🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.51 AU - 0.59 AU

Year: 150 Days

Day: 28.2 Hours

Environment

Temp: 248 °C

Axial Tilt: 24.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,348,195 km

• M1: 51,462 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.63 AU - 0.77 AU

Year: 215 Days

Day: 20.2 Hours

Environment

Temp: 198 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.84 AU - 0.98 AU

Year: 319 Days

Day: 43.1 Hours

Environment

Temp: 78 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.97 AU - 1.53 AU

Year: 513 Days

Day: 39.1 Hours

Environment

Temp: -14 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 43,348,195 km

• M1: 485,894 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.56 AU - 3.78 AU

Year: 2072 Days

Day: 18.1 Hours

Environment

Temp: -110 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,348,195 km

• M1: 1,136,645 km (0.116 R)

Asteroid Belt

Center: 4.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.3

Radius: 8.8

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.48 AU - 6.1 AU

Year: 5114 Days

Day: 14.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,348,195 km

• M1: 137,032 km (0.046 R)
• M2: 442,062 km (0.055 R)
• M3: 1,011,581 km (0.071 R)
• M4: 1,327,382 km (0.04 R)
• M5: 1,709,604 km (0.109 R)
• M6: 2,164,382 km (0.088 R)
• M7: 2,574,280 km (0.082 R)
• M8: 3,074,535 km (0.096 R)
• M9: 3,464,387 km (0.095 R)
• M10: 4,051,260 km (0.037 R)
• M11: 4,495,266 km (0.031 R)
• M12: 4,835,901 km (0.106 R)
• M13: 5,250,287 km (0.067 R)
• M14: 5,839,403 km (0.116 R)
• M15: 6,537,726 km (0.118 R)
• M16: 9,723,562 km (0.096 R)
• M17: 10,384,785 km (0.097 R)
• M18: 10,703,578 km (0.086 R)
• M19: 11,846,207 km (0.105 R)
• M20: 12,703,402 km (0.077 R)
• M21: 13,493,578 km (0.091 R)
• M22: 15,113,723 km (0.083 R)
• M23: 19,689,623 km (0.096 R)
• M24: 20,319,729 km (0.084 R)
• M25: 20,603,965 km (0.105 R)
• M26: 23,751,953 km (0.104 R)
• M27: 24,868,701 km (0.074 R)
• M28: 26,693,795 km (0.045 R)
• M29: 27,292,785 km (0.086 R)
• M30: 29,324,175 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.2

Radius: 4.4

Gravity: 18.5 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 11.32 AU - 18 AU

Year: 20605 Days

Day: 24.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 43,348,195 km

• M1: 84,373 km (0.075 R)
• M2: 241,301 km (0.091 R)
• M3: 747,541 km (0.084 R)
• M4: 1,030,879 km (0.117 R)
• M5: 1,382,584 km (0.074 R)
• M6: 1,562,699 km (0.081 R)
• M7: 1,827,338 km (0.045 R)
• M8: 2,179,641 km (0.064 R)
• M9: 2,969,667 km (0.098 R)
• M10: 3,704,043 km (0.113 R)
• M11: 6,175,699 km (0.116 R)
• M12: 6,541,167 km (0.052 R)
• M13: 8,391,094 km (0.103 R)
• M14: 8,788,725 km (0.046 R)
• M15: 10,967,917 km (0.105 R)
• M16: 14,445,918 km (0.1 R)
• M17: 16,203,245 km (0.098 R)
• M18: 17,530,926 km (0.106 R)
• M19: 20,667,993 km (0.115 R)
• M20: 21,118,731 km (0.088 R)
• M21: 24,760,692 km (0.105 R)
• M22: 25,888,211 km (0.105 R)
• M23: 28,466,081 km (0.109 R)
• M24: 30,741,016 km (0.117 R)
• M25: 32,767,618 km (0.09 R)
• M26: 33,503,640 km (0.056 R)
• M27: 39,793,034 km (0.096 R)
• M28: 41,053,695 km (0.081 R)
• M29: 41,337,482 km (0.074 R)
• M30: 48,704,130 km (0.107 R)
• M31: 55,502,456 km (0.071 R)
• M32: 62,156,718 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.9

Radius: 7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 13.83 AU - 17.49 AU

Year: 22749 Days

Day: 21.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,348,195 km

• M1: 87,066 km (0.082 R)
• M2: 331,060 km (0.115 R)
• M3: 586,424 km (0.083 R)
• M4: 856,149 km (0.074 R)
• M5: 1,186,461 km (0.069 R)
• M6: 1,517,970 km (0.063 R)
• M7: 2,386,684 km (0.107 R)
• M8: 2,960,841 km (0.103 R)
• M9: 4,135,334 km (0.114 R)
• M10: 11,695,562 km (0.067 R)
• M11: 14,175,445 km (0.066 R)
• M12: 16,985,641 km (0.1 R)
• M13: 19,077,618 km (0.098 R)
• M14: 28,870,295 km (0.082 R)
• M15: 31,310,086 km (0.059 R)
• M16: 34,772,379 km (0.07 R)
• M17: 37,295,348 km (0.078 R)
• M18: 38,962,915 km (0.054 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 18,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit