🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.5

Radius: 10.2

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.63 AU - 0.63 AU

Year: 339 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,191,732 km

• M1: 127,158 km (0.041 R)
• M2: 491,130 km (0.027 R)
• M3: 1,524,851 km (0.065 R)
• M4: 2,249,653 km (0.046 R)
• M5: 2,788,056 km (0.06 R)
• M6: 3,157,413 km (0.069 R)
• M7: 4,008,325 km (0.106 R)
• M8: 4,590,859 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 8.9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.06 AU - 1.32 AU

Year: 880 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,191,732 km

• M1: 111,301 km (0.111 R)
• M2: 517,010 km (0.066 R)
• M3: 808,726 km (0.109 R)
• M4: 1,168,509 km (0.119 R)
• M5: 2,335,821 km (0.085 R)
• M6: 2,672,416 km (0.059 R)
• M7: 3,003,028 km (0.073 R)
• M8: 3,514,652 km (0.039 R)
• M9: 3,897,473 km (0.074 R)
• M10: 4,275,358 km (0.069 R)
• M11: 5,366,076 km (0.114 R)
• M12: 6,394,262 km (0.047 R)
• M13: 7,080,467 km (0.057 R)
• M14: 7,429,629 km (0.081 R)
• M15: 7,987,479 km (0.097 R)
• M16: 8,836,148 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.6

Radius: 11.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.47 AU - 1.71 AU

Year: 1360 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,191,732 km

• M1: 148,850 km (0.047 R)
• M2: 512,672 km (0.086 R)
• M3: 878,140 km (0.104 R)
• M4: 1,248,095 km (0.061 R)
• M5: 1,613,862 km (0.114 R)
• M6: 2,536,432 km (0.056 R)
• M7: 3,217,102 km (0.079 R)
• M8: 4,327,118 km (0.099 R)
• M9: 5,016,914 km (0.112 R)
• M10: 5,840,301 km (0.074 R)
• M11: 6,706,173 km (0.111 R)
• M12: 7,075,680 km (0.11 R)
• M13: 8,424,903 km (0.086 R)
• M14: 8,855,745 km (0.079 R)
• M15: 9,443,814 km (0.065 R)
• M16: 9,879,593 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 11

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.48 AU - 2.22 AU

Year: 1707 Days

Day: 6.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,191,732 km

• M1: 137,181 km (0.077 R)
• M2: 811,718 km (0.075 R)
• M3: 1,455,138 km (0.073 R)
• M4: 2,581,461 km (0.072 R)
• M5: 3,603,065 km (0.085 R)
• M6: 5,295,465 km (0.076 R)
• M7: 6,427,024 km (0.114 R)
• M8: 8,197,066 km (0.07 R)
• M9: 10,441,632 km (0.103 R)
• M10: 10,928,424 km (0.116 R)
• M11: 12,752,470 km (0.105 R)
• M12: 14,090,025 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.4

Radius: 10.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.7 AU - 2.18 AU

Year: 1833 Days

Day: 6.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,191,732 km

• M1: 129,402 km (0.052 R)
• M2: 478,414 km (0.047 R)
• M3: 861,684 km (0.109 R)
• M4: 1,231,190 km (0.055 R)
• M5: 1,682,078 km (0.061 R)
• M6: 2,148,973 km (0.049 R)
• M7: 3,142,154 km (0.073 R)
• M8: 3,734,711 km (0.095 R)
• M9: 4,300,490 km (0.076 R)
• M10: 4,726,395 km (0.092 R)
• M11: 5,331,668 km (0.107 R)
• M12: 6,303,605 km (0.119 R)
• M13: 6,809,246 km (0.101 R)
• M14: 7,655,073 km (0.097 R)

Asteroid Belt

Center: 3.11 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.1

Radius: 12.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.09 AU - 4.45 AU

Year: 5985 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,191,732 km

• M1: 161,416 km (0.086 R)
• M2: 787,334 km (0.043 R)
• M3: 1,309,281 km (0.065 R)
• M4: 1,745,059 km (0.091 R)
• M5: 2,294,083 km (0.067 R)
• M6: 2,762,773 km (0.073 R)
• M7: 3,394,076 km (0.074 R)
• M8: 4,165,852 km (0.072 R)
• M9: 5,483,660 km (0.076 R)
• M10: 6,834,229 km (0.118 R)
• M11: 7,364,404 km (0.088 R)
• M12: 9,082,835 km (0.112 R)
• M13: 9,724,759 km (0.114 R)
• M14: 12,260,742 km (0.091 R)
• M15: 14,553,030 km (0.118 R)
• M16: 17,298,750 km (0.115 R)
• M17: 18,098,201 km (0.06 R)
• M18: 19,970,418 km (0.109 R)
• M19: 25,642,122 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311

Radius: 4.6

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 8.22 AU - 13.06 AU

Year: 23540 Days

Day: 18 Hours

Environment

Temp: -240 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,191,732 km

• M1: 57,296 km (0.116 R)
• M2: 228,436 km (0.102 R)
• M3: 449,841 km (0.069 R)
• M4: 1,162,824 km (0.106 R)
• M5: 1,780,963 km (0.062 R)
• M6: 1,997,580 km (0.118 R)
• M7: 2,376,661 km (0.097 R)
• M8: 2,594,775 km (0.098 R)
• M9: 3,198,552 km (0.12 R)
• M10: 4,513,517 km (0.116 R)
• M11: 5,235,925 km (0.098 R)
• M12: 6,438,543 km (0.11 R)
• M13: 6,648,429 km (0.12 R)
• M14: 12,569,512 km (0.115 R)
• M15: 13,434,487 km (0.111 R)
• M16: 13,708,401 km (0.102 R)
• M17: 13,916,342 km (0.116 R)
• M18: 18,868,331 km (0.049 R)
• M19: 21,922,970 km (0.07 R)
• M20: 22,112,360 km (0.093 R)
• M21: 28,649,638 km (0.102 R)
• M22: 28,875,979 km (0.083 R)
• M23: 29,562,185 km (0.12 R)
• M24: 30,376,296 km (0.099 R)
• M25: 32,049,249 km (0.075 R)
• M26: 35,317,365 km (0.108 R)
• M27: 37,165,796 km (0.113 R)
• M28: 37,977,364 km (0.087 R)
• M29: 40,057,971 km (0.105 R)
• M30: 42,800,699 km (0.112 R)
• M31: 43,393,705 km (0.087 R)
• M32: 45,052,596 km (0.051 R)
• M33: 47,857,556 km (0.085 R)
• M34: 48,817,824 km (0.059 R)
• M35: 56,255,382 km (0.109 R)
• M36: 61,361,307 km (0.082 R)
• M37: 61,737,396 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 15,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit