🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.67 AU - 0.91 AU

Year: 311 Days

Day: 37.4 Hours

Environment

Temp: -32 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.38 AU - 1.6 AU

Year: 806 Days

Day: 41.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,851,115 km

• M1: 39,943 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.9

Radius: 12.5

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.91 AU - 3.47 AU

Year: 2524 Days

Day: 14.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,851,115 km

• M1: 155,432 km (0.105 R)
• M2: 583,132 km (0.111 R)
• M3: 999,164 km (0.081 R)
• M4: 1,438,683 km (0.09 R)
• M5: 1,909,617 km (0.116 R)
• M6: 2,536,432 km (0.057 R)
• M7: 3,233,708 km (0.1 R)
• M8: 3,891,340 km (0.099 R)
• M9: 4,697,523 km (0.066 R)
• M10: 6,825,403 km (0.108 R)
• M11: 7,229,766 km (0.097 R)
• M12: 7,707,581 km (0.09 R)
• M13: 8,417,872 km (0.074 R)
• M14: 10,705,224 km (0.116 R)
• M15: 12,011,662 km (0.108 R)
• M16: 13,716,479 km (0.073 R)
• M17: 15,485,175 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.5

Radius: 12.3

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.93 AU - 5.37 AU

Year: 5177 Days

Day: 5 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,851,115 km

• M1: 186,698 km (0.108 R)
• M2: 695,331 km (0.098 R)
• M3: 1,239,568 km (0.114 R)
• M4: 2,636,812 km (0.11 R)
• M5: 3,077,228 km (0.092 R)
• M6: 3,748,175 km (0.075 R)
• M7: 4,491,377 km (0.084 R)
• M8: 5,489,045 km (0.055 R)
• M9: 6,629,130 km (0.1 R)
• M10: 7,549,905 km (0.062 R)
• M11: 8,446,296 km (0.088 R)
• M12: 8,920,371 km (0.11 R)
• M13: 9,489,591 km (0.104 R)
• M14: 10,123,288 km (0.111 R)
• M15: 10,533,485 km (0.055 R)
• M16: 11,697,058 km (0.034 R)
• M17: 15,866,350 km (0.113 R)
• M18: 16,308,861 km (0.08 R)
• M19: 20,216,955 km (0.092 R)
• M20: 24,196,259 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.7

Radius: 6.4

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 10.36 AU - 12.58 AU

Year: 17206 Days

Day: 23 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,851,115 km

• M1: 79,586 km (0.099 R)
• M2: 432,338 km (0.114 R)
• M3: 689,048 km (0.096 R)
• M4: 991,086 km (0.119 R)
• M5: 1,296,714 km (0.076 R)
• M6: 1,524,402 km (0.062 R)
• M7: 1,762,113 km (0.117 R)
• M8: 2,740,035 km (0.059 R)
• M9: 3,093,834 km (0.093 R)
• M10: 3,346,205 km (0.063 R)
• M11: 3,639,866 km (0.117 R)
• M12: 4,309,466 km (0.097 R)
• M13: 5,373,556 km (0.033 R)
• M14: 7,961,898 km (0.052 R)
• M15: 10,033,080 km (0.075 R)
• M16: 13,740,564 km (0.039 R)
• M17: 14,079,852 km (0.113 R)
• M18: 14,564,250 km (0.063 R)
• M19: 17,075,999 km (0.033 R)
• M20: 19,948,726 km (0.105 R)
• M21: 22,373,708 km (0.073 R)
• M22: 23,032,986 km (0.091 R)
• M23: 37,092,642 km (0.084 R)
• M24: 40,183,035 km (0.102 R)
• M25: 40,598,319 km (0.076 R)
• M26: 42,431,342 km (0.067 R)
• M27: 43,732,095 km (0.084 R)
• M28: 47,330,522 km (0.114 R)
• M29: 50,798,201 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.8

Radius: 7.6

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 10.63 AU - 13.79 AU

Year: 18898 Days

Day: 15 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,851,115 km

• M1: 94,546 km (0.108 R)
• M2: 2,388,629 km (0.114 R)
• M3: 4,959,768 km (0.067 R)
• M4: 6,539,073 km (0.114 R)
• M5: 9,298,555 km (0.11 R)
• M6: 9,640,236 km (0.113 R)
• M7: 12,338,384 km (0.089 R)
• M8: 13,101,931 km (0.094 R)
• M9: 16,145,500 km (0.112 R)
• M10: 21,056,648 km (0.084 R)
• M11: 26,085,082 km (0.039 R)
• M12: 31,859,559 km (0.072 R)
• M13: 40,506,017 km (0.113 R)
• M14: 42,032,813 km (0.101 R)
• M15: 42,810,423 km (0.103 R)
• M16: 46,346,019 km (0.08 R)
• M17: 47,510,489 km (0.1 R)
• M18: 54,174,775 km (0.109 R)
• M19: 54,725,893 km (0.085 R)
• M20: 56,401,988 km (0.098 R)
• M21: 59,856,352 km (0.092 R)
• M22: 73,502,670 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 16,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit