🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.8

Radius: 13.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.83 AU - 1.31 AU

Year: 738 Days

Day: 8.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,489,272 km

• M1: 170,542 km (0.045 R)
• M2: 640,578 km (0.107 R)
• M3: 1,286,990 km (0.093 R)
• M4: 1,966,913 km (0.063 R)
• M5: 2,429,619 km (0.046 R)
• M6: 2,998,839 km (0.03 R)
• M7: 4,138,176 km (0.055 R)
• M8: 5,051,621 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.4

Radius: 12

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.2 AU - 1.32 AU

Year: 943 Days

Day: 9.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,489,272 km

• M1: 151,991 km (0.086 R)
• M2: 547,229 km (0.066 R)
• M3: 1,016,667 km (0.093 R)
• M4: 2,763,671 km (0.103 R)
• M5: 3,186,883 km (0.091 R)
• M6: 4,087,163 km (0.103 R)
• M7: 5,041,299 km (0.1 R)
• M8: 5,485,305 km (0.059 R)
• M9: 6,367,334 km (0.068 R)
• M10: 7,600,170 km (0.115 R)
• M11: 8,011,864 km (0.052 R)
• M12: 8,774,663 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.8

Radius: 13.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.14 AU - 1.46 AU

Year: 988 Days

Day: 13.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,489,272 km

• M1: 182,659 km (0.117 R)
• M2: 651,349 km (0.072 R)
• M3: 1,120,189 km (0.108 R)
• M4: 1,578,407 km (0.117 R)
• M5: 2,073,576 km (0.084 R)
• M6: 2,624,695 km (0.117 R)
• M7: 3,128,839 km (0.087 R)
• M8: 3,648,692 km (0.1 R)
• M9: 4,516,210 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.6

Radius: 14.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.83 AU - 2.63 AU

Year: 2221 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,489,272 km

• M1: 185,950 km (0.096 R)
• M2: 993,479 km (0.048 R)
• M3: 2,320,113 km (0.084 R)
• M4: 3,653,180 km (0.113 R)
• M5: 4,948,847 km (0.092 R)
• M6: 5,681,578 km (0.095 R)
• M7: 6,989,213 km (0.062 R)
• M8: 8,917,978 km (0.07 R)
• M9: 10,779,125 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.3

Radius: 10.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.32 AU - 2.64 AU

Year: 2604 Days

Day: 8.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,489,272 km

• M1: 125,662 km (0.046 R)
• M2: 769,681 km (0.063 R)
• M3: 1,314,516 km (0.059 R)
• M4: 2,711,461 km (0.045 R)
• M5: 3,966,139 km (0.108 R)
• M6: 5,403,026 km (0.114 R)
• M7: 5,877,401 km (0.054 R)
• M8: 6,262,616 km (0.112 R)
• M9: 7,339,122 km (0.12 R)
• M10: 7,759,642 km (0.109 R)
• M11: 9,886,774 km (0.095 R)
• M12: 10,238,029 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.5

Radius: 14.9

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.71 AU - 3.27 AU

Year: 3448 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 88.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,489,272 km

• M1: 186,549 km (0.09 R)
• M2: 775,815 km (0.033 R)
• M3: 1,264,401 km (0.112 R)
• M4: 1,929,813 km (0.117 R)
• M5: 2,695,006 km (0.107 R)
• M6: 3,940,558 km (0.061 R)
• M7: 5,920,037 km (0.071 R)
• M8: 7,065,807 km (0.091 R)
• M9: 8,389,897 km (0.056 R)
• M10: 9,037,357 km (0.08 R)
• M11: 9,756,773 km (0.097 R)
• M12: 10,637,306 km (0.12 R)
• M13: 12,056,840 km (0.047 R)
• M14: 15,060,766 km (0.091 R)
• M15: 15,534,841 km (0.116 R)
• M16: 16,127,997 km (0.074 R)
• M17: 17,474,527 km (0.109 R)
• M18: 18,175,393 km (0.118 R)
• M19: 19,261,773 km (0.066 R)
• M20: 20,009,762 km (0.075 R)
• M21: 20,647,797 km (0.115 R)
• M22: 21,964,707 km (0.037 R)
• M23: 23,127,681 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 8.5

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.03 AU - 4.45 AU

Year: 4823 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 27,489,272 km

• M1: 105,766 km (0.073 R)
• M2: 381,624 km (0.082 R)
• M3: 687,701 km (0.11 R)
• M4: 969,843 km (0.035 R)
• M5: 1,249,890 km (0.077 R)
• M6: 2,736,444 km (0.117 R)
• M7: 3,366,999 km (0.096 R)
• M8: 4,045,575 km (0.114 R)
• M9: 4,812,414 km (0.107 R)
• M10: 8,014,257 km (0.114 R)
• M11: 8,452,728 km (0.097 R)
• M12: 10,846,145 km (0.119 R)
• M13: 11,383,052 km (0.092 R)
• M14: 11,843,963 km (0.075 R)
• M15: 12,126,403 km (0.053 R)
• M16: 13,709,747 km (0.109 R)
• M17: 14,021,210 km (0.115 R)
• M18: 14,766,507 km (0.072 R)
• M19: 15,314,932 km (0.116 R)
• M20: 15,650,331 km (0.093 R)
• M21: 18,576,615 km (0.12 R)
• M22: 19,540,773 km (0.101 R)
• M23: 21,919,379 km (0.113 R)
• M24: 22,922,732 km (0.061 R)
• M25: 24,031,402 km (0.108 R)
• M26: 25,020,693 km (0.088 R)
• M27: 25,721,409 km (0.028 R)
• M28: 26,275,370 km (0.032 R)
• M29: 26,756,477 km (0.079 R)
• M30: 27,162,037 km (0.063 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 20,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit