🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.8

Radius: 14.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.45 AU - 0.59 AU

Year: 264 Days

Day: 5.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,453,156 km

• M1: 184,454 km (0.03 R)
• M2: 671,545 km (0.11 R)
• M3: 1,202,767 km (0.117 R)
• M4: 1,665,772 km (0.08 R)
• M5: 2,138,950 km (0.06 R)
• M6: 2,662,693 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.9

Radius: 8.1

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.54 AU - 0.8 AU

Year: 385 Days

Day: 6.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,453,156 km

• M1: 100,679 km (0.031 R)
• M2: 404,064 km (0.116 R)
• M3: 685,906 km (0.057 R)
• M4: 1,140,385 km (0.101 R)
• M5: 1,566,738 km (0.079 R)
• M6: 1,866,682 km (0.115 R)
• M7: 2,120,849 km (0.059 R)
• M8: 2,603,153 km (0.068 R)
• M9: 4,510,974 km (0.101 R)
• M10: 5,200,770 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.6

Radius: 14.2

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.53 AU - 0.87 AU

Year: 412 Days

Day: 11.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,453,156 km

• M1: 176,675 km (0.037 R)
• M2: 710,590 km (0.105 R)
• M3: 1,363,884 km (0.117 R)
• M4: 2,122,794 km (0.099 R)
• M5: 2,959,495 km (0.059 R)
• M6: 3,705,539 km (0.1 R)
• M7: 4,819,146 km (0.113 R)
• M8: 5,542,900 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697

Radius: 11.3

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.01 AU - 1.13 AU

Year: 778 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,453,156 km

• M1: 140,472 km (0.117 R)
• M2: 514,467 km (0.029 R)
• M3: 882,029 km (0.037 R)
• M4: 1,377,348 km (0.109 R)
• M5: 1,836,164 km (0.103 R)
• M6: 2,931,669 km (0.063 R)
• M7: 4,026,427 km (0.116 R)
• M8: 4,890,055 km (0.088 R)
• M9: 5,301,599 km (0.081 R)
• M10: 5,716,733 km (0.116 R)
• M11: 6,092,822 km (0.081 R)
• M12: 6,548,946 km (0.1 R)
• M13: 7,005,369 km (0.11 R)
• M14: 7,647,144 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.3

Radius: 11.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.4 AU - 3.58 AU

Year: 3634 Days

Day: 7.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,453,156 km

• M1: 145,559 km (0.116 R)
• M2: 539,600 km (0.084 R)
• M3: 906,413 km (0.106 R)
• M4: 1,270,984 km (0.056 R)
• M5: 1,714,242 km (0.069 R)
• M6: 2,274,336 km (0.076 R)
• M7: 3,369,692 km (0.05 R)
• M8: 3,765,229 km (0.078 R)
• M9: 5,191,645 km (0.119 R)
• M10: 6,344,147 km (0.106 R)
• M11: 7,040,824 km (0.095 R)
• M12: 7,820,079 km (0.073 R)
• M13: 8,382,268 km (0.105 R)
• M14: 9,221,662 km (0.065 R)
• M15: 10,116,257 km (0.058 R)
• M16: 11,027,009 km (0.029 R)
• M17: 11,819,728 km (0.031 R)
• M18: 12,560,985 km (0.085 R)
• M19: 14,329,980 km (0.119 R)
• M20: 17,231,431 km (0.103 R)
• M21: 17,619,787 km (0.057 R)
• M22: 21,318,893 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.1

Radius: 9.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.25 AU - 3.87 AU

Year: 4722 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,453,156 km

• M1: 120,127 km (0.097 R)
• M2: 477,068 km (0.098 R)
• M3: 999,613 km (0.108 R)
• M4: 1,415,196 km (0.096 R)
• M5: 2,084,946 km (0.099 R)
• M6: 2,755,294 km (0.076 R)
• M7: 3,277,540 km (0.042 R)
• M8: 4,823,185 km (0.107 R)
• M9: 5,640,588 km (0.065 R)
• M10: 6,837,819 km (0.115 R)
• M11: 9,077,898 km (0.072 R)
• M12: 9,685,864 km (0.119 R)
• M13: 10,848,239 km (0.072 R)
• M14: 22,068,678 km (0.102 R)
• M15: 22,650,165 km (0.065 R)
• M16: 23,692,264 km (0.108 R)
• M17: 25,235,814 km (0.044 R)
• M18: 28,522,480 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 9.8

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.75 AU - 4.41 AU

Year: 5793 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,453,156 km

• M1: 152,739 km (0.081 R)
• M2: 642,672 km (0.111 R)
• M3: 956,080 km (0.076 R)
• M4: 1,352,365 km (0.042 R)
• M5: 2,574,879 km (0.11 R)
• M6: 2,957,550 km (0.076 R)
• M7: 4,339,834 km (0.102 R)
• M8: 4,744,197 km (0.048 R)
• M9: 7,268,362 km (0.075 R)
• M10: 8,649,300 km (0.085 R)
• M11: 11,260,681 km (0.047 R)
• M12: 12,718,661 km (0.113 R)
• M13: 13,891,957 km (0.065 R)
• M14: 14,594,020 km (0.083 R)
• M15: 15,753,703 km (0.112 R)
• M16: 16,196,064 km (0.042 R)
• M17: 16,517,101 km (0.1 R)
• M18: 16,973,674 km (0.054 R)
• M19: 19,965,631 km (0.12 R)
• M20: 21,011,171 km (0.092 R)
• M21: 21,316,500 km (0.035 R)
• M22: 24,619,322 km (0.057 R)
• M23: 25,908,406 km (0.071 R)
• M24: 27,061,507 km (0.111 R)
• M25: 29,279,744 km (0.096 R)
• M26: 31,119,648 km (0.051 R)
• M27: 36,109,336 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.7

Radius: 9.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.4 AU - 4.44 AU

Year: 6532 Days

Day: 8.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,453,156 km

• M1: 143,764 km (0.107 R)
• M2: 640,877 km (0.045 R)
• M3: 1,524,552 km (0.105 R)
• M4: 1,965,267 km (0.071 R)
• M5: 3,104,904 km (0.106 R)
• M6: 3,407,690 km (0.116 R)
• M7: 4,760,354 km (0.092 R)
• M8: 5,142,876 km (0.057 R)
• M9: 5,477,227 km (0.119 R)
• M10: 8,121,968 km (0.112 R)
• M11: 12,093,342 km (0.092 R)
• M12: 13,803,695 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.3

Radius: 7

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.43 AU - 6.87 AU

Year: 9440 Days

Day: 16.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,453,156 km

• M1: 87,515 km (0.037 R)
• M2: 404,961 km (0.11 R)
• M3: 917,783 km (0.095 R)
• M4: 1,319,154 km (0.12 R)
• M5: 2,270,896 km (0.091 R)
• M6: 2,489,159 km (0.111 R)
• M7: 5,111,011 km (0.114 R)
• M8: 6,233,743 km (0.04 R)
• M9: 7,009,707 km (0.036 R)
• M10: 7,330,296 km (0.101 R)
• M11: 8,194,074 km (0.067 R)
• M12: 8,711,383 km (0.118 R)
• M13: 9,988,201 km (0.088 R)
• M14: 13,717,676 km (0.053 R)
• M15: 15,201,388 km (0.114 R)
• M16: 16,600,427 km (0.083 R)
• M17: 18,016,969 km (0.115 R)
• M18: 20,361,766 km (0.106 R)
• M19: 27,011,990 km (0.104 R)
• M20: 28,334,435 km (0.098 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 12,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit