🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.9

Radius: 12.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.53 AU - 0.83 AU

Year: 387 Days

Day: 12.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,029,323 km

• M1: 150,495 km (0.087 R)
• M2: 563,834 km (0.107 R)
• M3: 1,080,396 km (0.046 R)
• M4: 1,549,086 km (0.09 R)
• M5: 2,213,450 km (0.118 R)
• M6: 2,646,985 km (0.106 R)
• M7: 3,104,305 km (0.102 R)
• M8: 4,059,488 km (0.047 R)
• M9: 4,441,860 km (0.052 R)
• M10: 4,969,192 km (0.102 R)
• M11: 5,587,331 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.8

Radius: 12.8

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.64 AU - 1.06 AU

Year: 541 Days

Day: 9.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,029,323 km

• M1: 241,750 km (0.1 R)
• M2: 689,497 km (0.109 R)
• M3: 1,393,953 km (0.114 R)
• M4: 1,891,515 km (0.059 R)
• M5: 2,424,682 km (0.119 R)
• M6: 3,390,486 km (0.094 R)
• M7: 3,860,672 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 8.6

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.32 AU - 1.76 AU

Year: 1319 Days

Day: 9.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,029,323 km

• M1: 106,962 km (0.115 R)
• M2: 392,844 km (0.086 R)
• M3: 684,859 km (0.099 R)
• M4: 961,765 km (0.117 R)
• M5: 1,330,823 km (0.076 R)
• M6: 1,672,654 km (0.115 R)
• M7: 2,031,240 km (0.116 R)
• M8: 2,597,318 km (0.082 R)
• M9: 3,067,205 km (0.072 R)
• M10: 3,366,850 km (0.098 R)
• M11: 3,765,079 km (0.08 R)
• M12: 4,528,477 km (0.062 R)
• M13: 6,730,558 km (0.062 R)
• M14: 7,066,854 km (0.089 R)
• M15: 8,063,325 km (0.104 R)
• M16: 8,777,954 km (0.087 R)
• M17: 9,063,836 km (0.08 R)
• M18: 9,504,252 km (0.086 R)
• M19: 10,911,669 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.6

Radius: 11.2

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.62 AU - 3.74 AU

Year: 4873 Days

Day: 6.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,029,323 km

• M1: 139,575 km (0.095 R)
• M2: 498,610 km (0.113 R)
• M3: 854,054 km (0.057 R)
• M4: 2,054,278 km (0.101 R)
• M5: 2,585,350 km (0.12 R)
• M6: 3,812,651 km (0.098 R)
• M7: 4,298,096 km (0.118 R)
• M8: 5,063,439 km (0.085 R)
• M9: 6,098,956 km (0.07 R)
• M10: 6,634,815 km (0.119 R)
• M11: 7,305,014 km (0.089 R)
• M12: 7,692,622 km (0.072 R)
• M13: 8,663,661 km (0.114 R)
• M14: 9,798,960 km (0.066 R)
• M15: 10,314,773 km (0.07 R)
• M16: 10,848,538 km (0.08 R)
• M17: 12,661,814 km (0.107 R)
• M18: 14,393,410 km (0.087 R)
• M19: 16,040,931 km (0.117 R)
• M20: 17,496,668 km (0.052 R)
• M21: 18,514,980 km (0.08 R)
• M22: 18,972,750 km (0.078 R)
• M23: 22,687,415 km (0.07 R)
• M24: 23,363,148 km (0.093 R)
• M25: 26,694,992 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.2

Radius: 6.4

Gravity: 19.17 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.17 AU - 10.37 AU

Year: 17927 Days

Day: 22.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,029,323 km

• M1: 79,736 km (0.061 R)
• M2: 354,996 km (0.103 R)
• M3: 563,236 km (0.095 R)
• M4: 1,567,786 km (0.078 R)
• M5: 1,939,686 km (0.035 R)
• M6: 2,785,662 km (0.111 R)
• M7: 3,223,086 km (0.092 R)
• M8: 4,602,528 km (0.077 R)
• M9: 6,508,704 km (0.091 R)
• M10: 6,728,763 km (0.075 R)
• M11: 7,955,016 km (0.095 R)
• M12: 8,516,008 km (0.068 R)
• M13: 12,858,685 km (0.062 R)
• M14: 13,066,327 km (0.096 R)
• M15: 14,359,301 km (0.105 R)
• M16: 14,960,535 km (0.057 R)
• M17: 18,482,518 km (0.098 R)
• M18: 22,923,779 km (0.113 R)
• M19: 24,584,615 km (0.092 R)
• M20: 33,577,691 km (0.105 R)
• M21: 35,443,176 km (0.112 R)
• M22: 35,715,295 km (0.098 R)
• M23: 38,944,514 km (0.059 R)
• M24: 39,671,411 km (0.106 R)
• M25: 49,112,383 km (0.062 R)
• M26: 61,501,031 km (0.034 R)
• M27: 66,739,948 km (0.101 R)
• M28: 71,399,025 km (0.071 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 17,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit