🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.65 AU - 0.67 AU

Year: 346 Days

Day: 34.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,142,841 km

• M1: 142,268 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.9

Radius: 10.8

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.55 AU - 0.87 AU

Year: 386 Days

Day: 8.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,142,841 km

• M1: 134,339 km (0.081 R)
• M2: 672,293 km (0.117 R)
• M3: 1,081,593 km (0.073 R)
• M4: 1,687,464 km (0.104 R)
• M5: 2,188,467 km (0.088 R)
• M6: 2,818,125 km (0.095 R)
• M7: 3,443,893 km (0.119 R)
• M8: 5,003,450 km (0.118 R)

Asteroid Belt

Center: 0.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.2

Radius: 13.2

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.09 AU - 1.41 AU

Year: 902 Days

Day: 6 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,142,841 km

• M1: 164,109 km (0.116 R)
• M2: 587,620 km (0.058 R)
• M3: 1,018,612 km (0.086 R)
• M4: 1,750,295 km (0.106 R)
• M5: 2,241,574 km (0.098 R)
• M6: 2,874,822 km (0.047 R)
• M7: 3,625,355 km (0.111 R)
• M8: 4,250,375 km (0.1 R)
• M9: 4,694,531 km (0.052 R)
• M10: 5,283,946 km (0.094 R)
• M11: 5,697,285 km (0.073 R)
• M12: 7,210,917 km (0.034 R)
• M13: 7,921,506 km (0.102 R)
• M14: 8,544,582 km (0.046 R)
• M15: 9,116,494 km (0.061 R)
• M16: 9,569,177 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134

Radius: 14.5

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.19 AU - 1.33 AU

Year: 913 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,142,841 km

• M1: 181,013 km (0.027 R)
• M2: 664,963 km (0.067 R)
• M3: 1,155,045 km (0.091 R)
• M4: 1,673,551 km (0.085 R)
• M5: 2,127,132 km (0.083 R)
• M6: 2,674,062 km (0.116 R)
• M7: 3,148,287 km (0.087 R)
• M8: 3,703,445 km (0.115 R)
• M9: 4,310,214 km (0.046 R)
• M10: 4,848,766 km (0.101 R)
• M11: 5,321,495 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730

Radius: 14.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.29 AU - 1.87 AU

Year: 1282 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,142,841 km

• M1: 187,745 km (0.045 R)
• M2: 654,640 km (0.102 R)
• M3: 1,379,143 km (0.115 R)
• M4: 1,950,008 km (0.075 R)
• M5: 3,150,980 km (0.117 R)
• M6: 4,612,252 km (0.113 R)
• M7: 5,828,333 km (0.04 R)
• M8: 6,849,339 km (0.081 R)
• M9: 7,428,881 km (0.099 R)
• M10: 7,959,355 km (0.115 R)
• M11: 8,860,831 km (0.107 R)
• M12: 11,036,583 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.3

Radius: 10.7

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.97 AU - 2.13 AU

Year: 1895 Days

Day: 5.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,142,841 km

• M1: 134,339 km (0.088 R)
• M2: 529,128 km (0.045 R)
• M3: 940,372 km (0.065 R)
• M4: 1,290,880 km (0.061 R)
• M5: 1,702,723 km (0.097 R)
• M6: 2,114,267 km (0.061 R)
• M7: 2,554,832 km (0.112 R)
• M8: 2,918,206 km (0.091 R)
• M9: 3,316,136 km (0.078 R)
• M10: 3,766,575 km (0.086 R)
• M11: 4,204,897 km (0.102 R)
• M12: 4,583,529 km (0.113 R)
• M13: 5,144,072 km (0.077 R)
• M14: 5,837,010 km (0.104 R)
• M15: 6,309,589 km (0.053 R)
• M16: 7,616,776 km (0.093 R)
• M17: 8,209,482 km (0.118 R)
• M18: 9,888,868 km (0.11 R)
• M19: 10,959,839 km (0.091 R)
• M20: 11,786,218 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 13.4

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.27 AU - 4.25 AU

Year: 4708 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,142,841 km

• M1: 166,652 km (0.115 R)
• M2: 767,287 km (0.11 R)
• M3: 1,349,522 km (0.12 R)
• M4: 1,799,962 km (0.1 R)
• M5: 2,236,189 km (0.075 R)
• M6: 2,947,228 km (0.111 R)
• M7: 3,973,619 km (0.097 R)
• M8: 5,651,808 km (0.104 R)
• M9: 6,246,160 km (0.087 R)
• M10: 8,939,071 km (0.083 R)
• M11: 9,472,986 km (0.054 R)
• M12: 10,688,917 km (0.109 R)
• M13: 11,824,664 km (0.087 R)
• M14: 12,704,450 km (0.099 R)
• M15: 16,326,364 km (0.046 R)
• M16: 17,476,173 km (0.097 R)
• M17: 18,312,575 km (0.107 R)
• M18: 19,113,073 km (0.065 R)
• M19: 21,384,268 km (0.052 R)
• M20: 22,341,395 km (0.089 R)
• M21: 23,541,619 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.7

Radius: 6.5

Gravity: 21.41 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.94 AU - 11.36 AU

Year: 22441 Days

Day: 24.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 90,142,841 km

• M1: 81,232 km (0.113 R)
• M2: 463,753 km (0.09 R)
• M3: 790,625 km (0.097 R)
• M4: 1,176,587 km (0.12 R)
• M5: 1,775,876 km (0.044 R)
• M6: 2,015,831 km (0.114 R)
• M7: 2,300,217 km (0.097 R)
• M8: 3,172,522 km (0.108 R)
• M9: 3,779,141 km (0.068 R)
• M10: 4,460,261 km (0.078 R)
• M11: 5,758,770 km (0.109 R)
• M12: 6,333,525 km (0.108 R)
• M13: 6,897,359 km (0.113 R)
• M14: 7,291,400 km (0.113 R)
• M15: 7,805,119 km (0.096 R)
• M16: 11,748,818 km (0.089 R)
• M17: 13,949,553 km (0.092 R)
• M18: 16,238,550 km (0.103 R)
• M19: 18,019,064 km (0.116 R)
• M20: 20,826,268 km (0.085 R)
• M21: 25,273,513 km (0.115 R)
• M22: 27,046,996 km (0.104 R)
• M23: 30,054,661 km (0.103 R)
• M24: 33,836,495 km (0.089 R)
• M25: 34,401,526 km (0.107 R)
• M26: 38,840,694 km (0.03 R)
• M27: 41,518,346 km (0.062 R)
• M28: 43,480,771 km (0.111 R)
• M29: 47,413,699 km (0.104 R)
• M30: 48,477,190 km (0.07 R)
• M31: 54,419,816 km (0.087 R)
• M32: 56,174,748 km (0.085 R)
• M33: 59,386,914 km (0.094 R)
• M34: 59,591,713 km (0.065 R)
• M35: 71,360,727 km (0.082 R)
• M36: 76,084,879 km (0.087 R)
• M37: 79,761,994 km (0.075 R)
• M38: 81,517,675 km (0.109 R)
• M39: 84,587,274 km (0.114 R)
• M40: 88,531,421 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 19,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit