🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.45 AU - 0.59 AU

Year: 138 Days

Day: 29.4 Hours

Environment

Temp: 196 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 49,424,816 km

• M1: 42,635 km (0.076 R)
• M2: 109,057 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.87 AU - 1.37 AU

Year: 435 Days

Day: 17.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.21 AU - 1.39 AU

Year: 544 Days

Day: 22.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 22.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.52 AU - 1.62 AU

Year: 722 Days

Day: 38.7 Hours

Environment

Temp: -36 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,424,816 km

• M1: 126,410 km (0.052 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.16 AU - 2.54 AU

Year: 1322 Days

Day: 20.9 Hours

Environment

Temp: -75 °C

Axial Tilt: 111 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.38 AU - 3.78 AU

Year: 2487 Days

Day: 29.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.9

Radius: 12

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.4 AU - 5.76 AU

Year: 4839 Days

Day: 10.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,424,816 km

• M1: 149,299 km (0.109 R)
• M2: 537,206 km (0.078 R)
• M3: 1,123,480 km (0.067 R)
• M4: 1,679,535 km (0.053 R)
• M5: 2,088,835 km (0.08 R)
• M6: 2,866,744 km (0.1 R)
• M7: 3,564,768 km (0.112 R)
• M8: 4,250,674 km (0.108 R)
• M9: 4,781,597 km (0.115 R)
• M10: 5,328,227 km (0.115 R)
• M11: 6,289,543 km (0.09 R)
• M12: 7,685,890 km (0.066 R)
• M13: 10,487,708 km (0.072 R)
• M14: 11,223,730 km (0.108 R)
• M15: 13,320,045 km (0.056 R)
• M16: 15,783,623 km (0.091 R)
• M17: 19,750,360 km (0.093 R)
• M18: 20,801,434 km (0.087 R)
• M19: 21,595,649 km (0.115 R)
• M20: 24,178,756 km (0.094 R)
• M21: 26,371,861 km (0.057 R)
• M22: 29,408,099 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 13.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.83 AU - 8.73 AU

Year: 8746 Days

Day: 12.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,424,816 km

• M1: 171,589 km (0.077 R)
• M2: 1,577,061 km (0.117 R)
• M3: 2,040,665 km (0.103 R)
• M4: 2,596,421 km (0.09 R)
• M5: 3,511,212 km (0.088 R)
• M6: 4,719,514 km (0.102 R)
• M7: 5,274,671 km (0.083 R)
• M8: 6,369,578 km (0.119 R)
• M9: 7,049,351 km (0.078 R)
• M10: 8,733,823 km (0.056 R)
• M11: 9,430,201 km (0.082 R)
• M12: 10,724,971 km (0.104 R)
• M13: 13,543,694 km (0.105 R)
• M14: 14,161,682 km (0.091 R)
• M15: 15,857,075 km (0.048 R)
• M16: 19,569,645 km (0.116 R)
• M17: 20,360,270 km (0.062 R)
• M18: 21,921,025 km (0.086 R)
• M19: 23,915,464 km (0.109 R)
• M20: 26,695,142 km (0.112 R)
• M21: 36,912,227 km (0.093 R)
• M22: 38,486,595 km (0.118 R)
• M23: 40,231,804 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.8

Radius: 9.1

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.22 AU - 13.3 AU

Year: 12957 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 142.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,424,816 km

• M1: 167,998 km (0.039 R)
• M2: 571,015 km (0.069 R)
• M3: 1,041,351 km (0.047 R)
• M4: 1,371,962 km (0.115 R)
• M5: 2,581,910 km (0.081 R)
• M6: 3,644,503 km (0.097 R)
• M7: 4,479,858 km (0.108 R)
• M8: 5,540,507 km (0.043 R)
• M9: 13,770,484 km (0.099 R)
• M10: 15,567,154 km (0.084 R)
• M11: 16,413,729 km (0.118 R)
• M12: 17,216,471 km (0.034 R)
• M13: 17,968,799 km (0.053 R)
• M14: 22,414,399 km (0.103 R)
• M15: 24,418,412 km (0.063 R)
• M16: 25,560,591 km (0.109 R)
• M17: 28,779,788 km (0.066 R)
• M18: 29,200,457 km (0.038 R)
• M19: 43,531,933 km (0.073 R)
• M20: 45,067,555 km (0.115 R)
• M21: 46,783,593 km (0.074 R)
• M22: 50,956,176 km (0.114 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.7

Radius: 10.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 11.89 AU - 12.13 AU

Year: 15279 Days

Day: 10.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,424,816 km

• M1: 132,095 km (0.094 R)
• M2: 601,533 km (0.083 R)
• M3: 1,059,602 km (0.095 R)
• M4: 1,903,334 km (0.087 R)
• M5: 2,263,416 km (0.066 R)
• M6: 2,836,675 km (0.091 R)
• M7: 3,216,055 km (0.081 R)
• M8: 3,809,959 km (0.112 R)
• M9: 5,087,973 km (0.051 R)
• M10: 6,330,533 km (0.103 R)
• M11: 6,904,091 km (0.117 R)
• M12: 7,893,681 km (0.065 R)
• M13: 8,881,476 km (0.106 R)
• M14: 9,212,536 km (0.075 R)
• M15: 9,601,042 km (0.088 R)
• M16: 11,936,713 km (0.101 R)
• M17: 14,497,530 km (0.054 R)
• M18: 17,404,216 km (0.075 R)
• M19: 20,927,246 km (0.101 R)
• M20: 28,113,629 km (0.107 R)
• M21: 33,723,549 km (0.066 R)
• M22: 34,183,712 km (0.101 R)
• M23: 42,930,550 km (0.098 R)
• M24: 45,538,938 km (0.078 R)
• M25: 47,527,244 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 17,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit