🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 8.9

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.53 AU - 0.85 AU

Year: 403 Days

Day: 12.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,445,899 km

• M1: 110,702 km (0.077 R)
• M2: 398,080 km (0.069 R)
• M3: 733,179 km (0.078 R)
• M4: 1,183,170 km (0.115 R)
• M5: 1,530,835 km (0.058 R)
• M6: 2,148,375 km (0.095 R)
• M7: 2,519,677 km (0.109 R)
• M8: 2,820,817 km (0.08 R)
• M9: 3,438,208 km (0.083 R)
• M10: 3,810,258 km (0.11 R)
• M11: 4,090,455 km (0.07 R)
• M12: 4,635,589 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.3

Radius: 10.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.73 AU - 0.91 AU

Year: 522 Days

Day: 8.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,445,899 km

• M1: 133,142 km (0.111 R)
• M2: 635,342 km (0.074 R)
• M3: 1,072,318 km (0.116 R)
• M4: 1,574,966 km (0.085 R)
• M5: 2,076,418 km (0.109 R)
• M6: 2,439,941 km (0.088 R)
• M7: 2,794,189 km (0.079 R)
• M8: 3,462,293 km (0.071 R)
• M9: 4,288,971 km (0.117 R)
• M10: 4,734,473 km (0.083 R)
• M11: 5,371,012 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.9

Radius: 10.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.85 AU - 1.21 AU

Year: 735 Days

Day: 7.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 45,445,899 km

• M1: 141,819 km (0.067 R)
• M2: 622,178 km (0.033 R)
• M3: 1,092,064 km (0.081 R)
• M4: 2,506,064 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 11.4

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.5 AU - 2.06 AU

Year: 1669 Days

Day: 9.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,445,899 km

• M1: 141,819 km (0.114 R)
• M2: 570,117 km (0.119 R)
• M3: 1,035,965 km (0.03 R)
• M4: 1,764,806 km (0.109 R)
• M5: 2,630,230 km (0.06 R)
• M6: 3,053,741 km (0.102 R)
• M7: 3,955,517 km (0.113 R)
• M8: 4,405,807 km (0.119 R)
• M9: 5,065,982 km (0.1 R)
• M10: 6,055,123 km (0.063 R)
• M11: 7,577,431 km (0.084 R)
• M12: 8,526,181 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.7

Radius: 13.9

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.36 AU - 3.52 AU

Year: 4485 Days

Day: 12.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,445,899 km

• M1: 172,935 km (0.095 R)
• M2: 773,870 km (0.106 R)
• M3: 1,439,580 km (0.092 R)
• M4: 1,898,846 km (0.104 R)
• M5: 2,364,843 km (0.065 R)
• M6: 2,890,231 km (0.069 R)
• M7: 3,847,508 km (0.047 R)
• M8: 4,955,130 km (0.101 R)
• M9: 5,824,294 km (0.05 R)
• M10: 7,249,363 km (0.098 R)
• M11: 9,848,028 km (0.059 R)
• M12: 11,267,113 km (0.106 R)
• M13: 13,065,429 km (0.074 R)
• M14: 13,568,976 km (0.036 R)
• M15: 15,048,349 km (0.036 R)
• M16: 17,465,551 km (0.085 R)
• M17: 19,278,977 km (0.045 R)
• M18: 25,314,952 km (0.073 R)
• M19: 27,223,671 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.2

Radius: 7.2

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.32 AU - 6.44 AU

Year: 10022 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,445,899 km

• M1: 89,908 km (0.092 R)
• M2: 316,399 km (0.068 R)
• M3: 781,350 km (0.038 R)
• M4: 1,172,997 km (0.067 R)
• M5: 1,493,735 km (0.094 R)
• M6: 1,719,478 km (0.116 R)
• M7: 2,017,626 km (0.073 R)
• M8: 2,313,232 km (0.091 R)
• M9: 3,147,390 km (0.049 R)
• M10: 3,449,876 km (0.096 R)
• M11: 4,798,501 km (0.073 R)
• M12: 5,074,360 km (0.116 R)
• M13: 6,212,949 km (0.104 R)
• M14: 9,452,192 km (0.115 R)
• M15: 9,886,474 km (0.094 R)
• M16: 11,648,139 km (0.116 R)
• M17: 13,976,779 km (0.1 R)
• M18: 15,646,740 km (0.041 R)
• M19: 16,948,242 km (0.11 R)
• M20: 17,231,281 km (0.12 R)
• M21: 17,879,339 km (0.113 R)
• M22: 19,300,968 km (0.088 R)
• M23: 19,765,020 km (0.063 R)
• M24: 22,879,349 km (0.082 R)
• M25: 23,662,045 km (0.065 R)
• M26: 25,189,140 km (0.105 R)
• M27: 32,497,445 km (0.067 R)
• M28: 38,854,307 km (0.09 R)
• M29: 42,909,456 km (0.035 R)
• M30: 43,567,537 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 149 - 13,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit