R)
• M4: 1,735,186 km (0.113 R)
• M5: 2,146,430 km (0.107 R)
• M6: 4,917,880 km (0.102 R)
• M7: 7,160,801 km (0.092 R)
• M8: 7,949,032 km (0.112 R)
• M9: 9,511,732 km (0.049 R)
• M10: 11,865,056 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.1

Radius: 10.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.7 AU - 5.56 AU

Year: 7622 Days

Day: 9 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,773,322 km

• M1: 133,142 km (0.068 R)
• M2: 507,885 km (0.059 R)
• M3: 981,661 km (0.115 R)
• M4: 2,031,689 km (0.101 R)
• M5: 2,448,319 km (0.113 R)
• M6: 4,824,232 km (0.095 R)
• M7: 6,020,417 km (0.04 R)
• M8: 6,428,071 km (0.111 R)
• M9: 10,654,809 km (0.093 R)
• M10: 13,338,894 km (0.036 R)
• M11: 13,710,196 km (0.112 R)
• M12: 15,965,683 km (0.117 R)
• M13: 16,384,408 km (0.111 R)
• M14: 18,589,031 km (0.102 R)
• M15: 19,186,525 km (0.087 R)
• M16: 20,349,948 km (0.062 R)
• M17: 21,559,746 km (0.086 R)
• M18: 22,145,422 km (0.087 R)
• M19: 23,425,231 km (0.069 R)
• M20: 24,436,663 km (0.096 R)
• M21: 25,234,318 km (0.065 R)
• M22: 26,546,441 km (0.063 R)
• M23: 30,847,979 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.3

Radius: 3.7

Gravity: 18.65 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.94 AU - 6.3 AU

Year: 9932 Days

Day: 24 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,773,322 km

• M1: 47,423 km (0.055 R)
• M2: 304,282 km (0.108 R)
• M3: 601,383 km (0.039 R)
• M4: 806,931 km (0.105 R)
• M5: 1,554,471 km (0.091 R)
• M6: 1,713,494 km (0.105 R)
• M7: 2,175,602 km (0.101 R)
• M8: 2,357,962 km (0.074 R)
• M9: 3,170,876 km (0.11 R)
• M10: 4,812,414 km (0.088 R)
• M11: 5,326,731 km (0.073 R)
• M12: 5,597,204 km (0.043 R)
• M13: 6,100,601 km (0.065 R)
• M14: 6,841,260 km (0.112 R)
• M15: 7,527,466 km (0.099 R)
• M16: 8,139,919 km (0.118 R)
• M17: 8,378,079 km (0.116 R)
• M18: 9,463,561 km (0.103 R)
• M19: 9,726,704 km (0.104 R)
• M20: 10,971,957 km (0.087 R)
• M21: 12,216,162 km (0.062 R)
• M22: 12,475,864 km (0.093 R)
• M23: 14,862,997 km (0.034 R)
• M24: 15,579,870 km (0.096 R)
• M25: 15,823,864 km (0.073 R)
• M26: 16,319,482 km (0.052 R)
• M27: 17,082,132 km (0.079 R)
• M28: 17,735,576 km (0.059 R)
• M29: 19,512,499 km (0.089 R)
• M30: 21,404,463 km (0.097 R)
• M31: 21,630,356 km (0.064 R)
• M32: 24,384,303 km (0.097 R)
• M33: 26,402,229 km (0.114 R)
• M34: 31,634,863 km (0.098 R)
• M35: 33,724,596 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785

Radius: 5.8

Gravity: 23.34 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.97 AU - 10.83 AU

Year: 20434 Days

Day: 17.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,773,322 km

• M1: 73,303 km (0.118 R)
• M2: 415,284 km (0.102 R)
• M3: 798,404 km (0.117 R)
• M4: 1,092,962 km (0.117 R)
• M5: 1,363,585 km (0.1 R)
• M6: 1,678,339 km (0.089 R)
• M7: 3,621,914 km (0.084 R)
• M8: 4,859,238 km (0.041 R)
• M9: 8,775,710 km (0.081 R)
• M10: 14,627,530 km (0.071 R)
• M11: 25,001,993 km (0.102 R)
• M12: 25,559,245 km (0.116 R)
• M13: 32,509,712 km (0.1 R)
• M14: 35,498,079 km (0.1 R)
• M15: 36,343,756 km (0.097 R)
• M16: 40,928,033 km (0.068 R)
• M17: 63,529,877 km (0.112 R)
• M18: 65,614,972 km (0.102 R)
• M19: 72,818,559 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 19,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit