🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.4

Radius: 11.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.5 AU - 0.64 AU

Year: 292 Days

Day: 12.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 77 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,705,783 km

• M1: 140,024 km (0.072 R)
• M2: 542,143 km (0.093 R)
• M3: 892,950 km (0.087 R)
• M4: 1,283,699 km (0.113 R)
• M5: 1,816,567 km (0.119 R)
• M6: 2,233,047 km (0.066 R)
• M7: 2,974,006 km (0.057 R)
• M8: 3,739,797 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 12.6

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.9 AU - 0.98 AU

Year: 618 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 38,705,783 km

• M1: 156,629 km (0.033 R)
• M2: 666,758 km (0.103 R)
• M3: 1,163,572 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 10.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.84 AU - 2.16 AU

Year: 1918 Days

Day: 8 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,705,783 km

• M1: 131,945 km (0.106 R)
• M2: 597,045 km (0.092 R)
• M3: 1,129,464 km (0.12 R)
• M4: 1,748,650 km (0.108 R)
• M5: 2,107,086 km (0.073 R)
• M6: 2,662,393 km (0.096 R)
• M7: 3,141,106 km (0.072 R)
• M8: 3,576,287 km (0.093 R)
• M9: 4,435,128 km (0.086 R)
• M10: 4,878,237 km (0.111 R)
• M11: 5,294,568 km (0.067 R)
• M12: 5,754,432 km (0.085 R)
• M13: 6,096,113 km (0.058 R)
• M14: 8,013,360 km (0.095 R)
• M15: 8,594,846 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.8

Radius: 11.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.86 AU - 3.12 AU

Year: 3507 Days

Day: 5.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,705,783 km

• M1: 150,645 km (0.104 R)
• M2: 582,534 km (0.114 R)
• M3: 2,131,770 km (0.085 R)
• M4: 2,721,335 km (0.105 R)
• M5: 4,263,240 km (0.09 R)
• M6: 4,862,080 km (0.08 R)
• M7: 5,223,210 km (0.115 R)
• M8: 7,436,660 km (0.103 R)
• M9: 8,591,256 km (0.107 R)
• M10: 9,031,373 km (0.083 R)
• M11: 11,149,679 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.2

Radius: 13.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.74 AU - 6.32 AU

Year: 8820 Days

Day: 12.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,705,783 km

• M1: 171,888 km (0.119 R)
• M2: 692,189 km (0.113 R)
• M3: 1,524,851 km (0.117 R)
• M4: 3,410,682 km (0.112 R)
• M5: 4,143,861 km (0.096 R)
• M6: 5,654,052 km (0.08 R)
• M7: 8,218,458 km (0.114 R)
• M8: 12,312,952 km (0.074 R)
• M9: 13,730,691 km (0.086 R)
• M10: 16,678,367 km (0.078 R)
• M11: 19,322,659 km (0.041 R)
• M12: 21,647,261 km (0.111 R)
• M13: 24,603,614 km (0.083 R)
• M14: 26,654,152 km (0.08 R)
• M15: 35,073,520 km (0.086 R)
• M16: 36,828,004 km (0.058 R)
• M17: 38,640,382 km (0.051 R)
• M18: 40,892,877 km (0.066 R)
• M19: 43,763,211 km (0.092 R)
• M20: 44,568,796 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.8

Radius: 4.5

Gravity: 18.01 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.92 AU - 6.06 AU

Year: 9943 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,705,783 km

• M1: 56,099 km (0.091 R)
• M2: 232,774 km (0.077 R)
• M3: 652,696 km (0.099 R)
• M4: 960,119 km (0.1 R)
• M5: 1,298,809 km (0.109 R)
• M6: 1,684,771 km (0.109 R)
• M7: 1,966,464 km (0.117 R)
• M8: 2,858,516 km (0.085 R)
• M9: 4,492,574 km (0.057 R)
• M10: 5,553,372 km (0.079 R)
• M11: 5,712,843 km (0.062 R)
• M12: 6,209,808 km (0.033 R)
• M13: 6,521,420 km (0.088 R)
• M14: 7,519,238 km (0.036 R)
• M15: 7,833,543 km (0.117 R)
• M16: 8,404,259 km (0.086 R)
• M17: 8,614,743 km (0.061 R)
• M18: 9,812,573 km (0.103 R)
• M19: 10,378,951 km (0.105 R)
• M20: 10,719,286 km (0.103 R)
• M21: 11,268,908 km (0.089 R)
• M22: 12,587,913 km (0.079 R)
• M23: 13,830,772 km (0.06 R)
• M24: 15,465,129 km (0.085 R)
• M25: 17,495,471 km (0.099 R)
• M26: 18,186,464 km (0.03 R)
• M27: 24,043,968 km (0.094 R)
• M28: 26,937,191 km (0.031 R)
• M29: 28,798,936 km (0.077 R)
• M30: 31,044,101 km (0.108 R)
• M31: 33,613,744 km (0.044 R)
• M32: 34,680,078 km (0.107 R)
• M33: 36,992,561 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 13,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit