🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.9

Radius: 15

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.53 AU - 0.57 AU

Year: 287 Days

Day: 11.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,043,096 km

• M1: 186,549 km (0.095 R)
• M2: 699,071 km (0.112 R)
• M3: 1,294,919 km (0.086 R)
• M4: 1,793,678 km (0.03 R)
• M5: 2,858,516 km (0.092 R)
• M6: 4,135,633 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 10.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.06 AU - 1.22 AU

Year: 856 Days

Day: 10.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,043,096 km

• M1: 126,859 km (0.104 R)
• M2: 534,513 km (0.055 R)
• M3: 1,044,343 km (0.038 R)
• M4: 1,430,754 km (0.075 R)
• M5: 1,963,023 km (0.116 R)
• M6: 2,362,450 km (0.119 R)
• M7: 3,644,055 km (0.027 R)
• M8: 3,967,635 km (0.075 R)
• M9: 4,626,913 km (0.086 R)
• M10: 5,138,836 km (0.038 R)
• M11: 5,495,179 km (0.055 R)
• M12: 5,922,430 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.3

Radius: 14.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.92 AU - 1.46 AU

Year: 912 Days

Day: 9.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,043,096 km

• M1: 184,155 km (0.109 R)
• M2: 700,567 km (0.081 R)
• M3: 1,221,167 km (0.034 R)
• M4: 2,779,828 km (0.108 R)
• M5: 3,274,697 km (0.087 R)
• M6: 4,693,184 km (0.1 R)
• M7: 5,569,978 km (0.074 R)
• M8: 6,427,323 km (0.038 R)
• M9: 7,325,209 km (0.116 R)
• M10: 7,937,065 km (0.047 R)
• M11: 8,405,456 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654

Radius: 12.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.31 AU - 1.85 AU

Year: 1396 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,043,096 km

• M1: 156,779 km (0.085 R)
• M2: 560,094 km (0.081 R)
• M3: 1,002,455 km (0.074 R)
• M4: 1,650,813 km (0.1 R)
• M5: 2,165,130 km (0.106 R)
• M6: 2,642,497 km (0.09 R)
• M7: 3,278,587 km (0.083 R)
• M8: 3,895,977 km (0.118 R)
• M9: 4,478,063 km (0.088 R)
• M10: 4,917,581 km (0.112 R)
• M11: 5,620,242 km (0.031 R)
• M12: 6,041,510 km (0.12 R)
• M13: 7,860,770 km (0.058 R)
• M14: 9,703,965 km (0.11 R)
• M15: 11,677,011 km (0.071 R)
• M16: 12,145,552 km (0.096 R)
• M17: 12,701,607 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.5

Radius: 8.8

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.92 AU - 3.04 AU

Year: 2745 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,043,096 km

• M1: 109,506 km (0.095 R)
• M2: 441,015 km (0.117 R)
• M3: 803,789 km (0.118 R)
• M4: 1,560,455 km (0.102 R)
• M5: 2,087,937 km (0.096 R)
• M6: 2,827,101 km (0.059 R)
• M7: 4,982,207 km (0.104 R)
• M8: 5,404,672 km (0.117 R)
• M9: 5,797,067 km (0.114 R)
• M10: 6,580,511 km (0.031 R)
• M11: 7,560,377 km (0.055 R)
• M12: 9,098,692 km (0.094 R)
• M13: 10,511,494 km (0.077 R)
• M14: 11,760,188 km (0.032 R)
• M15: 12,153,331 km (0.119 R)
• M16: 12,645,807 km (0.091 R)
• M17: 13,911,106 km (0.09 R)
• M18: 15,779,284 km (0.098 R)
• M19: 16,311,553 km (0.095 R)
• M20: 17,021,395 km (0.066 R)
• M21: 19,699,347 km (0.027 R)
• M22: 21,010,572 km (0.091 R)
• M23: 21,460,263 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 14.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.56 AU - 2.72 AU

Year: 3015 Days

Day: 9.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,043,096 km

• M1: 184,005 km (0.108 R)
• M2: 737,518 km (0.061 R)
• M3: 1,687,314 km (0.035 R)
• M4: 2,384,740 km (0.076 R)
• M5: 3,288,012 km (0.049 R)
• M6: 4,704,105 km (0.054 R)
• M7: 5,641,635 km (0.083 R)
• M8: 7,000,582 km (0.047 R)
• M9: 7,531,056 km (0.11 R)
• M10: 8,779,301 km (0.112 R)
• M11: 11,989,222 km (0.062 R)
• M12: 13,688,504 km (0.054 R)
• M13: 16,504,385 km (0.058 R)
• M14: 17,675,138 km (0.093 R)
• M15: 18,135,301 km (0.067 R)
• M16: 19,080,012 km (0.119 R)
• M17: 20,181,650 km (0.08 R)
• M18: 20,748,177 km (0.066 R)
• M19: 22,511,637 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.9

Radius: 12.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.89 AU - 6.27 AU

Year: 8048 Days

Day: 8.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,043,096 km

• M1: 151,991 km (0.104 R)
• M2: 593,156 km (0.095 R)
• M3: 1,233,883 km (0.108 R)
• M4: 1,758,972 km (0.045 R)
• M5: 2,325,349 km (0.111 R)
• M6: 2,729,712 km (0.115 R)
• M7: 3,159,657 km (0.076 R)
• M8: 3,658,865 km (0.067 R)
• M9: 5,263,152 km (0.081 R)
• M10: 11,537,736 km (0.113 R)
• M11: 12,340,478 km (0.063 R)
• M12: 16,322,025 km (0.079 R)
• M13: 20,083,963 km (0.107 R)
• M14: 28,208,474 km (0.07 R)
• M15: 28,785,024 km (0.063 R)
• M16: 31,786,107 km (0.091 R)
• M17: 33,791,317 km (0.072 R)
• M18: 34,223,954 km (0.113 R)
• M19: 35,100,298 km (0.051 R)
• M20: 35,655,755 km (0.114 R)
• M21: 38,520,704 km (0.117 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: 456 - 13,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit