🌌 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: 442.6

Radius: 13.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.61 AU - 0.65 AU

Year: 351 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,763,597 km

• M1: 165,455 km (0.105 R)
• M2: 644,767 km (0.107 R)
• M3: 1,602,642 km (0.095 R)
• M4: 2,074,474 km (0.053 R)
• M5: 2,500,080 km (0.07 R)
• M6: 2,917,009 km (0.092 R)
• M7: 3,455,711 km (0.111 R)
• M8: 3,964,942 km (0.064 R)
• M9: 4,420,916 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484

Radius: 11

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.87 AU - 1.31 AU

Year: 800 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,763,597 km

• M1: 136,732 km (0.089 R)
• M2: 584,778 km (0.098 R)
• M3: 971,638 km (0.107 R)
• M4: 1,656,497 km (0.078 R)
• M5: 2,188,318 km (0.062 R)
• M6: 3,032,050 km (0.116 R)
• M7: 3,542,627 km (0.055 R)
• M8: 5,248,342 km (0.116 R)
• M9: 5,891,164 km (0.115 R)
• M10: 6,483,273 km (0.088 R)
• M11: 7,855,983 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.4

Radius: 11.1

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.35 AU - 1.35 AU

Year: 1103 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,763,597 km

• M1: 153,039 km (0.117 R)
• M2: 619,485 km (0.113 R)
• M3: 1,054,216 km (0.101 R)
• M4: 1,648,718 km (0.104 R)
• M5: 2,013,737 km (0.073 R)
• M6: 2,652,071 km (0.052 R)
• M7: 3,158,909 km (0.062 R)
• M8: 3,511,660 km (0.053 R)
• M9: 4,006,530 km (0.114 R)
• M10: 4,676,429 km (0.066 R)
• M11: 5,077,651 km (0.113 R)
• M12: 5,564,592 km (0.104 R)
• M13: 6,284,756 km (0.081 R)
• M14: 6,632,272 km (0.097 R)
• M15: 7,884,406 km (0.052 R)
• M16: 8,566,722 km (0.093 R)
• M17: 8,965,700 km (0.11 R)
• M18: 10,049,237 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 13.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.39 AU - 1.79 AU

Year: 1409 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,763,597 km

• M1: 173,384 km (0.108 R)
• M2: 788,830 km (0.08 R)
• M3: 1,886,579 km (0.116 R)
• M4: 2,442,933 km (0.104 R)
• M5: 3,038,183 km (0.082 R)
• M6: 3,477,552 km (0.076 R)
• M7: 4,252,619 km (0.119 R)
• M8: 4,980,861 km (0.1 R)
• M9: 5,945,319 km (0.119 R)
• M10: 7,232,758 km (0.107 R)
• M11: 8,498,057 km (0.112 R)
• M12: 10,616,512 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.3

Radius: 9.8

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.66 AU - 3.7 AU

Year: 3986 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,763,597 km

• M1: 121,922 km (0.111 R)
• M2: 662,419 km (0.116 R)
• M3: 1,383,032 km (0.04 R)
• M4: 1,707,809 km (0.106 R)
• M5: 2,138,352 km (0.12 R)
• M6: 2,484,970 km (0.12 R)
• M7: 3,129,288 km (0.095 R)
• M8: 6,653,814 km (0.097 R)
• M9: 7,145,094 km (0.066 R)
• M10: 7,660,309 km (0.029 R)
• M11: 8,339,034 km (0.074 R)
• M12: 8,657,378 km (0.115 R)
• M13: 9,205,954 km (0.101 R)
• M14: 10,413,059 km (0.106 R)
• M15: 10,907,630 km (0.075 R)
• M16: 11,899,314 km (0.027 R)
• M17: 12,258,050 km (0.114 R)
• M18: 12,809,467 km (0.062 R)
• M19: 13,667,860 km (0.096 R)
• M20: 16,143,854 km (0.092 R)
• M21: 18,904,683 km (0.109 R)
• M22: 21,499,907 km (0.061 R)
• M23: 22,032,774 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.7

Radius: 14.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.39 AU - 3.97 AU

Year: 4962 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,763,597 km

• M1: 180,265 km (0.055 R)
• M2: 677,828 km (0.072 R)
• M3: 1,352,814 km (0.069 R)
• M4: 1,846,337 km (0.06 R)
• M5: 2,429,769 km (0.103 R)
• M6: 4,351,802 km (0.063 R)
• M7: 5,773,730 km (0.081 R)
• M8: 6,837,520 km (0.068 R)
• M9: 9,601,491 km (0.078 R)
• M10: 10,594,671 km (0.094 R)
• M11: 11,093,281 km (0.088 R)
• M12: 12,836,395 km (0.093 R)
• M13: 13,299,400 km (0.105 R)
• M14: 14,258,921 km (0.092 R)
• M15: 15,609,491 km (0.079 R)
• M16: 16,137,571 km (0.09 R)
• M17: 21,584,878 km (0.101 R)
• M18: 30,089,517 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.2

Radius: 14.1

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.04 AU - 4.44 AU

Year: 5084 Days

Day: 6.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,763,597 km

• M1: 175,927 km (0.085 R)
• M2: 904,768 km (0.099 R)
• M3: 1,438,084 km (0.063 R)
• M4: 2,137,305 km (0.096 R)
• M5: 4,399,075 km (0.062 R)
• M6: 5,702,820 km (0.068 R)
• M7: 6,395,608 km (0.105 R)
• M8: 8,336,341 km (0.118 R)
• M9: 9,104,676 km (0.115 R)
• M10: 9,614,057 km (0.069 R)
• M11: 12,922,264 km (0.091 R)
• M12: 14,063,845 km (0.082 R)
• M13: 18,627,179 km (0.077 R)
• M14: 20,512,860 km (0.081 R)
• M15: 24,824,719 km (0.109 R)
• M16: 28,162,398 km (0.081 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: 314 - 19,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit