🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.5 AU - 0.52 AU

Year: 235 Days

Day: 28.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,289,380 km

• M1: 94,995 km (0.089 R)

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.4

Radius: 11.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.05 AU - 1.53 AU

Year: 946 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 104.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,289,380 km

• M1: 152,291 km (0.067 R)
• M2: 1,033,572 km (0.109 R)
• M3: 1,437,187 km (0.116 R)
• M4: 2,516,236 km (0.099 R)
• M5: 2,903,096 km (0.072 R)
• M6: 3,415,918 km (0.101 R)
• M7: 3,810,407 km (0.109 R)
• M8: 4,197,716 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.6

Radius: 8.5

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.24 AU - 1.84 AU

Year: 1234 Days

Day: 14.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,289,380 km

• M1: 106,065 km (0.116 R)
• M2: 505,641 km (0.116 R)
• M3: 854,653 km (0.072 R)
• M4: 1,331,870 km (0.102 R)
• M5: 1,688,212 km (0.114 R)
• M6: 1,988,604 km (0.097 R)
• M7: 2,289,446 km (0.093 R)
• M8: 2,738,239 km (0.068 R)
• M9: 3,098,022 km (0.11 R)
• M10: 3,411,430 km (0.088 R)
• M11: 3,862,318 km (0.084 R)
• M12: 4,575,002 km (0.12 R)
• M13: 4,962,909 km (0.112 R)
• M14: 6,520,074 km (0.064 R)
• M15: 7,742,139 km (0.116 R)
• M16: 8,871,752 km (0.077 R)
• M17: 9,140,280 km (0.097 R)
• M18: 9,693,942 km (0.113 R)
• M19: 11,245,122 km (0.115 R)
• M20: 12,502,941 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.3

Radius: 10.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.75 AU - 2.21 AU

Year: 1799 Days

Day: 14.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,289,380 km

• M1: 125,662 km (0.089 R)
• M2: 500,405 km (0.111 R)
• M3: 818,899 km (0.081 R)
• M4: 1,170,304 km (0.116 R)
• M5: 1,485,357 km (0.051 R)
• M6: 2,222,875 km (0.087 R)
• M7: 2,557,824 km (0.101 R)
• M8: 2,890,680 km (0.091 R)
• M9: 4,206,393 km (0.111 R)
• M10: 5,826,089 km (0.082 R)
• M11: 6,283,709 km (0.029 R)
• M12: 6,658,601 km (0.076 R)
• M13: 7,778,790 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.2

Radius: 6.6

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.01 AU - 8.13 AU

Year: 10873 Days

Day: 19.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,289,380 km

• M1: 82,129 km (0.1 R)
• M2: 298,298 km (0.039 R)
• M3: 687,552 km (0.108 R)
• M4: 1,052,122 km (0.091 R)
• M5: 2,255,337 km (0.091 R)
• M6: 2,768,159 km (0.1 R)
• M7: 3,332,741 km (0.085 R)
• M8: 3,791,857 km (0.089 R)
• M9: 4,129,799 km (0.065 R)
• M10: 4,459,213 km (0.084 R)
• M11: 4,747,189 km (0.097 R)
• M12: 5,955,940 km (0.091 R)
• M13: 8,521,693 km (0.078 R)
• M14: 9,803,896 km (0.104 R)
• M15: 12,237,255 km (0.102 R)
• M16: 12,802,586 km (0.033 R)
• M17: 13,863,683 km (0.098 R)
• M18: 14,982,227 km (0.114 R)
• M19: 18,112,263 km (0.103 R)
• M20: 21,489,585 km (0.12 R)
• M21: 23,326,048 km (0.094 R)
• M22: 24,814,846 km (0.094 R)
• M23: 28,861,319 km (0.113 R)
• M24: 29,559,193 km (0.095 R)
• M25: 31,931,516 km (0.096 R)
• M26: 33,654,584 km (0.114 R)
• M27: 33,984,447 km (0.083 R)
• M28: 34,427,706 km (0.109 R)
• M29: 37,993,820 km (0.079 R)
• M30: 40,793,544 km (0.091 R)
• M31: 41,925,402 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.4

Radius: 6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.41 AU - 8.05 AU

Year: 11273 Days

Day: 22.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,289,380 km

• M1: 74,649 km (0.118 R)
• M2: 261,796 km (0.087 R)
• M3: 766,689 km (0.075 R)
• M4: 1,019,958 km (0.116 R)
• M5: 2,989,115 km (0.097 R)
• M6: 3,800,833 km (0.071 R)
• M7: 5,582,245 km (0.067 R)
• M8: 9,549,879 km (0.072 R)
• M9: 10,459,285 km (0.078 R)
• M10: 16,063,969 km (0.117 R)
• M11: 20,183,296 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301

Radius: 7.1

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.11 AU - 11.79 AU

Year: 21812 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,289,380 km

• M1: 88,412 km (0.075 R)
• M2: 378,483 km (0.071 R)
• M3: 1,079,349 km (0.05 R)
• M4: 1,740,721 km (0.116 R)
• M5: 2,579,666 km (0.1 R)
• M6: 3,718,704 km (0.045 R)
• M7: 7,830,551 km (0.104 R)
• M8: 9,778,914 km (0.057 R)
• M9: 12,215,564 km (0.034 R)
• M10: 14,603,744 km (0.066 R)
• M11: 15,029,948 km (0.07 R)
• M12: 15,611,136 km (0.103 R)
• M13: 16,587,262 km (0.084 R)
• M14: 17,683,366 km (0.054 R)
• M15: 18,495,383 km (0.069 R)
• M16: 25,090,106 km (0.098 R)
• M17: 32,372,680 km (0.082 R)
• M18: 32,733,660 km (0.071 R)
• M19: 33,832,606 km (0.109 R)
• M20: 45,753,013 km (0.032 R)
• M21: 57,690,324 km (0.065 R)
• M22: 59,291,919 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 11,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit