🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 11.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.7 AU - 1.12 AU

Year: 610 Days

Day: 10.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,008,310 km

• M1: 140,472 km (0.108 R)
• M2: 639,830 km (0.067 R)
• M3: 1,027,438 km (0.113 R)
• M4: 1,415,944 km (0.091 R)
• M5: 2,023,012 km (0.032 R)
• M6: 2,432,461 km (0.096 R)
• M7: 3,175,514 km (0.097 R)
• M8: 4,946,454 km (0.09 R)
• M9: 5,989,300 km (0.117 R)
• M10: 6,582,606 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.5

Radius: 12.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.16 AU - 1.68 AU

Year: 1189 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,008,310 km

• M1: 159,771 km (0.112 R)
• M2: 569,519 km (0.1 R)
• M3: 1,047,634 km (0.081 R)
• M4: 1,635,554 km (0.117 R)
• M5: 2,505,016 km (0.062 R)
• M6: 2,948,724 km (0.089 R)
• M7: 4,044,378 km (0.113 R)
• M8: 4,999,561 km (0.111 R)
• M9: 7,892,933 km (0.034 R)
• M10: 8,378,378 km (0.09 R)
• M11: 9,494,378 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.2

Radius: 10.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.74 AU - 3.42 AU

Year: 3800 Days

Day: 9.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,008,310 km

• M1: 134,339 km (0.118 R)
• M2: 484,996 km (0.07 R)
• M3: 1,269,188 km (0.097 R)
• M4: 1,635,254 km (0.082 R)
• M5: 2,135,809 km (0.092 R)
• M6: 2,529,700 km (0.117 R)
• M7: 3,136,319 km (0.103 R)
• M8: 3,519,888 km (0.097 R)
• M9: 4,319,339 km (0.089 R)
• M10: 5,379,988 km (0.081 R)
• M11: 7,300,077 km (0.075 R)
• M12: 8,563,730 km (0.07 R)
• M13: 8,901,373 km (0.079 R)
• M14: 10,116,406 km (0.099 R)
• M15: 10,493,991 km (0.104 R)
• M16: 10,920,196 km (0.118 R)
• M17: 11,931,926 km (0.118 R)
• M18: 12,268,671 km (0.109 R)
• M19: 13,497,318 km (0.097 R)
• M20: 14,001,762 km (0.026 R)
• M21: 14,709,959 km (0.097 R)
• M22: 15,441,941 km (0.073 R)
• M23: 16,820,336 km (0.078 R)
• M24: 17,783,746 km (0.108 R)
• M25: 18,502,115 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.6

Radius: 8.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.17 AU - 3.27 AU

Year: 4062 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,008,310 km

• M1: 101,278 km (0.108 R)
• M2: 584,778 km (0.096 R)
• M3: 1,029,682 km (0.116 R)
• M4: 1,324,988 km (0.05 R)
• M5: 2,341,655 km (0.109 R)
• M6: 2,727,468 km (0.081 R)
• M7: 3,751,915 km (0.044 R)
• M8: 4,421,814 km (0.066 R)
• M9: 4,690,043 km (0.074 R)
• M10: 5,146,466 km (0.081 R)
• M11: 5,467,054 km (0.119 R)
• M12: 7,916,420 km (0.119 R)
• M13: 8,282,337 km (0.118 R)
• M14: 9,414,044 km (0.052 R)
• M15: 12,261,490 km (0.104 R)
• M16: 12,586,866 km (0.088 R)
• M17: 13,043,588 km (0.097 R)
• M18: 14,078,506 km (0.063 R)
• M19: 14,570,833 km (0.078 R)
• M20: 14,889,925 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.2

Radius: 5.8

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.54 AU - 10.88 AU

Year: 19647 Days

Day: 19.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,008,310 km

• M1: 73,901 km (0.114 R)
• M2: 986,299 km (0.098 R)
• M3: 1,402,031 km (0.081 R)
• M4: 2,206,569 km (0.072 R)
• M5: 2,469,711 km (0.105 R)
• M6: 5,074,061 km (0.096 R)
• M7: 5,906,124 km (0.05 R)
• M8: 6,742,077 km (0.076 R)
• M9: 9,615,104 km (0.045 R)
• M10: 10,882,348 km (0.063 R)
• M11: 11,171,819 km (0.101 R)
• M12: 11,766,471 km (0.107 R)
• M13: 12,761,147 km (0.067 R)
• M14: 17,069,566 km (0.064 R)
• M15: 20,019,636 km (0.053 R)
• M16: 20,367,002 km (0.059 R)
• M17: 23,292,688 km (0.07 R)
• M18: 25,459,014 km (0.116 R)
• M19: 27,116,409 km (0.06 R)
• M20: 27,434,903 km (0.045 R)
• M21: 37,929,493 km (0.101 R)
• M22: 38,328,022 km (0.116 R)
• M23: 41,617,080 km (0.031 R)
• M24: 53,765,475 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 19,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit