🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.1

Radius: 11.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.96 AU - 3.92 AU

Year: 4120 Days

Day: 12.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,456,844 km

• M1: 138,079 km (0.094 R)
• M2: 852,109 km (0.114 R)
• M3: 1,444,218 km (0.092 R)
• M4: 2,016,131 km (0.091 R)
• M5: 2,818,573 km (0.117 R)
• M6: 3,516,298 km (0.092 R)
• M7: 3,949,234 km (0.106 R)
• M8: 4,440,962 km (0.117 R)
• M9: 5,151,253 km (0.046 R)
• M10: 5,823,097 km (0.091 R)
• M11: 6,705,276 km (0.117 R)
• M12: 7,506,672 km (0.083 R)
• M13: 10,927,376 km (0.099 R)
• M14: 11,318,425 km (0.067 R)
• M15: 14,426,171 km (0.099 R)
• M16: 15,216,796 km (0.072 R)
• M17: 17,703,262 km (0.116 R)
• M18: 19,865,700 km (0.088 R)
• M19: 22,129,564 km (0.097 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.5

Radius: 5

Gravity: 31.42 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.08 AU - 6.86 AU

Year: 10626 Days

Day: 20 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,456,844 km

• M1: 62,682 km (0.099 R)
• M2: 473,328 km (0.086 R)
• M3: 907,161 km (0.084 R)
• M4: 1,171,202 km (0.112 R)
• M5: 1,631,814 km (0.104 R)
• M6: 2,338,065 km (0.088 R)
• M7: 4,240,052 km (0.116 R)
• M8: 4,691,539 km (0.106 R)
• M9: 5,725,559 km (0.073 R)
• M10: 6,742,675 km (0.089 R)
• M11: 7,065,807 km (0.088 R)
• M12: 8,602,626 km (0.112 R)
• M13: 8,886,712 km (0.085 R)
• M14: 12,200,006 km (0.046 R)
• M15: 12,438,465 km (0.054 R)
• M16: 14,064,294 km (0.102 R)
• M17: 14,260,567 km (0.067 R)
• M18: 16,397,423 km (0.113 R)
• M19: 17,504,148 km (0.065 R)
• M20: 17,731,237 km (0.102 R)
• M21: 18,346,683 km (0.106 R)
• M22: 20,529,017 km (0.095 R)
• M23: 20,951,182 km (0.084 R)
• M24: 27,793,489 km (0.103 R)
• M25: 30,550,578 km (0.104 R)
• M26: 30,769,888 km (0.118 R)
• M27: 33,717,714 km (0.063 R)
• M28: 39,125,827 km (0.042 R)
• M29: 42,989,641 km (0.057 R)
• M30: 48,278,374 km (0.082 R)
• M31: 50,540,444 km (0.077 R)

Asteroid Belt

Center: 6.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.4

Radius: 7.5

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.98 AU - 8 AU

Year: 11932 Days

Day: 17.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,456,844 km

• M1: 93,798 km (0.098 R)
• M2: 327,619 km (0.04 R)
• M3: 697,724 km (0.048 R)
• M4: 944,262 km (0.098 R)
• M5: 1,512,434 km (0.084 R)
• M6: 2,184,428 km (0.12 R)
• M7: 2,686,628 km (0.116 R)
• M8: 2,997,642 km (0.088 R)
• M9: 3,817,438 km (0.079 R)
• M10: 4,077,290 km (0.107 R)
• M11: 4,489,133 km (0.042 R)
• M12: 5,492,935 km (0.12 R)
• M13: 6,311,833 km (0.042 R)
• M14: 10,312,529 km (0.098 R)
• M15: 11,234,800 km (0.094 R)
• M16: 11,879,567 km (0.032 R)
• M17: 12,605,565 km (0.109 R)
• M18: 13,360,735 km (0.084 R)
• M19: 14,518,174 km (0.064 R)
• M20: 15,282,769 km (0.119 R)
• M21: 15,543,518 km (0.053 R)
• M22: 16,892,143 km (0.117 R)
• M23: 20,286,967 km (0.063 R)
• M24: 22,646,126 km (0.104 R)
• M25: 30,397,839 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.6

Radius: 3.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.74 AU - 9 AU

Year: 14255 Days

Day: 17.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,456,844 km

• M1: 44,730 km (0.046 R)
• M2: 476,170 km (0.109 R)
• M3: 1,295,966 km (0.109 R)
• M4: 3,230,117 km (0.086 R)
• M5: 12,235,460 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.5

Radius: 4.8

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.57 AU - 9.73 AU

Year: 15023 Days

Day: 19.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,456,844 km

• M1: 59,989 km (0.084 R)
• M2: 363,822 km (0.099 R)
• M3: 706,102 km (0.031 R)
• M4: 872,604 km (0.094 R)
• M5: 1,086,230 km (0.088 R)
• M6: 1,240,017 km (0.04 R)
• M7: 1,897,799 km (0.05 R)
• M8: 2,383,094 km (0.088 R)
• M9: 3,271,556 km (0.104 R)
• M10: 3,667,691 km (0.12 R)
• M11: 3,839,878 km (0.077 R)
• M12: 6,527,404 km (0.097 R)
• M13: 6,707,669 km (0.113 R)
• M14: 6,928,476 km (0.073 R)
• M15: 7,230,364 km (0.115 R)
• M16: 8,188,838 km (0.091 R)
• M17: 11,256,492 km (0.092 R)
• M18: 11,832,743 km (0.116 R)
• M19: 12,101,121 km (0.082 R)
• M20: 12,987,339 km (0.097 R)
• M21: 14,396,401 km (0.034 R)
• M22: 16,165,546 km (0.109 R)
• M23: 16,629,449 km (0.118 R)
• M24: 19,083,153 km (0.062 R)
• M25: 19,304,109 km (0.07 R)
• M26: 22,008,988 km (0.052 R)
• M27: 27,122,692 km (0.118 R)
• M28: 31,722,079 km (0.118 R)
• M29: 33,080,278 km (0.104 R)
• M30: 37,157,568 km (0.111 R)
• M31: 40,094,324 km (0.068 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 14,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit