🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.62 AU - 1.02 AU

Year: 339 Days

Day: 33.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,751,150 km

• M1: 53,406 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.61 AU - 2.49 AU

Year: 1340 Days

Day: 18.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758

Radius: 10.6

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.69 AU - 4.47 AU

Year: 3093 Days

Day: 13.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,751,150 km

• M1: 143,315 km (0.042 R)
• M2: 621,430 km (0.098 R)
• M3: 964,158 km (0.08 R)
• M4: 1,330,075 km (0.119 R)
• M5: 2,283,312 km (0.075 R)
• M6: 2,751,404 km (0.112 R)
• M7: 3,264,824 km (0.114 R)
• M8: 4,621,527 km (0.096 R)
• M9: 5,400,782 km (0.068 R)
• M10: 6,013,236 km (0.119 R)
• M11: 7,830,401 km (0.117 R)
• M12: 9,155,390 km (0.086 R)
• M13: 9,490,040 km (0.102 R)
• M14: 11,287,758 km (0.117 R)
• M15: 12,155,575 km (0.109 R)
• M16: 14,369,474 km (0.083 R)
• M17: 16,346,260 km (0.086 R)
• M18: 17,684,413 km (0.103 R)
• M19: 20,262,433 km (0.076 R)
• M20: 22,069,875 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.2

Radius: 9.5

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.69 AU - 4.15 AU

Year: 3543 Days

Day: 10.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,751,150 km

• M1: 118,631 km (0.029 R)
• M2: 461,509 km (0.052 R)
• M3: 1,761,365 km (0.071 R)
• M4: 2,163,784 km (0.073 R)
• M5: 2,778,631 km (0.092 R)
• M6: 3,118,368 km (0.105 R)
• M7: 4,102,422 km (0.119 R)
• M8: 4,715,624 km (0.098 R)
• M9: 5,776,871 km (0.052 R)
• M10: 6,547,450 km (0.108 R)
• M11: 6,861,606 km (0.066 R)
• M12: 7,318,178 km (0.084 R)
• M13: 8,698,069 km (0.055 R)
• M14: 9,350,914 km (0.068 R)
• M15: 10,077,361 km (0.048 R)
• M16: 10,711,058 km (0.09 R)
• M17: 11,281,624 km (0.048 R)
• M18: 13,413,992 km (0.083 R)
• M19: 13,922,027 km (0.078 R)
• M20: 14,442,926 km (0.083 R)
• M21: 15,468,270 km (0.109 R)
• M22: 16,140,413 km (0.12 R)
• M23: 16,483,741 km (0.086 R)
• M24: 18,089,524 km (0.106 R)
• M25: 19,152,417 km (0.078 R)
• M26: 19,666,884 km (0.076 R)
• M27: 20,925,601 km (0.086 R)
• M28: 23,383,494 km (0.079 R)
• M29: 26,184,714 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 11.4

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.61 AU - 9.51 AU

Year: 10447 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,751,150 km

• M1: 141,819 km (0.101 R)
• M2: 496,665 km (0.072 R)
• M3: 965,654 km (0.117 R)
• M4: 2,262,967 km (0.082 R)
• M5: 3,682,501 km (0.108 R)
• M6: 5,036,512 km (0.11 R)
• M7: 5,937,091 km (0.117 R)
• M8: 7,012,849 km (0.044 R)
• M9: 9,287,036 km (0.111 R)
• M10: 9,723,862 km (0.093 R)
• M11: 10,266,154 km (0.098 R)
• M12: 11,214,754 km (0.098 R)
• M13: 12,220,800 km (0.119 R)
• M14: 13,897,642 km (0.068 R)
• M15: 14,296,620 km (0.088 R)
• M16: 15,723,035 km (0.04 R)
• M17: 16,853,397 km (0.108 R)
• M18: 17,242,052 km (0.064 R)
• M19: 17,636,691 km (0.096 R)
• M20: 18,649,619 km (0.103 R)
• M21: 20,570,156 km (0.118 R)
• M22: 24,884,110 km (0.07 R)
• M23: 25,558,198 km (0.1 R)
• M24: 26,417,638 km (0.109 R)
• M25: 28,103,905 km (0.086 R)
• M26: 29,766,386 km (0.027 R)
• M27: 30,334,858 km (0.084 R)
• M28: 34,831,919 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.7

Radius: 7.3

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.57 AU - 11.27 AU

Year: 14265 Days

Day: 24.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,751,150 km

• M1: 90,806 km (0.12 R)
• M2: 864,376 km (0.099 R)
• M3: 2,520,126 km (0.056 R)
• M4: 5,050,125 km (0.096 R)
• M5: 6,240,176 km (0.111 R)
• M6: 7,046,658 km (0.081 R)
• M7: 8,011,864 km (0.029 R)
• M8: 9,724,759 km (0.11 R)
• M9: 10,255,981 km (0.109 R)
• M10: 15,579,421 km (0.102 R)
• M11: 21,682,865 km (0.045 R)
• M12: 22,496,977 km (0.062 R)
• M13: 34,642,229 km (0.113 R)
• M14: 40,034,634 km (0.093 R)
• M15: 43,353,912 km (0.115 R)
• M16: 53,910,285 km (0.077 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 16,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit