🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.9

Radius: 13.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.33 AU - 1.45 AU

Year: 1042 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,853,525 km

• M1: 169,195 km (0.053 R)
• M2: 654,042 km (0.071 R)
• M3: 1,241,962 km (0.117 R)
• M4: 1,669,213 km (0.091 R)
• M5: 2,403,888 km (0.063 R)
• M6: 3,231,912 km (0.082 R)
• M7: 4,197,267 km (0.105 R)
• M8: 4,797,454 km (0.063 R)
• M9: 5,311,173 km (0.1 R)
• M10: 6,131,568 km (0.115 R)
• M11: 7,384,450 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.7

Radius: 11

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.41 AU - 1.49 AU

Year: 1110 Days

Day: 14.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,853,525 km

• M1: 137,331 km (0.076 R)
• M2: 514,467 km (0.065 R)
• M3: 1,005,597 km (0.105 R)
• M4: 1,587,832 km (0.059 R)
• M5: 2,121,298 km (0.042 R)
• M6: 3,642,559 km (0.098 R)
• M7: 4,382,170 km (0.11 R)
• M8: 4,947,800 km (0.102 R)
• M9: 5,603,039 km (0.089 R)
• M10: 6,049,588 km (0.114 R)
• M11: 6,519,625 km (0.108 R)
• M12: 7,038,281 km (0.07 R)
• M13: 7,609,595 km (0.039 R)
• M14: 8,373,890 km (0.085 R)
• M15: 9,481,513 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.3

Radius: 8.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.4 AU - 2.34 AU

Year: 1626 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,853,525 km

• M1: 102,026 km (0.112 R)
• M2: 425,307 km (0.06 R)
• M3: 869,762 km (0.034 R)
• M4: 1,950,008 km (0.037 R)
• M5: 3,946,691 km (0.094 R)
• M6: 5,438,331 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.5

Radius: 9.5

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.77 AU - 2.35 AU

Year: 1880 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,853,525 km

• M1: 133,890 km (0.083 R)
• M2: 553,063 km (0.085 R)
• M3: 901,327 km (0.087 R)
• M4: 1,701,227 km (0.037 R)
• M5: 2,037,224 km (0.12 R)
• M6: 2,733,751 km (0.062 R)
• M7: 3,152,775 km (0.066 R)
• M8: 4,306,025 km (0.082 R)
• M9: 4,773,668 km (0.089 R)
• M10: 5,651,209 km (0.114 R)
• M11: 6,092,822 km (0.093 R)
• M12: 6,708,717 km (0.114 R)
• M13: 7,204,035 km (0.117 R)
• M14: 7,584,612 km (0.08 R)
• M15: 8,504,938 km (0.119 R)
• M16: 8,961,212 km (0.11 R)
• M17: 11,713,064 km (0.114 R)
• M18: 12,163,803 km (0.088 R)
• M19: 12,470,628 km (0.04 R)
• M20: 13,060,044 km (0.118 R)
• M21: 13,708,999 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176

Radius: 11.6

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.7 AU - 3.2 AU

Year: 3222 Days

Day: 9 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,853,525 km

• M1: 144,362 km (0.037 R)
• M2: 570,716 km (0.095 R)
• M3: 1,209,648 km (0.112 R)
• M4: 1,653,954 km (0.113 R)
• M5: 3,040,876 km (0.04 R)
• M6: 3,621,914 km (0.08 R)
• M7: 5,935,445 km (0.066 R)
• M8: 7,133,574 km (0.096 R)
• M9: 9,739,121 km (0.112 R)
• M10: 11,182,890 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.8

Radius: 3.3

Gravity: 78.22 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.17 AU - 9.87 AU

Year: 14441 Days

Day: 19.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,853,525 km

• M1: 43,234 km (0.03 R)
• M2: 151,991 km (0.07 R)
• M3: 286,181 km (0.064 R)
• M4: 780,751 km (0.078 R)
• M5: 895,194 km (0.094 R)
• M6: 1,211,144 km (0.092 R)
• M7: 1,424,770 km (0.088 R)
• M8: 1,713,494 km (0.109 R)
• M9: 2,020,768 km (0.103 R)
• M10: 2,406,132 km (0.094 R)
• M11: 3,975,115 km (0.119 R)
• M12: 4,158,970 km (0.102 R)
• M13: 4,380,674 km (0.115 R)
• M14: 4,744,945 km (0.104 R)
• M15: 5,879,645 km (0.109 R)
• M16: 10,062,551 km (0.094 R)
• M17: 14,256,527 km (0.095 R)
• M18: 17,948,453 km (0.065 R)
• M19: 21,567,226 km (0.084 R)
• M20: 22,229,944 km (0.077 R)
• M21: 23,101,950 km (0.053 R)
• M22: 23,695,704 km (0.069 R)
• M23: 24,913,730 km (0.112 R)
• M24: 26,279,708 km (0.085 R)
• M25: 29,045,324 km (0.119 R)
• M26: 32,489,217 km (0.109 R)
• M27: 39,048,335 km (0.03 R)
• M28: 45,659,215 km (0.109 R)
• M29: 50,127,554 km (0.106 R)
• M30: 51,959,828 km (0.054 R)
• M31: 52,977,842 km (0.057 R)
• M32: 55,228,841 km (0.079 R)
• M33: 59,735,477 km (0.039 R)
• M34: 64,092,515 km (0.104 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 19,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit