🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.45 AU - 0.55 AU

Year: 129 Days

Day: 44.5 Hours

Environment

Temp: 194 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,533,000 km

• M1: 119,977 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.52 AU - 0.66 AU

Year: 166 Days

Day: 31.6 Hours

Environment

Temp: 187 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.82 AU - 0.9 AU

Year: 291 Days

Day: 36.7 Hours

Environment

Temp: 105 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.71 AU - 1.07 AU

Year: 307 Days

Day: 14.3 Hours

Environment

Temp: 135 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.17 AU - 1.45 AU

Year: 548 Days

Day: 47.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.26 AU - 1.7 AU

Year: 658 Days

Day: 41.7 Hours

Environment

Temp: -27 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.8

Radius: 11.3

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 9.04 AU - 12.1 AU

Year: 12552 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,533,000 km

• M1: 141,071 km (0.09 R)
• M2: 745,446 km (0.045 R)
• M3: 1,157,140 km (0.096 R)
• M4: 2,044,105 km (0.116 R)
• M5: 2,592,531 km (0.076 R)
• M6: 3,571,500 km (0.07 R)
• M7: 4,494,967 km (0.116 R)
• M8: 4,879,883 km (0.112 R)
• M9: 5,790,485 km (0.095 R)
• M10: 8,512,119 km (0.092 R)
• M11: 10,205,716 km (0.089 R)
• M12: 12,547,073 km (0.096 R)
• M13: 12,926,902 km (0.099 R)
• M14: 14,180,382 km (0.065 R)
• M15: 15,513,299 km (0.12 R)
• M16: 16,098,975 km (0.113 R)
• M17: 17,081,833 km (0.085 R)
• M18: 18,184,668 km (0.115 R)
• M19: 18,589,929 km (0.118 R)
• M20: 23,549,398 km (0.042 R)
• M21: 24,323,118 km (0.101 R)
• M22: 31,135,954 km (0.12 R)
• M23: 36,366,046 km (0.098 R)
• M24: 37,399,767 km (0.106 R)
• M25: 39,525,852 km (0.033 R)
• M26: 43,294,372 km (0.044 R)
• M27: 50,573,804 km (0.101 R)
• M28: 51,054,013 km (0.107 R)
• M29: 54,501,945 km (0.117 R)
• M30: 58,452,974 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.6

Radius: 4.1

Gravity: 59.05 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 15 AU - 15.34 AU

Year: 21581 Days

Day: 24.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 132.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,533,000 km

• M1: 51,312 km (0.12 R)
• M2: 192,233 km (0.096 R)
• M3: 321,336 km (0.071 R)
• M4: 1,041,500 km (0.116 R)
• M5: 1,366,128 km (0.113 R)
• M6: 1,499,719 km (0.114 R)
• M7: 1,754,933 km (0.106 R)
• M8: 3,363,858 km (0.108 R)
• M9: 4,525,934 km (0.103 R)
• M10: 6,336,218 km (0.117 R)
• M11: 6,854,574 km (0.088 R)
• M12: 9,814,668 km (0.085 R)
• M13: 10,315,372 km (0.099 R)
• M14: 11,232,107 km (0.029 R)
• M15: 17,172,040 km (0.112 R)
• M16: 21,212,080 km (0.071 R)
• M17: 24,230,816 km (0.097 R)
• M18: 28,895,128 km (0.106 R)
• M19: 36,587,750 km (0.111 R)
• M20: 38,091,059 km (0.104 R)
• M21: 40,900,058 km (0.071 R)
• M22: 43,012,529 km (0.117 R)
• M23: 52,190,359 km (0.088 R)
• M24: 60,077,757 km (0.056 R)
• M25: 62,802,682 km (0.118 R)
• M26: 67,823,486 km (0.066 R)
• M27: 84,997,172 km (0.025 R)
• M28: 86,305,405 km (0.06 R)
• M29: 88,426,254 km (0.102 R)
• M30: 88,693,885 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.1

Radius: 6.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 11.74 AU - 19.04 AU

Year: 22052 Days

Day: 17 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,533,000 km

• M1: 90,357 km (0.114 R)
• M2: 330,312 km (0.11 R)
• M3: 728,841 km (0.095 R)
• M4: 1,021,753 km (0.119 R)
• M5: 1,866,981 km (0.077 R)
• M6: 2,741,381 km (0.076 R)
• M7: 3,307,011 km (0.07 R)
• M8: 4,700,215 km (0.075 R)
• M9: 4,927,006 km (0.091 R)
• M10: 7,841,023 km (0.045 R)
• M11: 8,875,791 km (0.052 R)
• M12: 9,840,398 km (0.037 R)
• M13: 11,620,015 km (0.087 R)
• M14: 12,898,179 km (0.107 R)
• M15: 15,803,220 km (0.112 R)
• M16: 16,093,889 km (0.088 R)
• M17: 17,523,296 km (0.095 R)
• M18: 21,154,635 km (0.115 R)
• M19: 24,864,812 km (0.111 R)
• M20: 27,183,279 km (0.112 R)
• M21: 33,066,665 km (0.036 R)
• M22: 33,661,914 km (0.053 R)
• M23: 38,030,771 km (0.119 R)
• M24: 38,815,860 km (0.109 R)
• M25: 40,825,708 km (0.1 R)
• M26: 41,373,086 km (0.092 R)
• M27: 41,925,402 km (0.109 R)
• M28: 45,636,177 km (0.082 R)
• M29: 46,671,245 km (0.095 R)
• M30: 46,969,991 km (0.103 R)
• M31: 52,888,831 km (0.085 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 15,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit