🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.54 AU - 0.8 AU

Year: 354 Days

Day: 24.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.7

Radius: 14.2

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.35 AU - 1.35 AU

Year: 1013 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,689,299 km

• M1: 176,525 km (0.095 R)
• M2: 698,024 km (0.066 R)
• M3: 1,175,390 km (0.052 R)
• M4: 2,062,356 km (0.099 R)
• M5: 2,709,367 km (0.076 R)
• M6: 3,155,318 km (0.056 R)
• M7: 3,725,735 km (0.111 R)
• M8: 4,484,047 km (0.089 R)
• M9: 5,189,550 km (0.069 R)
• M10: 5,968,207 km (0.069 R)
• M11: 6,574,378 km (0.113 R)
• M12: 7,079,121 km (0.091 R)
• M13: 9,915,646 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.2

Radius: 10.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.33 AU - 1.97 AU

Year: 1368 Days

Day: 9.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,689,299 km

• M1: 129,402 km (0.105 R)
• M2: 477,516 km (0.056 R)
• M3: 836,252 km (0.105 R)
• M4: 1,499,868 km (0.08 R)
• M5: 2,042,609 km (0.069 R)
• M6: 2,556,029 km (0.115 R)
• M7: 3,086,204 km (0.059 R)
• M8: 3,552,949 km (0.107 R)
• M9: 3,937,566 km (0.082 R)
• M10: 4,401,319 km (0.09 R)
• M11: 4,938,525 km (0.075 R)
• M12: 5,340,195 km (0.06 R)
• M13: 5,972,994 km (0.098 R)
• M14: 7,218,097 km (0.041 R)
• M15: 9,298,555 km (0.09 R)
• M16: 9,972,792 km (0.03 R)
• M17: 10,337,362 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.5

Radius: 14.6

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.68 AU - 1.84 AU

Year: 1508 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,689,299 km

• M1: 181,612 km (0.107 R)
• M2: 700,118 km (0.11 R)
• M3: 1,441,525 km (0.092 R)
• M4: 1,936,544 km (0.101 R)
• M5: 2,654,465 km (0.074 R)
• M6: 3,117,769 km (0.094 R)
• M7: 3,805,171 km (0.107 R)
• M8: 4,416,279 km (0.062 R)
• M9: 5,227,847 km (0.074 R)
• M10: 6,291,189 km (0.064 R)
• M11: 7,101,112 km (0.077 R)
• M12: 8,733,972 km (0.029 R)
• M13: 9,773,079 km (0.114 R)
• M14: 10,479,032 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 14.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.8 AU - 3.46 AU

Year: 3575 Days

Day: 6.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,689,299 km

• M1: 178,171 km (0.116 R)
• M2: 880,533 km (0.036 R)
• M3: 1,443,320 km (0.092 R)
• M4: 2,549,447 km (0.085 R)
• M5: 3,258,541 km (0.111 R)
• M6: 3,753,411 km (0.068 R)
• M7: 4,275,956 km (0.104 R)
• M8: 5,023,048 km (0.093 R)
• M9: 5,941,130 km (0.111 R)
• M10: 6,685,529 km (0.119 R)
• M11: 8,289,218 km (0.054 R)
• M12: 9,336,104 km (0.089 R)
• M13: 14,163,178 km (0.064 R)
• M14: 14,632,766 km (0.107 R)
• M15: 15,548,305 km (0.112 R)
• M16: 18,156,544 km (0.108 R)
• M17: 20,377,773 km (0.077 R)
• M18: 24,448,780 km (0.079 R)
• M19: 24,898,621 km (0.091 R)
• M20: 25,430,591 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.5

Radius: 13.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.2 AU - 4.68 AU

Year: 5050 Days

Day: 7.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,689,299 km

• M1: 181,612 km (0.092 R)
• M2: 660,774 km (0.078 R)
• M3: 1,879,847 km (0.096 R)
• M4: 2,309,642 km (0.056 R)
• M5: 2,892,924 km (0.113 R)
• M6: 3,512,857 km (0.077 R)
• M7: 4,996,120 km (0.06 R)
• M8: 5,779,265 km (0.048 R)
• M9: 7,089,742 km (0.068 R)
• M10: 8,589,910 km (0.089 R)
• M11: 9,395,345 km (0.085 R)
• M12: 10,762,370 km (0.098 R)
• M13: 11,471,015 km (0.057 R)
• M14: 12,835,049 km (0.084 R)
• M15: 14,515,781 km (0.109 R)
• M16: 16,920,566 km (0.047 R)
• M17: 17,576,104 km (0.117 R)
• M18: 18,310,480 km (0.109 R)
• M19: 20,037,887 km (0.043 R)
• M20: 23,009,798 km (0.083 R)
• M21: 24,112,334 km (0.117 R)
• M22: 25,172,834 km (0.091 R)
• M23: 26,343,437 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 11.4

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.72 AU - 4.66 AU

Year: 5538 Days

Day: 9.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,689,299 km

• M1: 141,819 km (0.035 R)
• M2: 775,964 km (0.068 R)
• M3: 1,675,795 km (0.095 R)
• M4: 2,721,036 km (0.056 R)
• M5: 3,153,374 km (0.059 R)
• M6: 4,518,604 km (0.119 R)
• M7: 5,128,514 km (0.116 R)
• M8: 5,919,289 km (0.093 R)
• M9: 6,411,466 km (0.1 R)
• M10: 7,897,571 km (0.119 R)
• M11: 9,165,114 km (0.112 R)
• M12: 10,802,013 km (0.111 R)
• M13: 11,996,552 km (0.096 R)
• M14: 13,112,104 km (0.087 R)
• M15: 14,007,597 km (0.089 R)
• M16: 14,411,960 km (0.12 R)
• M17: 15,672,172 km (0.084 R)
• M18: 17,731,836 km (0.054 R)
• M19: 18,756,880 km (0.073 R)
• M20: 19,676,907 km (0.066 R)
• M21: 21,226,292 km (0.116 R)
• M22: 26,361,239 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 14.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.91 AU - 5.79 AU

Year: 7990 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,689,299 km

• M1: 183,706 km (0.106 R)
• M2: 860,487 km (0.084 R)
• M3: 1,382,733 km (0.102 R)
• M4: 1,968,259 km (0.097 R)
• M5: 2,617,065 km (0.083 R)
• M6: 3,229,070 km (0.075 R)
• M7: 4,643,967 km (0.112 R)
• M8: 5,108,618 km (0.113 R)
• M9: 5,923,328 km (0.116 R)
• M10: 9,453,538 km (0.099 R)
• M11: 10,290,838 km (0.112 R)
• M12: 10,995,743 km (0.057 R)
• M13: 12,306,968 km (0.034 R)
• M14: 13,877,746 km (0.03 R)
• M15: 14,629,475 km (0.115 R)
• M16: 15,692,966 km (0.109 R)
• M17: 18,036,866 km (0.043 R)
• M18: 18,609,377 km (0.108 R)
• M19: 19,128,332 km (0.113 R)
• M20: 22,013,775 km (0.083 R)
• M21: 23,335,024 km (0.101 R)
• M22: 26,135,346 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.3

Radius: 5.3

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 9.15 AU - 13.17 AU

Year: 24072 Days

Day: 18.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,689,299 km

• M1: 65,973 km (0.061 R)
• M2: 244,892 km (0.086 R)
• M3: 827,725 km (0.095 R)
• M4: 1,028,336 km (0.083 R)
• M5: 1,376,300 km (0.101 R)
• M6: 2,200,884 km (0.085 R)
• M7: 2,455,948 km (0.069 R)
• M8: 2,660,000 km (0.113 R)
• M9: 3,102,510 km (0.098 R)
• M10: 3,766,874 km (0.112 R)
• M11: 4,070,109 km (0.099 R)
• M12: 4,422,263 km (0.063 R)
• M13: 4,899,629 km (0.048 R)
• M14: 6,931,617 km (0.106 R)
• M15: 7,248,316 km (0.109 R)
• M16: 10,489,952 km (0.089 R)
• M17: 14,657,899 km (0.042 R)
• M18: 15,714,209 km (0.039 R)
• M19: 19,010,299 km (0.109 R)
• M20: 19,274,638 km (0.091 R)
• M21: 20,356,530 km (0.109 R)
• M22: 21,669,252 km (0.052 R)
• M23: 24,774,903 km (0.095 R)
• M24: 29,910,748 km (0.073 R)
• M25: 34,785,544 km (0.119 R)
• M26: 42,222,503 km (0.089 R)
• M27: 44,659,901 km (0.047 R)
• M28: 51,160,527 km (0.038 R)
• M29: 54,280,839 km (0.091 R)
• M30: 55,348,519 km (0.116 R)
• M31: 55,527,738 km (0.108 R)
• M32: 56,248,799 km (0.074 R)
• M33: 56,430,112 km (0.1 R)
• M34: 56,611,724 km (0.077 R)
• M35: 58,821,733 km (0.082 R)
• M36: 69,689,270 km (0.108 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: 489 - 12,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit