🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.51 AU - 0.55 AU

Year: 249 Days

Day: 13.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 14.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.04 AU - 1.14 AU

Year: 735 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,895,060 km

• M1: 185,352 km (0.072 R)
• M2: 865,424 km (0.091 R)
• M3: 1,406,519 km (0.096 R)
• M4: 2,321,460 km (0.069 R)
• M5: 2,803,464 km (0.054 R)
• M6: 3,478,300 km (0.119 R)
• M7: 4,038,245 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.5

Radius: 8.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.68 AU - 1.8 AU

Year: 1482 Days

Day: 9.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,895,060 km

• M1: 108,159 km (0.074 R)
• M2: 413,489 km (0.1 R)
• M3: 1,033,422 km (0.105 R)
• M4: 1,475,783 km (0.058 R)
• M5: 1,922,632 km (0.044 R)
• M6: 2,301,414 km (0.077 R)
• M7: 2,656,858 km (0.076 R)
• M8: 3,022,176 km (0.104 R)
• M9: 3,293,547 km (0.107 R)
• M10: 3,996,208 km (0.105 R)
• M11: 4,357,936 km (0.092 R)
• M12: 5,204,510 km (0.099 R)
• M13: 5,778,966 km (0.102 R)
• M14: 6,685,379 km (0.093 R)
• M15: 7,196,406 km (0.112 R)
• M16: 8,037,295 km (0.105 R)
• M17: 8,750,428 km (0.115 R)
• M18: 9,108,566 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.2

Radius: 11.7

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.43 AU - 2.63 AU

Year: 2598 Days

Day: 6.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,895,060 km

• M1: 145,559 km (0.079 R)
• M2: 600,935 km (0.119 R)
• M3: 1,025,643 km (0.095 R)
• M4: 2,604,499 km (0.101 R)
• M5: 3,046,561 km (0.03 R)
• M6: 3,478,300 km (0.099 R)
• M7: 4,083,723 km (0.078 R)
• M8: 4,519,651 km (0.033 R)
• M9: 5,424,120 km (0.106 R)
• M10: 5,974,191 km (0.094 R)
• M11: 6,989,661 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62

Radius: 10.6

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.98 AU - 4.9 AU

Year: 5050 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,895,060 km

• M1: 143,016 km (0.113 R)
• M2: 500,405 km (0.092 R)
• M3: 1,184,067 km (0.082 R)
• M4: 1,544,000 km (0.07 R)
• M5: 2,271,793 km (0.116 R)
• M6: 2,728,067 km (0.051 R)
• M7: 4,178,568 km (0.09 R)
• M8: 4,989,538 km (0.11 R)
• M9: 7,182,194 km (0.099 R)
• M10: 8,431,934 km (0.065 R)
• M11: 10,149,617 km (0.043 R)
• M12: 11,179,150 km (0.1 R)
• M13: 11,940,453 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 13.7

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.27 AU - 5.45 AU

Year: 8012 Days

Day: 11 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,895,060 km

• M1: 170,392 km (0.061 R)
• M2: 672,891 km (0.045 R)
• M3: 1,138,589 km (0.066 R)
• M4: 1,570,628 km (0.09 R)
• M5: 2,065,348 km (0.12 R)
• M6: 2,826,951 km (0.113 R)
• M7: 3,262,879 km (0.092 R)
• M8: 3,845,862 km (0.086 R)
• M9: 4,384,265 km (0.074 R)
• M10: 4,881,229 km (0.113 R)
• M11: 5,714,489 km (0.078 R)
• M12: 6,603,400 km (0.104 R)
• M13: 7,831,299 km (0.068 R)
• M14: 10,175,498 km (0.083 R)
• M15: 10,893,567 km (0.115 R)
• M16: 11,372,729 km (0.082 R)
• M17: 11,810,602 km (0.097 R)
• M18: 13,132,599 km (0.066 R)
• M19: 15,264,518 km (0.093 R)
• M20: 15,933,370 km (0.074 R)
• M21: 18,805,948 km (0.086 R)
• M22: 20,525,127 km (0.048 R)
• M23: 23,122,445 km (0.065 R)
• M24: 25,743,998 km (0.066 R)
• M25: 26,788,341 km (0.106 R)
• M26: 30,195,283 km (0.063 R)
• M27: 34,675,739 km (0.114 R)
• M28: 35,135,154 km (0.044 R)
• M29: 41,099,921 km (0.06 R)
• M30: 45,476,855 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212

Radius: 3.4

Gravity: 18.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.86 AU - 9.88 AU

Year: 18519 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,895,060 km

• M1: 42,336 km (0.092 R)
• M2: 217,216 km (0.034 R)
• M3: 410,048 km (0.063 R)
• M4: 692,638 km (0.057 R)
• M5: 881,281 km (0.077 R)
• M6: 1,114,654 km (0.089 R)
• M7: 1,233,734 km (0.099 R)
• M8: 2,379,055 km (0.103 R)
• M9: 3,483,686 km (0.092 R)
• M10: 4,232,124 km (0.046 R)
• M11: 4,347,314 km (0.077 R)
• M12: 4,766,487 km (0.112 R)
• M13: 5,719,725 km (0.074 R)
• M14: 5,895,951 km (0.074 R)
• M15: 7,071,043 km (0.064 R)
• M16: 7,315,336 km (0.039 R)
• M17: 9,137,139 km (0.113 R)
• M18: 9,574,114 km (0.094 R)
• M19: 10,229,502 km (0.091 R)
• M20: 11,350,439 km (0.101 R)
• M21: 12,374,437 km (0.119 R)
• M22: 14,344,192 km (0.059 R)
• M23: 14,801,213 km (0.057 R)
• M24: 15,403,195 km (0.113 R)
• M25: 16,513,211 km (0.1 R)
• M26: 16,870,750 km (0.055 R)
• M27: 17,824,437 km (0.058 R)
• M28: 18,276,521 km (0.081 R)
• M29: 20,900,319 km (0.109 R)
• M30: 28,076,678 km (0.071 R)
• M31: 29,413,185 km (0.109 R)
• M32: 31,880,353 km (0.03 R)
• M33: 38,207,595 km (0.079 R)
• M34: 41,269,565 km (0.064 R)
• M35: 46,871,855 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 16,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit