🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.78 AU - 1.2 AU

Year: 373 Days

Day: 24.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 4.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,337,357 km

• M1: 78,090 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.91 AU - 1.17 AU

Year: 402 Days

Day: 33.4 Hours

Environment

Temp: -1 °C

Axial Tilt: 14 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,337,357 km

• M1: 34,408 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.41 AU - 2.17 AU

Year: 907 Days

Day: 47.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.76 AU - 2.3 AU

Year: 1095 Days

Day: 20 Hours

Environment

Temp: -76 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.5 AU - 2.6 AU

Year: 1542 Days

Day: 41.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927

Radius: 10.1

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.54 AU - 5.94 AU

Year: 4543 Days

Day: 13.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,337,357 km

• M1: 125,662 km (0.042 R)
• M2: 525,388 km (0.087 R)
• M3: 976,575 km (0.027 R)
• M4: 1,486,704 km (0.095 R)
• M5: 1,920,388 km (0.041 R)
• M6: 2,676,605 km (0.113 R)
• M7: 3,202,890 km (0.115 R)
• M8: 3,979,902 km (0.031 R)
• M9: 4,693,184 km (0.083 R)
• M10: 5,066,880 km (0.091 R)
• M11: 5,935,296 km (0.11 R)
• M12: 6,309,440 km (0.055 R)
• M13: 7,174,115 km (0.095 R)
• M14: 11,247,666 km (0.047 R)
• M15: 12,516,704 km (0.112 R)
• M16: 13,396,639 km (0.078 R)
• M17: 14,151,659 km (0.109 R)
• M18: 14,991,951 km (0.099 R)
• M19: 15,628,938 km (0.073 R)
• M20: 16,344,315 km (0.103 R)
• M21: 17,840,593 km (0.095 R)
• M22: 18,163,425 km (0.114 R)
• M23: 18,490,147 km (0.087 R)
• M24: 19,290,496 km (0.073 R)
• M25: 20,253,158 km (0.102 R)
• M26: 21,319,791 km (0.073 R)
• M27: 25,716,024 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.7

Radius: 13.4

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.37 AU - 6.57 AU

Year: 6233 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,337,357 km

• M1: 166,652 km (0.091 R)
• M2: 593,156 km (0.118 R)
• M3: 1,118,394 km (0.03 R)
• M4: 1,717,832 km (0.077 R)
• M5: 2,278,824 km (0.084 R)
• M6: 3,205,284 km (0.097 R)
• M7: 3,696,115 km (0.112 R)
• M8: 4,215,518 km (0.108 R)
• M9: 4,665,808 km (0.086 R)
• M10: 5,098,595 km (0.12 R)
• M11: 6,129,623 km (0.036 R)
• M12: 7,649,388 km (0.066 R)
• M13: 8,462,602 km (0.082 R)
• M14: 9,445,460 km (0.102 R)
• M15: 11,989,821 km (0.052 R)
• M16: 14,003,258 km (0.044 R)
• M17: 17,633,550 km (0.096 R)
• M18: 18,392,909 km (0.12 R)
• M19: 20,102,513 km (0.08 R)
• M20: 22,930,810 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.8

Radius: 4

Gravity: 53.18 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 11.87 AU - 15.61 AU

Year: 19290 Days

Day: 17 Hours

Environment

Temp: -192 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 90,337,357 km

• M1: 49,966 km (0.054 R)
• M2: 229,184 km (0.075 R)
• M3: 579,991 km (0.116 R)
• M4: 876,344 km (0.109 R)
• M5: 1,139,038 km (0.11 R)
• M6: 2,140,147 km (0.111 R)
• M7: 2,381,149 km (0.12 R)
• M8: 2,917,308 km (0.053 R)
• M9: 3,326,309 km (0.064 R)
• M10: 5,919,289 km (0.043 R)
• M11: 6,527,553 km (0.088 R)
• M12: 7,176,359 km (0.103 R)
• M13: 8,387,055 km (0.099 R)
• M14: 8,547,274 km (0.054 R)
• M15: 9,610,766 km (0.079 R)
• M16: 10,510,298 km (0.064 R)
• M17: 10,822,209 km (0.074 R)
• M18: 13,180,919 km (0.044 R)
• M19: 14,137,747 km (0.086 R)
• M20: 14,364,986 km (0.114 R)
• M21: 14,671,662 km (0.062 R)
• M22: 15,061,214 km (0.105 R)
• M23: 15,298,327 km (0.08 R)
• M24: 16,604,616 km (0.059 R)
• M25: 18,791,737 km (0.054 R)
• M26: 19,158,700 km (0.059 R)
• M27: 19,906,689 km (0.069 R)
• M28: 20,288,014 km (0.087 R)
• M29: 20,480,397 km (0.096 R)
• M30: 22,678,289 km (0.056 R)
• M31: 24,698,908 km (0.085 R)
• M32: 25,028,472 km (0.092 R)
• M33: 30,835,861 km (0.094 R)
• M34: 42,927,558 km (0.065 R)
• M35: 43,723,568 km (0.049 R)
• M36: 46,004,487 km (0.088 R)
• M37: 54,983,949 km (0.079 R)
• M38: 60,975,344 km (0.059 R)
• M39: 63,201,660 km (0.048 R)
• M40: 65,901,901 km (0.112 R)
• M41: 74,690,776 km (0.081 R)
• M42: 75,610,354 km (0.112 R)
• M43: 79,842,029 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.7

Radius: 6.6

Gravity: 16.73 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 16.16 AU - 16.58 AU

Year: 25085 Days

Day: 19.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,337,357 km

• M1: 82,129 km (0.093 R)
• M2: 386,710 km (0.077 R)
• M3: 871,108 km (0.083 R)
• M4: 1,165,966 km (0.053 R)
• M5: 1,578,706 km (0.101 R)
• M6: 1,838,857 km (0.093 R)
• M7: 2,238,134 km (0.069 R)
• M8: 4,399,225 km (0.103 R)
• M9: 5,394,798 km (0.059 R)
• M10: 5,686,813 km (0.108 R)
• M11: 10,001,366 km (0.085 R)
• M12: 11,364,053 km (0.098 R)
• M13: 12,054,596 km (0.031 R)
• M14: 12,554,253 km (0.098 R)
• M15: 12,846,119 km (0.111 R)
• M16: 15,345,301 km (0.088 R)
• M17: 15,932,323 km (0.099 R)
• M18: 16,534,155 km (0.081 R)
• M19: 16,796,699 km (0.1 R)
• M20: 18,713,048 km (0.027 R)
• M21: 28,964,990 km (0.088 R)
• M22: 33,629,452 km (0.113 R)
• M23: 37,854,694 km (0.063 R)
• M24: 42,420,571 km (0.087 R)
• M25: 50,211,029 km (0.115 R)
• M26: 54,925,307 km (0.058 R)
• M27: 84,251,875 km (0.082 R)
• M28: 84,510,530 km (0.116 R)
• M29: 87,656,723 km (0.074 R)
• M30: 87,922,259 km (0.038 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 15,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit