🌌 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: 945.2

Radius: 9.2

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.7 AU - 0.84 AU

Year: 451 Days

Day: 9.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,903,638 km

• M1: 114,442 km (0.066 R)
• M2: 416,630 km (0.079 R)
• M3: 744,249 km (0.069 R)
• M4: 1,125,874 km (0.083 R)
• M5: 1,542,055 km (0.07 R)
• M6: 1,831,377 km (0.083 R)
• M7: 2,139,250 km (0.099 R)
• M8: 2,522,071 km (0.101 R)
• M9: 2,827,998 km (0.091 R)
• M10: 3,135,123 km (0.051 R)
• M11: 3,566,712 km (0.106 R)
• M12: 4,237,210 km (0.102 R)
• M13: 4,564,381 km (0.108 R)
• M14: 4,908,605 km (0.04 R)
• M15: 5,203,014 km (0.034 R)
• M16: 5,631,612 km (0.074 R)
• M17: 6,290,142 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 10.3

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.91 AU - 2.29 AU

Year: 2029 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,903,638 km

• M1: 128,205 km (0.079 R)
• M2: 920,625 km (0.094 R)
• M3: 1,351,766 km (0.1 R)
• M4: 1,720,525 km (0.119 R)
• M5: 2,677,353 km (0.057 R)
• M6: 3,854,539 km (0.066 R)
• M7: 4,494,668 km (0.102 R)
• M8: 4,857,443 km (0.064 R)
• M9: 5,456,732 km (0.111 R)
• M10: 6,065,146 km (0.069 R)
• M11: 6,781,720 km (0.049 R)
• M12: 7,599,721 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.7

Radius: 8.7

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.73 AU - 2.99 AU

Year: 3225 Days

Day: 12.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,903,638 km

• M1: 110,104 km (0.076 R)
• M2: 1,254,977 km (0.094 R)
• M3: 1,852,919 km (0.046 R)
• M4: 3,074,087 km (0.025 R)
• M5: 3,511,062 km (0.096 R)
• M6: 4,265,484 km (0.059 R)
• M7: 5,148,710 km (0.118 R)
• M8: 5,686,514 km (0.092 R)
• M9: 6,120,946 km (0.076 R)
• M10: 7,399,111 km (0.091 R)
• M11: 7,983,889 km (0.084 R)
• M12: 9,208,796 km (0.067 R)
• M13: 9,694,241 km (0.05 R)
• M14: 15,897,467 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.5

Radius: 11.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.93 AU - 3.05 AU

Year: 3448 Days

Day: 8.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,903,638 km

• M1: 205,697 km (0.115 R)
• M2: 784,192 km (0.032 R)
• M3: 1,194,389 km (0.107 R)
• M4: 1,695,841 km (0.102 R)
• M5: 2,188,467 km (0.095 R)
• M6: 2,578,768 km (0.079 R)
• M7: 3,065,709 km (0.078 R)
• M8: 3,632,535 km (0.113 R)
• M9: 5,262,255 km (0.079 R)
• M10: 5,736,779 km (0.104 R)
• M11: 6,185,423 km (0.096 R)
• M12: 7,705,487 km (0.105 R)
• M13: 9,939,283 km (0.03 R)
• M14: 10,433,255 km (0.042 R)
• M15: 11,635,872 km (0.039 R)
• M16: 12,014,055 km (0.105 R)
• M17: 13,243,750 km (0.084 R)
• M18: 14,798,521 km (0.088 R)
• M19: 15,544,116 km (0.117 R)
• M20: 16,524,431 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.5

Radius: 6.7

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.96 AU - 7.38 AU

Year: 11487 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 165 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,903,638 km

• M1: 83,924 km (0.11 R)
• M2: 465,100 km (0.079 R)
• M3: 705,354 km (0.094 R)
• M4: 918,082 km (0.108 R)
• M5: 1,478,625 km (0.115 R)
• M6: 2,574,430 km (0.073 R)
• M7: 3,966,139 km (0.093 R)
• M8: 5,659,287 km (0.031 R)
• M9: 6,454,699 km (0.102 R)
• M10: 8,044,326 km (0.073 R)
• M11: 9,579,799 km (0.065 R)
• M12: 15,959,699 km (0.07 R)
• M13: 17,024,088 km (0.101 R)
• M14: 17,315,654 km (0.117 R)
• M15: 21,417,030 km (0.104 R)
• M16: 22,187,010 km (0.063 R)
• M17: 26,804,049 km (0.096 R)
• M18: 27,597,666 km (0.1 R)
• M19: 28,000,383 km (0.06 R)
• M20: 28,406,840 km (0.053 R)
• M21: 32,691,623 km (0.094 R)
• M22: 33,826,323 km (0.077 R)
• M23: 34,519,709 km (0.089 R)
• M24: 38,628,564 km (0.063 R)
• M25: 46,939,174 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.7

Radius: 4.2

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.21 AU - 7.59 AU

Year: 12087 Days

Day: 22.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,903,638 km

• M1: 52,658 km (0.119 R)
• M2: 191,336 km (0.081 R)
• M3: 575,952 km (0.089 R)
• M4: 727,195 km (0.117 R)
• M5: 914,342 km (0.115 R)
• M6: 1,101,190 km (0.059 R)
• M7: 1,349,373 km (0.058 R)
• M8: 2,286,603 km (0.088 R)
• M9: 3,184,490 km (0.035 R)
• M10: 5,085,580 km (0.096 R)
• M11: 8,655,733 km (0.092 R)
• M12: 9,766,946 km (0.117 R)
• M13: 18,418,490 km (0.109 R)
• M14: 20,395,127 km (0.077 R)
• M15: 21,630,805 km (0.097 R)
• M16: 25,635,989 km (0.115 R)
• M17: 33,573,353 km (0.117 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: 262 - 20,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit