🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.47 AU - 0.63 AU

Year: 268 Days

Day: 18.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,712,716 km

• M1: 91,703 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.6

Radius: 10.6

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.74 AU - 1.14 AU

Year: 598 Days

Day: 6.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,712,716 km

• M1: 131,796 km (0.072 R)
• M2: 521,947 km (0.111 R)
• M3: 958,474 km (0.119 R)
• M4: 1,448,706 km (0.113 R)
• M5: 2,013,737 km (0.118 R)
• M6: 2,384,141 km (0.099 R)
• M7: 3,480,544 km (0.078 R)
• M8: 5,108,917 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.1

Radius: 9.8

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.62 AU - 1.76 AU

Year: 1441 Days

Day: 5.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,712,716 km

• M1: 121,922 km (0.104 R)
• M2: 507,735 km (0.066 R)
• M3: 879,785 km (0.061 R)
• M4: 1,299,407 km (0.115 R)
• M5: 2,192,656 km (0.099 R)
• M6: 2,551,691 km (0.089 R)
• M7: 3,063,166 km (0.086 R)
• M8: 3,529,911 km (0.105 R)
• M9: 4,113,493 km (0.097 R)
• M10: 4,419,420 km (0.112 R)
• M11: 4,838,145 km (0.11 R)
• M12: 6,070,233 km (0.046 R)
• M13: 7,034,541 km (0.089 R)
• M14: 8,153,383 km (0.094 R)
• M15: 8,638,679 km (0.057 R)
• M16: 10,341,551 km (0.072 R)
• M17: 12,629,651 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 14.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.67 AU - 1.87 AU

Year: 1545 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,712,716 km

• M1: 181,761 km (0.106 R)
• M2: 1,243,009 km (0.093 R)
• M3: 2,112,023 km (0.106 R)
• M4: 2,644,591 km (0.111 R)
• M5: 3,176,860 km (0.086 R)
• M6: 4,441,561 km (0.093 R)
• M7: 5,178,929 km (0.096 R)
• M8: 5,973,443 km (0.046 R)
• M9: 6,671,616 km (0.065 R)
• M10: 7,779,089 km (0.086 R)
• M11: 8,553,557 km (0.119 R)
• M12: 9,222,110 km (0.054 R)
• M13: 11,548,357 km (0.075 R)
• M14: 12,139,269 km (0.118 R)
• M15: 13,502,853 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.2

Radius: 8

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.74 AU - 5.48 AU

Year: 7578 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,712,716 km

• M1: 100,081 km (0.052 R)
• M2: 388,057 km (0.055 R)
• M3: 1,245,851 km (0.084 R)
• M4: 1,570,030 km (0.109 R)
• M5: 2,138,202 km (0.066 R)
• M6: 3,058,977 km (0.084 R)
• M7: 3,585,263 km (0.109 R)
• M8: 4,222,101 km (0.088 R)
• M9: 5,018,859 km (0.051 R)
• M10: 5,655,847 km (0.091 R)
• M11: 10,181,332 km (0.092 R)
• M12: 10,755,489 km (0.075 R)
• M13: 12,285,276 km (0.095 R)
• M14: 12,826,073 km (0.076 R)
• M15: 15,770,608 km (0.08 R)
• M16: 18,081,446 km (0.085 R)
• M17: 20,159,809 km (0.035 R)
• M18: 20,458,406 km (0.109 R)
• M19: 21,064,577 km (0.088 R)
• M20: 21,760,805 km (0.045 R)
• M21: 23,362,849 km (0.107 R)
• M22: 25,300,441 km (0.04 R)
• M23: 25,910,800 km (0.082 R)
• M24: 26,979,976 km (0.111 R)
• M25: 27,893,121 km (0.111 R)
• M26: 30,559,554 km (0.118 R)
• M27: 31,053,077 km (0.091 R)
• M28: 33,183,500 km (0.103 R)
• M29: 33,809,717 km (0.11 R)
• M30: 35,844,697 km (0.076 R)
• M31: 36,836,531 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.7

Radius: 8.5

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.01 AU - 5.61 AU

Year: 8027 Days

Day: 5.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,712,716 km

• M1: 105,766 km (0.095 R)
• M2: 390,600 km (0.086 R)
• M3: 775,815 km (0.093 R)
• M4: 1,305,541 km (0.088 R)
• M5: 1,658,741 km (0.088 R)
• M6: 2,185,625 km (0.068 R)
• M7: 2,936,756 km (0.027 R)
• M8: 3,222,338 km (0.108 R)
• M9: 3,685,792 km (0.047 R)
• M10: 4,193,079 km (0.073 R)
• M11: 5,287,686 km (0.12 R)
• M12: 5,650,461 km (0.092 R)
• M13: 6,630,776 km (0.057 R)
• M14: 7,307,706 km (0.029 R)
• M15: 8,307,619 km (0.109 R)
• M16: 8,882,523 km (0.027 R)
• M17: 10,529,895 km (0.094 R)
• M18: 11,701,545 km (0.077 R)
• M19: 12,582,527 km (0.07 R)
• M20: 13,618,642 km (0.032 R)
• M21: 14,769,798 km (0.068 R)
• M22: 17,264,342 km (0.077 R)
• M23: 17,794,966 km (0.116 R)
• M24: 24,536,744 km (0.077 R)
• M25: 27,832,385 km (0.047 R)
• M26: 29,585,971 km (0.099 R)
• M27: 30,154,742 km (0.087 R)
• M28: 33,927,451 km (0.104 R)
• M29: 35,287,146 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 12,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit