🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.7

Radius: 9.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.64 AU - 0.86 AU

Year: 441 Days

Day: 9.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,796,695 km

• M1: 113,246 km (0.073 R)
• M2: 397,182 km (0.111 R)
• M3: 730,337 km (0.114 R)
• M4: 1,753,736 km (0.104 R)
• M5: 2,139,848 km (0.105 R)
• M6: 2,442,634 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 14

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.78 AU - 1.22 AU

Year: 678 Days

Day: 9.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,796,695 km

• M1: 174,132 km (0.089 R)
• M2: 625,768 km (0.111 R)
• M3: 1,138,290 km (0.083 R)
• M4: 1,748,201 km (0.119 R)
• M5: 2,399,400 km (0.077 R)
• M6: 2,860,461 km (0.057 R)
• M7: 3,700,603 km (0.106 R)
• M8: 4,615,842 km (0.118 R)
• M9: 5,677,090 km (0.098 R)
• M10: 6,276,229 km (0.082 R)
• M11: 6,917,256 km (0.066 R)
• M12: 7,648,939 km (0.089 R)
• M13: 8,280,990 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.3

Radius: 8.9

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.8 AU - 2.6 AU

Year: 2213 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,796,695 km

• M1: 114,293 km (0.109 R)
• M2: 437,574 km (0.084 R)
• M3: 746,344 km (0.11 R)
• M4: 1,056,311 km (0.086 R)
• M5: 1,801,458 km (0.092 R)
• M6: 3,000,634 km (0.045 R)
• M7: 3,862,617 km (0.055 R)
• M8: 4,558,247 km (0.115 R)
• M9: 4,880,930 km (0.107 R)
• M10: 5,358,446 km (0.093 R)
• M11: 5,718,229 km (0.081 R)
• M12: 7,675,717 km (0.104 R)
• M13: 8,196,168 km (0.111 R)
• M14: 9,004,146 km (0.087 R)
• M15: 9,307,680 km (0.108 R)
• M16: 9,864,334 km (0.034 R)
• M17: 10,187,017 km (0.12 R)
• M18: 10,628,181 km (0.12 R)
• M19: 12,858,087 km (0.108 R)
• M20: 13,858,298 km (0.061 R)
• M21: 14,630,223 km (0.118 R)
• M22: 15,478,592 km (0.108 R)
• M23: 15,963,888 km (0.104 R)
• M24: 16,309,609 km (0.11 R)
• M25: 17,067,172 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.7

Radius: 10.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.14 AU - 2.86 AU

Year: 2681 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,796,695 km

• M1: 129,402 km (0.117 R)
• M2: 541,843 km (0.1 R)
• M3: 1,345,483 km (0.079 R)
• M4: 1,985,164 km (0.102 R)
• M5: 3,183,891 km (0.06 R)
• M6: 4,769,779 km (0.072 R)
• M7: 7,294,691 km (0.033 R)
• M8: 8,263,786 km (0.065 R)
• M9: 9,517,267 km (0.074 R)
• M10: 11,803,721 km (0.099 R)
• M11: 14,748,555 km (0.103 R)
• M12: 16,005,027 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.8

Radius: 9.3

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.68 AU - 3.16 AU

Year: 3384 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,796,695 km

• M1: 115,639 km (0.052 R)
• M2: 476,170 km (0.055 R)
• M3: 923,019 km (0.116 R)
• M4: 1,341,743 km (0.107 R)
• M5: 2,017,178 km (0.066 R)
• M6: 2,383,393 km (0.051 R)
• M7: 2,763,073 km (0.091 R)
• M8: 3,132,280 km (0.103 R)
• M9: 4,421,515 km (0.059 R)
• M10: 5,137,640 km (0.081 R)
• M11: 5,623,384 km (0.065 R)
• M12: 6,112,868 km (0.1 R)
• M13: 6,546,852 km (0.076 R)
• M14: 7,147,637 km (0.085 R)
• M15: 9,489,591 km (0.067 R)
• M16: 9,998,074 km (0.088 R)
• M17: 10,410,366 km (0.104 R)
• M18: 13,942,372 km (0.061 R)
• M19: 14,410,015 km (0.113 R)
• M20: 14,839,810 km (0.118 R)
• M21: 15,277,982 km (0.102 R)
• M22: 16,282,980 km (0.106 R)
• M23: 17,654,494 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.7

Radius: 9.5

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.65 AU - 4.45 AU

Year: 5528 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,796,695 km

• M1: 156,180 km (0.118 R)
• M2: 649,704 km (0.108 R)
• M3: 1,830,629 km (0.042 R)
• M4: 2,489,309 km (0.047 R)
• M5: 2,819,321 km (0.094 R)
• M6: 3,831,052 km (0.101 R)
• M7: 4,177,371 km (0.106 R)
• M8: 5,068,077 km (0.098 R)
• M9: 5,988,702 km (0.088 R)
• M10: 6,298,070 km (0.119 R)
• M11: 6,949,270 km (0.044 R)
• M12: 7,716,707 km (0.087 R)
• M13: 8,347,561 km (0.042 R)
• M14: 9,585,932 km (0.083 R)
• M15: 10,140,192 km (0.052 R)
• M16: 11,453,811 km (0.117 R)
• M17: 13,658,435 km (0.1 R)
• M18: 15,200,191 km (0.109 R)
• M19: 16,854,893 km (0.118 R)
• M20: 17,789,132 km (0.072 R)
• M21: 18,108,074 km (0.117 R)
• M22: 18,430,906 km (0.038 R)
• M23: 22,909,268 km (0.065 R)
• M24: 24,288,561 km (0.083 R)
• M25: 24,919,116 km (0.048 R)
• M26: 28,933,724 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.9

Radius: 3.7

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.96 AU - 8.74 AU

Year: 14917 Days

Day: 20.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,796,695 km

• M1: 50,265 km (0.1 R)
• M2: 852,259 km (0.09 R)
• M3: 1,141,581 km (0.098 R)
• M4: 2,032,736 km (0.1 R)
• M5: 2,882,003 km (0.116 R)
• M6: 4,902,023 km (0.079 R)
• M7: 14,979,085 km (0.077 R)
• M8: 16,749,726 km (0.062 R)
• M9: 18,182,574 km (0.048 R)
• M10: 25,816,404 km (0.047 R)
• M11: 27,018,871 km (0.032 R)
• M12: 31,617,809 km (0.117 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: 268 - 15,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit