🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 9.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.56 AU - 0.74 AU

Year: 349 Days

Day: 9.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,634,253 km

• M1: 123,418 km (0.112 R)
• M2: 436,826 km (0.114 R)
• M3: 801,246 km (0.095 R)
• M4: 1,176,737 km (0.075 R)
• M5: 1,530,087 km (0.064 R)
• M6: 2,170,665 km (0.075 R)
• M7: 2,878,562 km (0.086 R)
• M8: 3,589,900 km (0.07 R)
• M9: 3,905,701 km (0.068 R)
• M10: 4,360,180 km (0.039 R)
• M11: 4,720,262 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.1

Radius: 10.8

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.77 AU - 0.79 AU

Year: 459 Days

Day: 8.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,634,253 km

• M1: 134,339 km (0.113 R)
• M2: 480,808 km (0.067 R)
• M3: 878,588 km (0.103 R)
• M4: 1,374,056 km (0.073 R)
• M5: 2,259,676 km (0.102 R)
• M6: 2,762,923 km (0.116 R)
• M7: 3,579,877 km (0.058 R)
• M8: 3,982,146 km (0.07 R)
• M9: 4,504,841 km (0.086 R)
• M10: 5,089,320 km (0.078 R)
• M11: 5,599,747 km (0.075 R)
• M12: 6,125,434 km (0.035 R)
• M13: 6,823,458 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.7

Radius: 11.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.76 AU - 1.08 AU

Year: 588 Days

Day: 12 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 34,634,253 km

• M1: 140,921 km (0.109 R)
• M2: 624,721 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 14.2

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.9 AU - 1.18 AU

Year: 707 Days

Day: 8.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,634,253 km

• M1: 177,124 km (0.104 R)
• M2: 753,225 km (0.086 R)
• M3: 1,769,444 km (0.091 R)
• M4: 2,418,250 km (0.091 R)
• M5: 2,907,285 km (0.092 R)
• M6: 3,524,526 km (0.107 R)
• M7: 4,088,659 km (0.097 R)
• M8: 4,577,096 km (0.092 R)
• M9: 5,251,035 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 9.7

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.72 AU - 1.72 AU

Year: 1504 Days

Day: 5.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,634,253 km

• M1: 120,725 km (0.105 R)
• M2: 727,644 km (0.074 R)
• M3: 1,054,216 km (0.044 R)
• M4: 1,359,845 km (0.1 R)
• M5: 1,776,026 km (0.066 R)
• M6: 2,567,099 km (0.031 R)
• M7: 3,224,732 km (0.033 R)
• M8: 3,560,429 km (0.06 R)
• M9: 4,209,385 km (0.118 R)
• M10: 4,591,757 km (0.027 R)
• M11: 5,360,840 km (0.1 R)
• M12: 6,165,227 km (0.086 R)
• M13: 8,186,444 km (0.118 R)
• M14: 9,670,156 km (0.083 R)
• M15: 10,510,298 km (0.092 R)
• M16: 11,655,768 km (0.066 R)
• M17: 12,763,990 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.7

Radius: 12.5

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.69 AU - 3.23 AU

Year: 3396 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,634,253 km

• M1: 155,432 km (0.099 R)
• M2: 995,275 km (0.102 R)
• M3: 1,490,892 km (0.098 R)
• M4: 2,860,461 km (0.066 R)
• M5: 3,619,520 km (0.082 R)
• M6: 4,036,599 km (0.068 R)
• M7: 4,579,490 km (0.064 R)
• M8: 5,784,800 km (0.113 R)
• M9: 8,272,014 km (0.08 R)
• M10: 10,214,094 km (0.114 R)
• M11: 11,622,707 km (0.088 R)
• M12: 12,725,692 km (0.104 R)
• M13: 13,847,228 km (0.098 R)
• M14: 15,033,389 km (0.06 R)
• M15: 16,230,322 km (0.09 R)
• M16: 17,903,873 km (0.077 R)
• M17: 20,462,446 km (0.102 R)
• M18: 24,485,431 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 10.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.94 AU - 4 AU

Year: 4310 Days

Day: 7.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,634,253 km

• M1: 133,142 km (0.056 R)
• M2: 479,312 km (0.115 R)
• M3: 818,749 km (0.107 R)
• M4: 1,680,732 km (0.087 R)
• M5: 2,134,163 km (0.086 R)
• M6: 2,475,994 km (0.075 R)
• M7: 2,919,103 km (0.071 R)
• M8: 3,255,100 km (0.104 R)
• M9: 3,769,268 km (0.114 R)
• M10: 4,128,004 km (0.103 R)
• M11: 4,799,848 km (0.115 R)
• M12: 6,930,421 km (0.11 R)
• M13: 8,040,736 km (0.072 R)
• M14: 8,741,004 km (0.119 R)
• M15: 9,481,363 km (0.076 R)
• M16: 10,148,869 km (0.115 R)
• M17: 10,807,848 km (0.114 R)
• M18: 13,091,310 km (0.116 R)
• M19: 16,878,380 km (0.105 R)
• M20: 17,255,366 km (0.058 R)
• M21: 17,914,495 km (0.088 R)
• M22: 18,419,836 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.8

Radius: 9

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.66 AU - 4.86 AU

Year: 6925 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,634,253 km

• M1: 112,647 km (0.1 R)
• M2: 445,502 km (0.116 R)
• M3: 791,373 km (0.085 R)
• M4: 1,150,408 km (0.04 R)
• M5: 1,818,362 km (0.112 R)
• M6: 2,405,235 km (0.077 R)
• M7: 2,743,326 km (0.119 R)
• M8: 3,835,091 km (0.107 R)
• M9: 4,854,900 km (0.078 R)
• M10: 5,578,205 km (0.083 R)
• M11: 6,109,876 km (0.099 R)
• M12: 6,952,711 km (0.109 R)
• M13: 7,606,154 km (0.098 R)
• M14: 8,662,166 km (0.118 R)
• M15: 10,264,209 km (0.084 R)
• M16: 11,208,022 km (0.109 R)
• M17: 14,157,942 km (0.072 R)
• M18: 17,523,595 km (0.103 R)
• M19: 18,938,342 km (0.1 R)
• M20: 20,282,479 km (0.072 R)
• M21: 23,239,132 km (0.098 R)
• M22: 23,798,628 km (0.106 R)
• M23: 24,778,643 km (0.028 R)
• M24: 28,512,008 km (0.08 R)
• M25: 28,877,176 km (0.081 R)
• M26: 31,328,038 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 13,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit