🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.7

Radius: 13.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.74 AU - 1.2 AU

Year: 627 Days

Day: 14 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,470,277 km

• M1: 166,951 km (0.093 R)
• M2: 614,548 km (0.067 R)
• M3: 1,120,189 km (0.029 R)
• M4: 1,674,449 km (0.086 R)
• M5: 2,121,747 km (0.092 R)
• M6: 2,564,556 km (0.103 R)
• M7: 3,154,122 km (0.111 R)
• M8: 3,736,207 km (0.11 R)
• M9: 4,163,608 km (0.097 R)
• M10: 4,966,051 km (0.113 R)
• M11: 5,502,658 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.2

Radius: 8.9

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.97 AU - 1.15 AU

Year: 716 Days

Day: 12 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,470,277 km

• M1: 110,702 km (0.115 R)
• M2: 391,198 km (0.093 R)
• M3: 679,324 km (0.03 R)
• M4: 1,028,186 km (0.101 R)
• M5: 1,314,367 km (0.085 R)
• M6: 2,131,171 km (0.102 R)
• M7: 2,673,912 km (0.111 R)
• M8: 3,537,541 km (0.079 R)
• M9: 4,220,156 km (0.118 R)
• M10: 5,023,197 km (0.118 R)
• M11: 5,944,421 km (0.06 R)
• M12: 7,198,201 km (0.096 R)
• M13: 7,684,394 km (0.107 R)
• M14: 7,996,305 km (0.119 R)
• M15: 8,291,761 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.3

Radius: 14.8

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.15 AU - 1.21 AU

Year: 841 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,470,277 km

• M1: 184,305 km (0.063 R)
• M2: 784,940 km (0.113 R)
• M3: 1,486,255 km (0.093 R)
• M4: 2,225,119 km (0.104 R)
• M5: 3,076,181 km (0.101 R)
• M6: 4,975,027 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.7

Radius: 9.6

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.15 AU - 1.63 AU

Year: 1075 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,470,277 km

• M1: 119,379 km (0.101 R)
• M2: 464,501 km (0.098 R)
• M3: 799,601 km (0.119 R)
• M4: 1,152,352 km (0.115 R)
• M5: 1,560,605 km (0.072 R)
• M6: 1,891,366 km (0.098 R)
• M7: 2,237,535 km (0.114 R)
• M8: 3,426,090 km (0.102 R)
• M9: 3,791,558 km (0.05 R)
• M10: 4,498,558 km (0.064 R)
• M11: 4,829,917 km (0.076 R)
• M12: 6,672,065 km (0.1 R)
• M13: 7,924,199 km (0.118 R)
• M14: 8,645,859 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728

Radius: 12.5

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.77 AU - 3.57 AU

Year: 3703 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,470,277 km

• M1: 155,432 km (0.111 R)
• M2: 627,264 km (0.11 R)
• M3: 1,895,704 km (0.107 R)
• M4: 3,232,660 km (0.088 R)
• M5: 4,463,851 km (0.096 R)
• M6: 4,896,039 km (0.098 R)
• M7: 6,423,284 km (0.098 R)
• M8: 6,913,067 km (0.091 R)
• M9: 9,433,791 km (0.05 R)
• M10: 9,866,728 km (0.045 R)
• M11: 10,520,321 km (0.088 R)
• M12: 11,599,221 km (0.101 R)
• M13: 12,050,856 km (0.056 R)
• M14: 14,128,621 km (0.086 R)
• M15: 16,604,915 km (0.091 R)
• M16: 17,121,327 km (0.086 R)
• M17: 18,005,899 km (0.05 R)
• M18: 18,920,540 km (0.08 R)
• M19: 19,674,514 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.6

Radius: 9.5

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.02 AU - 4.34 AU

Year: 4631 Days

Day: 8.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,470,277 km

• M1: 121,623 km (0.054 R)
• M2: 535,860 km (0.095 R)
• M3: 960,568 km (0.088 R)
• M4: 1,653,505 km (0.076 R)
• M5: 2,169,169 km (0.038 R)
• M6: 2,531,346 km (0.081 R)
• M7: 3,398,864 km (0.075 R)
• M8: 3,890,293 km (0.098 R)
• M9: 4,988,790 km (0.099 R)
• M10: 5,286,340 km (0.084 R)
• M11: 6,407,127 km (0.106 R)
• M12: 7,294,991 km (0.112 R)
• M13: 8,641,970 km (0.11 R)
• M14: 8,953,881 km (0.066 R)
• M15: 9,724,610 km (0.09 R)
• M16: 10,104,887 km (0.039 R)
• M17: 11,773,652 km (0.047 R)
• M18: 12,450,582 km (0.073 R)
• M19: 13,514,372 km (0.089 R)
• M20: 15,706,430 km (0.05 R)
• M21: 16,526,675 km (0.09 R)
• M22: 19,027,802 km (0.061 R)
• M23: 20,644,057 km (0.046 R)
• M24: 21,132,195 km (0.11 R)
• M25: 22,276,769 km (0.05 R)
• M26: 22,790,338 km (0.116 R)
• M27: 24,689,333 km (0.056 R)
• M28: 29,146,901 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.9

Radius: 9.2

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.62 AU - 5.28 AU

Year: 6158 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,470,277 km

• M1: 114,442 km (0.12 R)
• M2: 470,485 km (0.09 R)
• M3: 806,183 km (0.082 R)
• M4: 1,178,682 km (0.114 R)
• M5: 1,718,281 km (0.116 R)
• M6: 2,483,624 km (0.119 R)
• M7: 4,036,001 km (0.093 R)
• M8: 5,174,291 km (0.098 R)
• M9: 5,587,630 km (0.103 R)
• M10: 6,054,675 km (0.081 R)
• M11: 7,465,383 km (0.11 R)
• M12: 8,267,377 km (0.104 R)
• M13: 8,628,207 km (0.068 R)
• M14: 9,686,013 km (0.105 R)
• M15: 10,223,369 km (0.081 R)
• M16: 14,100,497 km (0.09 R)
• M17: 16,679,415 km (0.106 R)
• M18: 19,137,158 km (0.099 R)
• M19: 19,557,229 km (0.052 R)
• M20: 22,208,552 km (0.103 R)
• M21: 29,400,918 km (0.039 R)
• M22: 33,367,506 km (0.063 R)
• M23: 33,671,040 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.2

Radius: 14.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.03 AU - 5.75 AU

Year: 8209 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,470,277 km

• M1: 185,352 km (0.061 R)
• M2: 664,514 km (0.074 R)
• M3: 1,167,013 km (0.074 R)
• M4: 1,823,149 km (0.097 R)
• M5: 2,523,866 km (0.097 R)
• M6: 3,251,659 km (0.07 R)
• M7: 4,577,695 km (0.091 R)
• M8: 5,305,339 km (0.062 R)
• M9: 6,506,909 km (0.071 R)
• M10: 7,653,726 km (0.092 R)
• M11: 8,889,405 km (0.096 R)
• M12: 12,426,646 km (0.054 R)
• M13: 13,232,829 km (0.104 R)
• M14: 15,677,109 km (0.105 R)
• M15: 16,237,802 km (0.078 R)
• M16: 16,747,332 km (0.047 R)
• M17: 19,386,388 km (0.056 R)
• M18: 20,842,125 km (0.036 R)
• M19: 23,161,191 km (0.118 R)
• M20: 24,135,223 km (0.094 R)
• M21: 26,252,332 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494

Radius: 5.1

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.21 AU - 10.09 AU

Year: 19665 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 168.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,470,277 km

• M1: 64,477 km (0.077 R)
• M2: 382,971 km (0.111 R)
• M3: 972,087 km (0.036 R)
• M4: 1,793,978 km (0.102 R)
• M5: 4,154,931 km (0.09 R)
• M6: 13,079,791 km (0.102 R)
• M7: 13,489,240 km (0.108 R)
• M8: 14,334,019 km (0.049 R)
• M9: 16,128,296 km (0.042 R)
• M10: 16,918,322 km (0.076 R)
• M11: 18,746,408 km (0.055 R)
• M12: 19,267,009 km (0.067 R)
• M13: 38,885,124 km (0.08 R)
• M14: 47,743,562 km (0.079 R)
• M15: 48,065,347 km (0.1 R)
• M16: 48,713,255 km (0.058 R)
• M17: 53,067,451 km (0.066 R)
• M18: 61,965,233 km (0.119 R)
• M19: 63,312,212 km (0.088 R)
• M20: 66,064,664 km (0.109 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 13,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit