🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 14.6

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.68 AU - 0.86 AU

Year: 475 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,636,588 km

• M1: 181,761 km (0.058 R)
• M2: 763,398 km (0.104 R)
• M3: 1,276,818 km (0.115 R)
• M4: 1,792,930 km (0.116 R)
• M5: 2,302,760 km (0.109 R)
• M6: 2,805,409 km (0.104 R)
• M7: 3,288,012 km (0.068 R)
• M8: 3,762,237 km (0.102 R)
• M9: 4,395,185 km (0.104 R)
• M10: 4,973,830 km (0.111 R)
• M11: 6,016,378 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.8

Radius: 14

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.59 AU - 0.95 AU

Year: 475 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,636,588 km

• M1: 174,132 km (0.052 R)
• M2: 624,721 km (0.077 R)
• M3: 1,178,382 km (0.093 R)
• M4: 1,822,401 km (0.07 R)
• M5: 2,500,977 km (0.041 R)
• M6: 3,468,127 km (0.095 R)
• M7: 4,166,151 km (0.118 R)
• M8: 4,703,058 km (0.048 R)
• M9: 5,353,809 km (0.083 R)
• M10: 5,990,348 km (0.066 R)
• M11: 6,558,819 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.2

Radius: 14.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.75 AU - 0.87 AU

Year: 512 Days

Day: 11 Hours

Environment

Temp: -168 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,636,588 km

• M1: 176,675 km (0.036 R)
• M2: 638,185 km (0.103 R)
• M3: 1,089,671 km (0.116 R)
• M4: 2,077,166 km (0.088 R)
• M5: 2,597,917 km (0.067 R)
• M6: 3,092,786 km (0.071 R)
• M7: 5,241,610 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 11.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.43 AU - 1.43 AU

Year: 1202 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,636,588 km

• M1: 144,212 km (0.114 R)
• M2: 882,328 km (0.107 R)
• M3: 1,547,440 km (0.083 R)
• M4: 1,969,456 km (0.036 R)
• M5: 2,336,270 km (0.057 R)
• M6: 2,822,613 km (0.095 R)
• M7: 3,292,649 km (0.025 R)
• M8: 3,907,048 km (0.086 R)
• M9: 5,137,490 km (0.1 R)
• M10: 5,720,623 km (0.096 R)
• M11: 6,347,438 km (0.095 R)
• M12: 7,887,997 km (0.091 R)
• M13: 8,558,793 km (0.113 R)
• M14: 9,578,452 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.9

Radius: 11.9

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.53 AU - 2.25 AU

Year: 1826 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,636,588 km

• M1: 147,952 km (0.111 R)
• M2: 531,521 km (0.04 R)
• M3: 907,760 km (0.117 R)
• M4: 1,303,745 km (0.09 R)
• M5: 2,011,044 km (0.043 R)
• M6: 2,530,897 km (0.092 R)
• M7: 3,078,724 km (0.11 R)
• M8: 4,094,494 km (0.043 R)
• M9: 4,690,342 km (0.102 R)
• M10: 5,431,899 km (0.092 R)
• M11: 6,398,301 km (0.089 R)
• M12: 7,121,756 km (0.025 R)
• M13: 8,102,071 km (0.083 R)
• M14: 8,640,025 km (0.119 R)
• M15: 9,988,799 km (0.103 R)
• M16: 11,659,209 km (0.119 R)
• M17: 13,800,104 km (0.072 R)
• M18: 14,438,588 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.1

Radius: 13

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.82 AU - 2.06 AU

Year: 1899 Days

Day: 14 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,636,588 km

• M1: 161,715 km (0.046 R)
• M2: 761,004 km (0.097 R)
• M3: 1,187,209 km (0.071 R)
• M4: 2,000,124 km (0.116 R)
• M5: 3,085,905 km (0.107 R)
• M6: 4,311,560 km (0.107 R)
• M7: 4,721,309 km (0.094 R)
• M8: 5,239,366 km (0.092 R)
• M9: 6,064,847 km (0.079 R)
• M10: 7,229,317 km (0.118 R)
• M11: 8,281,140 km (0.098 R)
• M12: 9,218,221 km (0.104 R)
• M13: 9,744,207 km (0.107 R)
• M14: 10,520,769 km (0.103 R)
• M15: 11,584,560 km (0.107 R)
• M16: 12,124,459 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.8

Radius: 4

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.04 AU - 7.82 AU

Year: 14236 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 64.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,636,588 km

• M1: 68,965 km (0.115 R)
• M2: 269,426 km (0.072 R)
• M3: 502,499 km (0.046 R)
• M4: 1,050,327 km (0.093 R)
• M5: 1,514,678 km (0.093 R)
• M6: 1,849,478 km (0.113 R)
• M7: 2,738,838 km (0.089 R)
• M8: 4,375,289 km (0.095 R)
• M9: 6,947,774 km (0.076 R)
• M10: 10,196,740 km (0.074 R)
• M11: 10,845,247 km (0.07 R)
• M12: 12,743,345 km (0.084 R)
• M13: 13,495,074 km (0.106 R)
• M14: 22,166,814 km (0.068 R)
• M15: 22,782,559 km (0.12 R)
• M16: 26,118,292 km (0.043 R)
• M17: 31,758,282 km (0.097 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: 431 - 17,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit