🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646

Radius: 13.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.92 AU - 0.92 AU

Year: 570 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,561,822 km

• M1: 166,652 km (0.1 R)
• M2: 951,293 km (0.088 R)
• M3: 1,385,426 km (0.058 R)
• M4: 2,476,892 km (0.036 R)
• M5: 2,919,552 km (0.104 R)
• M6: 3,580,027 km (0.108 R)
• M7: 4,811,965 km (0.105 R)
• M8: 5,809,185 km (0.118 R)
• M9: 6,405,182 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 11.1

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.9 AU - 1.04 AU

Year: 617 Days

Day: 13.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,561,822 km

• M1: 138,378 km (0.105 R)
• M2: 587,471 km (0.061 R)
• M3: 1,007,542 km (0.042 R)
• M4: 1,547,440 km (0.102 R)
• M5: 2,446,374 km (0.117 R)
• M6: 2,829,793 km (0.112 R)
• M7: 3,215,457 km (0.07 R)
• M8: 3,817,738 km (0.108 R)
• M9: 4,214,322 km (0.103 R)
• M10: 4,687,200 km (0.088 R)
• M11: 5,910,761 km (0.12 R)
• M12: 6,545,655 km (0.117 R)
• M13: 7,582,817 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 9.7

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.46 AU - 2.24 AU

Year: 1625 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,561,822 km

• M1: 120,725 km (0.096 R)
• M2: 546,930 km (0.071 R)
• M3: 1,104,930 km (0.032 R)
• M4: 1,624,782 km (0.076 R)
• M5: 2,449,665 km (0.105 R)
• M6: 2,835,628 km (0.076 R)
• M7: 3,531,557 km (0.11 R)
• M8: 3,850,649 km (0.095 R)
• M9: 4,743,898 km (0.079 R)
• M10: 5,500,115 km (0.115 R)
• M11: 6,000,670 km (0.117 R)
• M12: 6,782,618 km (0.106 R)
• M13: 8,819,243 km (0.104 R)
• M14: 9,796,566 km (0.1 R)
• M15: 10,809,643 km (0.089 R)
• M16: 11,486,424 km (0.068 R)
• M17: 12,689,789 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.3

Radius: 9.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.94 AU - 2.12 AU

Year: 1867 Days

Day: 8.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,561,822 km

• M1: 118,482 km (0.111 R)
• M2: 472,580 km (0.055 R)
• M3: 777,311 km (0.05 R)
• M4: 1,279,660 km (0.102 R)
• M5: 1,592,769 km (0.091 R)
• M6: 1,896,303 km (0.06 R)
• M7: 2,366,190 km (0.115 R)
• M8: 2,764,868 km (0.046 R)
• M9: 3,845,264 km (0.069 R)
• M10: 4,185,449 km (0.106 R)
• M11: 4,829,468 km (0.038 R)
• M12: 5,205,856 km (0.097 R)
• M13: 6,108,081 km (0.101 R)
• M14: 7,212,113 km (0.083 R)
• M15: 7,892,335 km (0.057 R)
• M16: 9,532,676 km (0.114 R)
• M17: 11,527,563 km (0.113 R)
• M18: 11,950,626 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 11.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.57 AU - 3.67 AU

Year: 4447 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,561,822 km

• M1: 141,819 km (0.036 R)
• M2: 608,115 km (0.108 R)
• M3: 1,318,855 km (0.118 R)
• M4: 2,613,475 km (0.054 R)
• M5: 3,091,290 km (0.112 R)
• M6: 3,895,828 km (0.06 R)
• M7: 4,426,451 km (0.096 R)
• M8: 5,448,504 km (0.04 R)
• M9: 5,956,987 km (0.103 R)
• M10: 6,600,557 km (0.108 R)
• M11: 7,721,344 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.4

Radius: 4

Gravity: 51.15 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.18 AU - 7.38 AU

Year: 12683 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,561,822 km

• M1: 50,863 km (0.07 R)
• M2: 357,988 km (0.104 R)
• M3: 1,096,253 km (0.104 R)
• M4: 1,772,585 km (0.117 R)
• M5: 2,646,686 km (0.062 R)
• M6: 3,065,859 km (0.109 R)
• M7: 4,750,929 km (0.063 R)
• M8: 5,121,932 km (0.069 R)
• M9: 5,548,286 km (0.118 R)
• M10: 6,390,971 km (0.118 R)
• M11: 7,184,438 km (0.07 R)
• M12: 9,902,481 km (0.114 R)
• M13: 12,592,401 km (0.08 R)
• M14: 19,104,546 km (0.065 R)
• M15: 24,670,783 km (0.077 R)
• M16: 28,197,852 km (0.043 R)
• M17: 29,074,047 km (0.112 R)
• M18: 38,587,424 km (0.059 R)
• M19: 42,737,868 km (0.082 R)
• M20: 43,168,560 km (0.1 R)
• M21: 47,482,364 km (0.096 R)
• M22: 49,980,948 km (0.117 R)
• M23: 51,586,432 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.1

Radius: 5.2

Gravity: 35.06 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.01 AU - 11.29 AU

Year: 22441 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,561,822 km

• M1: 103,223 km (0.107 R)
• M2: 702,212 km (0.099 R)
• M3: 1,426,715 km (0.084 R)
• M4: 1,654,403 km (0.111 R)
• M5: 1,825,842 km (0.112 R)
• M6: 2,951,865 km (0.118 R)
• M7: 3,473,812 km (0.109 R)
• M8: 4,699,318 km (0.117 R)
• M9: 4,889,756 km (0.101 R)
• M10: 7,700,401 km (0.118 R)
• M11: 8,970,636 km (0.102 R)
• M12: 11,918,462 km (0.113 R)
• M13: 12,855,843 km (0.085 R)
• M14: 13,609,517 km (0.055 R)
• M15: 24,502,635 km (0.028 R)
• M16: 29,602,576 km (0.059 R)
• M17: 34,358,293 km (0.116 R)
• M18: 34,644,473 km (0.068 R)
• M19: 42,490,582 km (0.114 R)
• M20: 49,232,360 km (0.087 R)
• M21: 55,662,525 km (0.071 R)
• M22: 61,150,673 km (0.055 R)
• M23: 72,245,748 km (0.107 R)
• M24: 81,522,462 km (0.072 R)
• M25: 84,869,714 km (0.067 R)
• M26: 90,468,265 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: 381 - 11,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit