🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 12.4

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.6 AU - 0.68 AU

Year: 347 Days

Day: 9 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,382,654 km

• M1: 154,235 km (0.097 R)
• M2: 732,132 km (0.092 R)
• M3: 1,185,114 km (0.112 R)
• M4: 1,646,325 km (0.041 R)
• M5: 2,048,743 km (0.084 R)
• M6: 2,490,206 km (0.047 R)
• M7: 2,903,246 km (0.12 R)
• M8: 3,317,632 km (0.07 R)
• M9: 4,020,443 km (0.081 R)
• M10: 4,537,902 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.7

Radius: 14.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.78 AU - 0.82 AU

Year: 485 Days

Day: 10.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,382,654 km

• M1: 184,005 km (0.099 R)
• M2: 787,782 km (0.045 R)
• M3: 1,254,827 km (0.108 R)
• M4: 1,767,948 km (0.066 R)
• M5: 2,487,364 km (0.105 R)
• M6: 3,668,738 km (0.045 R)
• M7: 4,646,809 km (0.072 R)
• M8: 5,627,274 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.6

Radius: 11.8

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.02 AU - 1.04 AU

Year: 709 Days

Day: 7.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,382,654 km

• M1: 146,756 km (0.102 R)
• M2: 529,277 km (0.085 R)
• M3: 899,981 km (0.109 R)
• M4: 1,298,809 km (0.071 R)
• M5: 2,118,755 km (0.05 R)
• M6: 2,655,811 km (0.105 R)
• M7: 3,071,244 km (0.104 R)
• M8: 3,477,103 km (0.062 R)
• M9: 3,847,208 km (0.095 R)
• M10: 4,571,412 km (0.081 R)
• M11: 5,207,352 km (0.077 R)
• M12: 5,769,092 km (0.105 R)
• M13: 6,172,408 km (0.115 R)
• M14: 7,187,430 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 12.2

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.49 AU - 2.77 AU

Year: 2893 Days

Day: 5.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,382,654 km

• M1: 152,440 km (0.05 R)
• M2: 659,278 km (0.054 R)
• M3: 1,667,268 km (0.102 R)
• M4: 2,128,479 km (0.114 R)
• M5: 2,998,241 km (0.103 R)
• M6: 3,560,280 km (0.098 R)
• M7: 4,335,197 km (0.119 R)
• M8: 5,958,782 km (0.072 R)
• M9: 7,769,365 km (0.071 R)
• M10: 10,068,086 km (0.082 R)
• M11: 10,516,581 km (0.056 R)
• M12: 12,530,617 km (0.102 R)
• M13: 13,855,755 km (0.053 R)
• M14: 14,411,212 km (0.096 R)
• M15: 15,616,372 km (0.069 R)
• M16: 16,939,715 km (0.097 R)
• M17: 18,226,556 km (0.084 R)
• M18: 18,669,515 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.6

Radius: 8.4

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.41 AU - 4.53 AU

Year: 5365 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,382,654 km

• M1: 117,434 km (0.111 R)
• M2: 652,995 km (0.058 R)
• M3: 932,144 km (0.084 R)
• M4: 1,383,930 km (0.101 R)
• M5: 2,155,107 km (0.053 R)
• M6: 2,421,541 km (0.096 R)
• M7: 2,845,950 km (0.046 R)
• M8: 3,319,128 km (0.117 R)
• M9: 4,446,049 km (0.086 R)
• M10: 6,037,471 km (0.088 R)
• M11: 6,541,616 km (0.092 R)
• M12: 6,850,984 km (0.031 R)
• M13: 7,267,913 km (0.074 R)
• M14: 7,735,556 km (0.025 R)
• M15: 9,337,450 km (0.098 R)
• M16: 10,011,837 km (0.036 R)
• M17: 13,379,734 km (0.109 R)
• M18: 15,398,857 km (0.113 R)
• M19: 15,726,626 km (0.109 R)
• M20: 16,396,076 km (0.097 R)
• M21: 17,376,840 km (0.115 R)
• M22: 21,285,982 km (0.044 R)
• M23: 22,803,353 km (0.111 R)
• M24: 24,244,130 km (0.071 R)
• M25: 25,363,870 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.8

Radius: 5.4

Gravity: 12.27 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.92 AU - 7.66 AU

Year: 10700 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,382,654 km

• M1: 67,618 km (0.114 R)
• M2: 544,985 km (0.09 R)
• M3: 735,573 km (0.072 R)
• M4: 1,177,634 km (0.081 R)
• M5: 1,886,130 km (0.112 R)
• M6: 2,332,231 km (0.064 R)
• M7: 3,864,711 km (0.104 R)
• M8: 6,922,043 km (0.099 R)
• M9: 7,377,269 km (0.094 R)
• M10: 9,173,042 km (0.115 R)
• M11: 10,685,178 km (0.046 R)
• M12: 13,659,632 km (0.115 R)
• M13: 14,496,482 km (0.107 R)
• M14: 15,558,029 km (0.093 R)
• M15: 15,944,739 km (0.102 R)
• M16: 18,329,479 km (0.087 R)
• M17: 20,019,785 km (0.093 R)
• M18: 21,492,427 km (0.105 R)
• M19: 21,972,187 km (0.075 R)
• M20: 27,168,021 km (0.1 R)
• M21: 31,665,531 km (0.061 R)
• M22: 39,661,387 km (0.083 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: 193 - 13,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit