🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.4 AU - 0.64 AU

Year: 136 Days

Day: 14.3 Hours

Environment

Temp: 199 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.49 AU - 0.63 AU

Year: 152 Days

Day: 43.1 Hours

Environment

Temp: 174 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,548,615 km

• M1: 328,218 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.56 AU - 0.58 AU

Year: 156 Days

Day: 44.4 Hours

Environment

Temp: 151 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.5 AU - 1.9 AU

Year: 802 Days

Day: 27.3 Hours

Environment

Temp: -36 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,548,615 km

• M1: 262,095 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.66 AU - 2.36 AU

Year: 1031 Days

Day: 46.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,548,615 km

• M1: 116,088 km (0.113 R)
• M2: 759,808 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.58 AU - 5.42 AU

Year: 3452 Days

Day: 42.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906

Radius: 13.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.17 AU - 8.91 AU

Year: 8245 Days

Day: 5.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,548,615 km

• M1: 174,880 km (0.098 R)
• M2: 615,745 km (0.085 R)
• M3: 2,543,164 km (0.106 R)
• M4: 2,989,564 km (0.049 R)
• M5: 3,835,091 km (0.105 R)
• M6: 4,925,360 km (0.087 R)
• M7: 8,439,564 km (0.082 R)
• M8: 9,588,625 km (0.092 R)
• M9: 13,361,483 km (0.07 R)
• M10: 16,252,612 km (0.099 R)
• M11: 19,460,289 km (0.111 R)
• M12: 20,085,908 km (0.075 R)
• M13: 21,130,998 km (0.076 R)
• M14: 24,484,534 km (0.057 R)
• M15: 26,430,054 km (0.062 R)
• M16: 28,177,956 km (0.062 R)
• M17: 32,993,511 km (0.114 R)
• M18: 34,561,596 km (0.114 R)
• M19: 45,437,810 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 12.6

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.05 AU - 10.81 AU

Year: 10473 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,548,615 km

• M1: 157,377 km (0.025 R)
• M2: 598,541 km (0.095 R)
• M3: 1,423,873 km (0.12 R)
• M4: 1,913,058 km (0.103 R)
• M5: 2,554,832 km (0.054 R)
• M6: 3,311,947 km (0.117 R)
• M7: 4,099,730 km (0.108 R)
• M8: 7,183,690 km (0.099 R)
• M9: 11,909,337 km (0.069 R)
• M10: 14,741,673 km (0.087 R)
• M11: 15,497,143 km (0.026 R)
• M12: 16,062,623 km (0.042 R)
• M13: 17,235,021 km (0.112 R)
• M14: 18,073,517 km (0.115 R)
• M15: 19,832,040 km (0.072 R)
• M16: 21,440,217 km (0.103 R)
• M17: 22,054,167 km (0.053 R)
• M18: 25,789,925 km (0.118 R)
• M19: 26,185,312 km (0.091 R)
• M20: 26,584,589 km (0.061 R)
• M21: 27,807,402 km (0.065 R)
• M22: 30,916,644 km (0.031 R)
• M23: 31,475,242 km (0.107 R)
• M24: 34,489,041 km (0.092 R)
• M25: 43,133,105 km (0.074 R)
• M26: 44,252,845 km (0.072 R)
• M27: 46,550,669 km (0.068 R)
• M28: 50,298,394 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.7

Radius: 12.1

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.42 AU - 10.96 AU

Year: 11764 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,548,615 km

• M1: 167,849 km (0.11 R)
• M2: 856,897 km (0.049 R)
• M3: 1,915,152 km (0.119 R)
• M4: 3,234,755 km (0.106 R)
• M5: 4,593,403 km (0.06 R)
• M6: 5,802,303 km (0.068 R)
• M7: 6,262,466 km (0.095 R)
• M8: 7,169,628 km (0.075 R)
• M9: 7,745,579 km (0.045 R)
• M10: 8,642,867 km (0.116 R)
• M11: 10,757,284 km (0.042 R)
• M12: 11,218,494 km (0.098 R)
• M13: 11,995,954 km (0.082 R)
• M14: 12,937,224 km (0.115 R)
• M15: 14,684,826 km (0.099 R)
• M16: 15,324,955 km (0.087 R)
• M17: 16,967,989 km (0.066 R)
• M18: 18,479,227 km (0.09 R)
• M19: 19,057,871 km (0.11 R)
• M20: 19,478,690 km (0.105 R)
• M21: 22,413,351 km (0.088 R)
• M22: 23,453,805 km (0.06 R)
• M23: 23,840,066 km (0.047 R)
• M24: 24,625,305 km (0.108 R)
• M25: 25,630,902 km (0.042 R)
• M26: 26,040,801 km (0.099 R)
• M27: 28,592,641 km (0.114 R)
• M28: 29,144,508 km (0.097 R)
• M29: 33,818,992 km (0.073 R)
• M30: 44,770,454 km (0.11 R)
• M31: 45,965,591 km (0.075 R)
• M32: 48,575,625 km (0.09 R)
• M33: 57,520,381 km (0.096 R)
• M34: 58,754,713 km (0.101 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 15,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit