🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.51 AU - 0.59 AU

Year: 154 Days

Day: 25.3 Hours

Environment

Temp: 217 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 44,734,646 km

• M1: 204,051 km (0.11 R)
• M2: 286,181 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.97 AU - 1.29 AU

Year: 453 Days

Day: 29.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,734,646 km

• M1: 163,810 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.79 AU - 3.31 AU

Year: 2007 Days

Day: 12.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,734,646 km

• M1: 44,281 km (0.045 R)
• M2: 1,287,888 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.4

Radius: 11.1

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.67 AU - 4.71 AU

Year: 3826 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,734,646 km

• M1: 138,228 km (0.117 R)
• M2: 659,577 km (0.114 R)
• M3: 1,105,528 km (0.118 R)
• M4: 1,765,255 km (0.086 R)
• M5: 2,431,564 km (0.087 R)
• M6: 3,053,891 km (0.091 R)
• M7: 3,593,341 km (0.053 R)
• M8: 4,128,004 km (0.085 R)
• M9: 4,641,723 km (0.1 R)
• M10: 5,224,107 km (0.092 R)
• M11: 6,027,149 km (0.106 R)
• M12: 6,721,133 km (0.059 R)
• M13: 9,280,454 km (0.063 R)
• M14: 10,712,853 km (0.106 R)
• M15: 11,236,446 km (0.036 R)
• M16: 14,374,859 km (0.108 R)
• M17: 16,229,574 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.5

Radius: 14.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.68 AU - 6.76 AU

Year: 5844 Days

Day: 11.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,734,646 km

• M1: 185,950 km (0.058 R)
• M2: 672,293 km (0.103 R)
• M3: 1,330,673 km (0.088 R)
• M4: 2,265,660 km (0.107 R)
• M5: 3,498,197 km (0.037 R)
• M6: 4,707,695 km (0.113 R)
• M7: 5,718,528 km (0.088 R)
• M8: 6,535,333 km (0.095 R)
• M9: 9,083,433 km (0.065 R)
• M10: 9,888,270 km (0.06 R)
• M11: 11,019,379 km (0.116 R)
• M12: 11,640,809 km (0.098 R)
• M13: 16,792,062 km (0.066 R)
• M14: 17,875,001 km (0.098 R)
• M15: 18,801,460 km (0.118 R)
• M16: 19,759,635 km (0.069 R)
• M17: 20,392,733 km (0.096 R)
• M18: 21,257,708 km (0.117 R)
• M19: 23,371,376 km (0.056 R)
• M20: 26,799,711 km (0.066 R)
• M21: 30,457,229 km (0.059 R)
• M22: 31,970,711 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.9

Radius: 13.6

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 11.47 AU - 11.61 AU

Year: 14768 Days

Day: 8.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 44,734,646 km

• M1: 169,195 km (0.078 R)
• M2: 706,850 km (0.099 R)
• M3: 1,542,354 km (0.091 R)
• M4: 2,124,290 km (0.115 R)
• M5: 3,738,900 km (0.116 R)
• M6: 4,311,111 km (0.098 R)
• M7: 4,872,103 km (0.071 R)
• M8: 5,407,514 km (0.104 R)
• M9: 6,639,303 km (0.103 R)
• M10: 7,715,660 km (0.076 R)
• M11: 8,546,227 km (0.047 R)
• M12: 9,489,741 km (0.1 R)
• M13: 10,501,621 km (0.032 R)
• M14: 13,141,874 km (0.111 R)
• M15: 13,971,095 km (0.085 R)
• M16: 14,982,376 km (0.102 R)
• M17: 15,430,422 km (0.075 R)
• M18: 20,327,209 km (0.119 R)
• M19: 24,489,171 km (0.066 R)
• M20: 30,242,406 km (0.03 R)
• M21: 30,719,025 km (0.047 R)
• M22: 31,322,054 km (0.042 R)
• M23: 32,926,641 km (0.053 R)
• M24: 33,431,235 km (0.071 R)
• M25: 36,299,475 km (0.105 R)
• M26: 38,485,847 km (0.032 R)
• M27: 40,903,648 km (0.059 R)
• M28: 43,875,859 km (0.084 R)
• M29: 45,259,190 km (0.078 R)
• M30: 46,830,117 km (0.062 R)
• M31: 48,112,770 km (0.117 R)
• M32: 49,914,526 km (0.04 R)
• M33: 53,478,696 km (0.112 R)
• M34: 62,448,135 km (0.102 R)
• M35: 66,782,434 km (0.12 R)
• M36: 67,388,605 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.6

Radius: 3.4

Gravity: 18.74 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 10.12 AU - 14.26 AU

Year: 16034 Days

Day: 18.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,734,646 km

• M1: 42,336 km (0.06 R)
• M2: 325,226 km (0.067 R)
• M3: 578,944 km (0.066 R)
• M4: 1,098,796 km (0.09 R)
• M5: 1,213,089 km (0.032 R)
• M6: 1,360,892 km (0.12 R)
• M7: 1,520,513 km (0.108 R)
• M8: 2,144,934 km (0.032 R)
• M9: 2,775,788 km (0.103 R)
• M10: 3,570,901 km (0.089 R)
• M11: 6,399,199 km (0.094 R)
• M12: 7,890,988 km (0.104 R)
• M13: 10,797,077 km (0.101 R)
• M14: 11,594,134 km (0.108 R)
• M15: 12,486,635 km (0.101 R)
• M16: 12,658,972 km (0.045 R)
• M17: 14,980,880 km (0.114 R)
• M18: 15,702,540 km (0.092 R)
• M19: 16,862,971 km (0.062 R)
• M20: 22,413,800 km (0.117 R)
• M21: 25,046,573 km (0.051 R)
• M22: 25,504,492 km (0.065 R)
• M23: 25,689,246 km (0.057 R)
• M24: 26,911,909 km (0.063 R)
• M25: 30,811,477 km (0.106 R)
• M26: 38,481,509 km (0.073 R)
• M27: 39,090,971 km (0.118 R)
• M28: 39,955,048 km (0.077 R)
• M29: 41,593,444 km (0.088 R)
• M30: 42,753,575 km (0.083 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: 322 - 13,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit