🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.9

Radius: 10.6

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.62 AU - 0.78 AU

Year: 404 Days

Day: 11 Hours

Environment

Temp: -158 °C

Axial Tilt: 72.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,154,290 km

• M1: 131,796 km (0.093 R)
• M2: 545,135 km (0.11 R)
• M3: 1,315,713 km (0.076 R)
• M4: 1,657,544 km (0.049 R)
• M5: 2,068,041 km (0.09 R)
• M6: 2,468,215 km (0.026 R)
• M7: 3,097,574 km (0.038 R)
• M8: 3,574,492 km (0.058 R)
• M9: 4,196,968 km (0.084 R)
• M10: 5,207,801 km (0.12 R)
• M11: 5,539,160 km (0.083 R)
• M12: 6,262,765 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31

Radius: 11.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.42 AU - 2.78 AU

Year: 2894 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,154,290 km

• M1: 147,204 km (0.11 R)
• M2: 779,405 km (0.118 R)
• M3: 1,475,185 km (0.025 R)
• M4: 1,842,597 km (0.09 R)
• M5: 2,430,068 km (0.052 R)
• M6: 2,802,267 km (0.102 R)
• M7: 3,504,480 km (0.09 R)
• M8: 3,997,255 km (0.082 R)
• M9: 6,058,863 km (0.07 R)
• M10: 6,628,682 km (0.101 R)
• M11: 7,298,731 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.9

Radius: 13.1

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.27 AU - 3.69 AU

Year: 3551 Days

Day: 14 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,154,290 km

• M1: 162,912 km (0.036 R)
• M2: 841,338 km (0.04 R)
• M3: 1,311,674 km (0.105 R)
• M4: 1,847,235 km (0.074 R)
• M5: 2,379,055 km (0.051 R)
• M6: 2,984,178 km (0.095 R)
• M7: 5,038,007 km (0.119 R)
• M8: 7,307,108 km (0.045 R)
• M9: 11,394,122 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.2

Radius: 6.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.93 AU - 8.19 AU

Year: 12948 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,154,290 km

• M1: 85,869 km (0.118 R)
• M2: 304,282 km (0.111 R)
• M3: 529,427 km (0.075 R)
• M4: 799,301 km (0.034 R)
• M5: 1,090,718 km (0.107 R)
• M6: 1,589,477 km (0.076 R)
• M7: 2,040,814 km (0.071 R)
• M8: 3,367,598 km (0.067 R)
• M9: 5,731,842 km (0.092 R)
• M10: 6,048,840 km (0.027 R)
• M11: 6,614,919 km (0.067 R)
• M12: 6,893,171 km (0.097 R)
• M13: 8,124,660 km (0.102 R)
• M14: 9,023,145 km (0.098 R)
• M15: 9,496,473 km (0.118 R)
• M16: 10,352,921 km (0.063 R)
• M17: 10,728,411 km (0.118 R)
• M18: 14,587,288 km (0.103 R)
• M19: 16,221,795 km (0.103 R)
• M20: 17,376,989 km (0.061 R)
• M21: 19,141,048 km (0.099 R)
• M22: 19,564,410 km (0.066 R)
• M23: 20,429,983 km (0.081 R)
• M24: 23,339,512 km (0.096 R)
• M25: 32,093,680 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.8

Radius: 4.1

Gravity: 54.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.14 AU - 8.24 AU

Year: 14720 Days

Day: 20 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,154,290 km

• M1: 51,013 km (0.077 R)
• M2: 180,864 km (0.11 R)
• M3: 345,870 km (0.118 R)
• M4: 579,692 km (0.081 R)
• M5: 1,347,278 km (0.106 R)
• M6: 2,261,770 km (0.104 R)
• M7: 3,500,590 km (0.061 R)
• M8: 4,184,701 km (0.107 R)
• M9: 5,390,460 km (0.113 R)
• M10: 7,488,869 km (0.08 R)
• M11: 9,299,153 km (0.119 R)
• M12: 10,479,630 km (0.066 R)
• M13: 10,715,396 km (0.108 R)
• M14: 10,954,603 km (0.117 R)
• M15: 11,568,104 km (0.073 R)
• M16: 12,399,569 km (0.118 R)
• M17: 12,863,472 km (0.104 R)
• M18: 14,983,124 km (0.101 R)
• M19: 16,518,597 km (0.1 R)
• M20: 20,350,995 km (0.117 R)
• M21: 22,814,872 km (0.088 R)
• M22: 25,789,476 km (0.072 R)
• M23: 33,756,311 km (0.072 R)
• M24: 34,012,572 km (0.105 R)
• M25: 40,850,092 km (0.087 R)
• M26: 41,580,429 km (0.098 R)
• M27: 46,461,508 km (0.031 R)
• M28: 46,619,932 km (0.081 R)
• M29: 47,097,299 km (0.113 R)
• M30: 48,223,771 km (0.094 R)
• M31: 49,533,052 km (0.059 R)
• M32: 58,810,663 km (0.097 R)
• M33: 61,250,754 km (0.103 R)
• M34: 65,931,522 km (0.089 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: 238 - 15,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit