🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.64 AU - 1.02 AU

Year: 263 Days

Day: 14.5 Hours

Environment

Temp: 127 °C

Axial Tilt: 71.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,152,364 km

• M1: 285,732 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.79 AU - 1.01 AU

Year: 297 Days

Day: 16.9 Hours

Environment

Temp: 141 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,152,364 km

• M1: 403,017 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.33 AU - 3.01 AU

Year: 1519 Days

Day: 17.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,152,364 km

• M1: 72,106 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5 AU - 6.26 AU

Year: 4652 Days

Day: 34.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,152,364 km

• M1: 785,090 km (0.111 R)
• M2: 4,588,615 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 12.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.76 AU - 6.72 AU

Year: 4789 Days

Day: 15 Hours

Environment

Temp: -131 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,152,364 km

• M1: 160,369 km (0.09 R)
• M2: 1,269,188 km (0.117 R)
• M3: 2,064,750 km (0.091 R)
• M4: 2,723,280 km (0.049 R)
• M5: 3,646,897 km (0.088 R)
• M6: 4,640,077 km (0.104 R)
• M7: 9,234,228 km (0.05 R)
• M8: 9,907,119 km (0.096 R)
• M9: 12,725,992 km (0.11 R)
• M10: 13,720,219 km (0.103 R)
• M11: 14,319,209 km (0.088 R)
• M12: 15,279,179 km (0.099 R)
• M13: 17,643,124 km (0.1 R)
• M14: 19,620,509 km (0.074 R)
• M15: 20,804,576 km (0.041 R)
• M16: 21,522,945 km (0.081 R)
• M17: 24,563,222 km (0.113 R)
• M18: 27,879,059 km (0.042 R)
• M19: 28,488,671 km (0.103 R)
• M20: 30,096,848 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.3

Radius: 8.6

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.82 AU - 7.76 AU

Year: 6855 Days

Day: 11.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,152,364 km

• M1: 108,907 km (0.049 R)
• M2: 493,673 km (0.089 R)
• M3: 769,232 km (0.074 R)
• M4: 1,266,496 km (0.08 R)
• M5: 1,582,147 km (0.103 R)
• M6: 1,995,037 km (0.084 R)
• M7: 2,309,043 km (0.046 R)
• M8: 3,078,126 km (0.114 R)
• M9: 3,456,010 km (0.114 R)
• M10: 4,407,901 km (0.052 R)
• M11: 5,287,686 km (0.077 R)
• M12: 7,066,405 km (0.073 R)
• M13: 9,084,630 km (0.108 R)
• M14: 10,595,269 km (0.115 R)
• M15: 11,808,059 km (0.101 R)
• M16: 13,492,232 km (0.032 R)
• M17: 14,391,764 km (0.078 R)
• M18: 15,754,152 km (0.113 R)
• M19: 17,071,361 km (0.102 R)
• M20: 19,852,086 km (0.069 R)
• M21: 20,500,593 km (0.069 R)
• M22: 21,764,097 km (0.072 R)
• M23: 22,453,593 km (0.095 R)
• M24: 23,157,601 km (0.093 R)
• M25: 23,475,197 km (0.068 R)
• M26: 23,876,119 km (0.063 R)
• M27: 24,774,604 km (0.049 R)
• M28: 27,075,120 km (0.101 R)
• M29: 32,789,759 km (0.086 R)
• M30: 34,206,152 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.4

Radius: 9.2

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 11.01 AU - 12.97 AU

Year: 14458 Days

Day: 14.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,152,364 km

• M1: 117,584 km (0.09 R)
• M2: 665,411 km (0.076 R)
• M3: 1,314,217 km (0.117 R)
• M4: 1,816,417 km (0.068 R)
• M5: 2,141,494 km (0.04 R)
• M6: 3,739,947 km (0.102 R)
• M7: 4,209,684 km (0.106 R)
• M8: 5,091,414 km (0.106 R)
• M9: 5,782,556 km (0.075 R)
• M10: 6,411,765 km (0.05 R)
• M11: 7,350,641 km (0.102 R)
• M12: 10,431,609 km (0.096 R)
• M13: 11,184,834 km (0.075 R)
• M14: 12,350,351 km (0.119 R)
• M15: 13,460,068 km (0.049 R)
• M16: 14,777,577 km (0.119 R)
• M17: 15,065,553 km (0.065 R)
• M18: 16,484,937 km (0.089 R)
• M19: 24,336,133 km (0.087 R)
• M20: 27,244,016 km (0.093 R)
• M21: 27,568,644 km (0.103 R)
• M22: 30,375,698 km (0.096 R)
• M23: 32,998,747 km (0.084 R)
• M24: 33,739,556 km (0.028 R)
• M25: 34,617,845 km (0.11 R)
• M26: 43,219,573 km (0.112 R)
• M27: 44,106,389 km (0.047 R)
• M28: 56,938,595 km (0.099 R)
• M29: 62,211,471 km (0.099 R)

Kuiper Belt

Range: 31.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 13,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit