🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.6

Radius: 13.2

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.73 AU - 0.83 AU

Year: 467 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,570,739 km

• M1: 164,258 km (0.066 R)
• M2: 578,046 km (0.114 R)
• M3: 1,006,345 km (0.057 R)
• M4: 1,547,590 km (0.091 R)
• M5: 2,131,770 km (0.061 R)
• M6: 2,594,027 km (0.081 R)
• M7: 3,169,081 km (0.094 R)
• M8: 4,054,252 km (0.028 R)
• M9: 4,711,735 km (0.112 R)
• M10: 5,178,031 km (0.113 R)
• M11: 6,131,867 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 12

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.3 AU - 1.52 AU

Year: 1136 Days

Day: 13.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,570,739 km

• M1: 153,188 km (0.116 R)
• M2: 760,556 km (0.105 R)
• M3: 1,229,246 km (0.119 R)
• M4: 1,691,952 km (0.093 R)
• M5: 2,088,985 km (0.106 R)
• M6: 2,668,527 km (0.102 R)
• M7: 3,445,089 km (0.064 R)
• M8: 4,258,603 km (0.119 R)
• M9: 4,903,070 km (0.057 R)
• M10: 7,410,480 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 11.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.54 AU - 2.1 AU

Year: 1665 Days

Day: 5.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,570,739 km

• M1: 142,417 km (0.119 R)
• M2: 515,813 km (0.041 R)
• M3: 981,960 km (0.107 R)
• M4: 1,781,711 km (0.027 R)
• M5: 2,449,366 km (0.081 R)
• M6: 2,811,542 km (0.118 R)
• M7: 3,277,241 km (0.102 R)
• M8: 3,916,472 km (0.088 R)
• M9: 5,699,529 km (0.102 R)
• M10: 6,192,753 km (0.114 R)
• M11: 6,647,531 km (0.112 R)
• M12: 7,101,411 km (0.101 R)
• M13: 8,147,549 km (0.079 R)
• M14: 8,694,479 km (0.097 R)
• M15: 9,154,941 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 13.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.84 AU - 2.28 AU

Year: 2005 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,570,739 km

• M1: 164,558 km (0.116 R)
• M2: 590,912 km (0.117 R)
• M3: 1,125,425 km (0.041 R)
• M4: 1,576,762 km (0.066 R)
• M5: 2,644,890 km (0.047 R)
• M6: 3,291,004 km (0.109 R)
• M7: 3,899,418 km (0.119 R)
• M8: 4,314,702 km (0.063 R)
• M9: 5,108,318 km (0.083 R)
• M10: 6,755,092 km (0.089 R)
• M11: 7,939,309 km (0.069 R)
• M12: 9,289,130 km (0.088 R)
• M13: 10,035,624 km (0.089 R)
• M14: 10,751,898 km (0.052 R)
• M15: 11,356,423 km (0.079 R)
• M16: 12,210,328 km (0.108 R)
• M17: 13,146,661 km (0.09 R)
• M18: 13,838,252 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.6

Radius: 13.7

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.3 AU - 2.32 AU

Year: 2381 Days

Day: 12.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,570,739 km

• M1: 175,628 km (0.066 R)
• M2: 724,802 km (0.106 R)
• M3: 1,440,179 km (0.106 R)
• M4: 1,957,638 km (0.094 R)
• M5: 2,565,903 km (0.096 R)
• M6: 3,311,947 km (0.076 R)
• M7: 3,997,255 km (0.081 R)
• M8: 4,741,205 km (0.067 R)
• M9: 6,442,731 km (0.114 R)
• M10: 7,514,600 km (0.106 R)
• M11: 8,167,894 km (0.12 R)
• M12: 8,911,695 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.9

Radius: 14

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.15 AU - 2.83 AU

Year: 2665 Days

Day: 6.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,570,739 km

• M1: 174,132 km (0.11 R)
• M2: 801,994 km (0.119 R)
• M3: 1,451,997 km (0.074 R)
• M4: 2,150,170 km (0.071 R)
• M5: 2,851,485 km (0.09 R)
• M6: 3,648,542 km (0.082 R)
• M7: 5,426,663 km (0.073 R)
• M8: 9,110,361 km (0.114 R)
• M9: 10,073,173 km (0.076 R)
• M10: 11,217,148 km (0.115 R)
• M11: 13,850,818 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.6

Radius: 14.8

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.32 AU - 3.26 AU

Year: 3161 Days

Day: 7.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,570,739 km

• M1: 184,604 km (0.096 R)
• M2: 691,591 km (0.084 R)
• M3: 1,302,698 km (0.115 R)
• M4: 1,836,763 km (0.085 R)
• M5: 2,461,184 km (0.112 R)
• M6: 2,984,777 km (0.086 R)
• M7: 4,128,602 km (0.105 R)
• M8: 4,967,696 km (0.065 R)
• M9: 5,669,460 km (0.068 R)
• M10: 7,009,707 km (0.119 R)
• M11: 8,101,323 km (0.101 R)
• M12: 8,660,969 km (0.038 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.2

Radius: 10

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.84 AU - 4.14 AU

Year: 4422 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,570,739 km

• M1: 124,316 km (0.117 R)
• M2: 785,538 km (0.088 R)
• M3: 1,364,931 km (0.113 R)
• M4: 2,096,315 km (0.047 R)
• M5: 2,608,538 km (0.116 R)
• M6: 3,054,041 km (0.054 R)
• M7: 3,514,054 km (0.116 R)
• M8: 4,425,404 km (0.079 R)
• M9: 5,859,150 km (0.082 R)
• M10: 6,408,623 km (0.111 R)
• M11: 6,793,838 km (0.093 R)
• M12: 10,344,094 km (0.079 R)
• M13: 11,344,904 km (0.095 R)
• M14: 15,309,996 km (0.113 R)
• M15: 15,751,309 km (0.058 R)
• M16: 16,302,278 km (0.044 R)
• M17: 18,524,704 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.4

Radius: 12.2

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.27 AU - 5.85 AU

Year: 7720 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,570,739 km

• M1: 151,692 km (0.113 R)
• M2: 544,536 km (0.09 R)
• M3: 1,023,100 km (0.103 R)
• M4: 1,773,483 km (0.096 R)
• M5: 2,242,173 km (0.087 R)
• M6: 2,706,973 km (0.076 R)
• M7: 4,033,458 km (0.087 R)
• M8: 4,503,494 km (0.091 R)
• M9: 4,957,673 km (0.093 R)
• M10: 5,554,419 km (0.119 R)
• M11: 6,229,106 km (0.098 R)
• M12: 6,892,124 km (0.108 R)
• M13: 7,325,658 km (0.098 R)
• M14: 8,775,860 km (0.039 R)
• M15: 13,951,647 km (0.082 R)
• M16: 14,485,113 km (0.065 R)
• M17: 15,032,043 km (0.116 R)
• M18: 15,993,658 km (0.105 R)
• M19: 17,481,708 km (0.068 R)
• M20: 19,190,265 km (0.113 R)
• M21: 21,567,525 km (0.109 R)
• M22: 24,287,364 km (0.031 R)
• M23: 26,249,789 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 16,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit