🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.52 AU - 0.56 AU

Year: 256 Days

Day: 15.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,413,328 km

• M1: 39,643 km (0.068 R)
• M2: 127,607 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.5

Radius: 12.4

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.73 AU - 0.79 AU

Year: 428 Days

Day: 8.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,413,328 km

• M1: 154,235 km (0.073 R)
• M2: 1,073,066 km (0.064 R)
• M3: 1,555,219 km (0.12 R)
• M4: 2,689,919 km (0.065 R)
• M5: 3,223,984 km (0.109 R)
• M6: 3,645,102 km (0.073 R)

Asteroid Belt

Center: 1.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 12.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.11 AU - 1.43 AU

Year: 924 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,413,328 km

• M1: 150,495 km (0.061 R)
• M2: 552,615 km (0.092 R)
• M3: 1,031,777 km (0.115 R)
• M4: 1,411,905 km (0.115 R)
• M5: 1,806,993 km (0.102 R)
• M6: 2,382,496 km (0.114 R)
• M7: 2,784,615 km (0.096 R)
• M8: 3,196,159 km (0.083 R)
• M9: 3,583,168 km (0.061 R)
• M10: 4,129,350 km (0.111 R)
• M11: 4,761,999 km (0.106 R)
• M12: 5,337,802 km (0.115 R)
• M13: 5,922,879 km (0.116 R)
• M14: 6,688,970 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.7

Radius: 13.1

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.32 AU - 1.66 AU

Year: 1174 Days

Day: 8.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,413,328 km

• M1: 163,062 km (0.117 R)
• M2: 683,513 km (0.115 R)
• M3: 1,674,000 km (0.08 R)
• M4: 2,136,108 km (0.076 R)
• M5: 2,662,992 km (0.087 R)
• M6: 3,374,629 km (0.096 R)
• M7: 4,209,834 km (0.083 R)
• M8: 4,661,320 km (0.084 R)
• M9: 5,788,241 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141

Radius: 9.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.71 AU - 2.39 AU

Year: 1895 Days

Day: 13.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,413,328 km

• M1: 118,182 km (0.101 R)
• M2: 470,934 km (0.101 R)
• M3: 963,859 km (0.082 R)
• M4: 1,392,158 km (0.043 R)
• M5: 2,221,080 km (0.057 R)
• M6: 2,978,942 km (0.081 R)
• M7: 4,681,067 km (0.114 R)
• M8: 8,795,457 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.4

Radius: 14

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.68 AU - 3.22 AU

Year: 3272 Days

Day: 12.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 87.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,413,328 km

• M1: 174,730 km (0.094 R)
• M2: 653,144 km (0.052 R)
• M3: 1,484,609 km (0.09 R)
• M4: 2,773,545 km (0.103 R)
• M5: 3,702,547 km (0.091 R)
• M6: 4,327,567 km (0.084 R)
• M7: 4,877,639 km (0.119 R)
• M8: 5,371,461 km (0.101 R)
• M9: 6,119,301 km (0.101 R)
• M10: 7,465,831 km (0.115 R)
• M11: 8,398,424 km (0.062 R)
• M12: 10,576,569 km (0.115 R)
• M13: 11,579,922 km (0.097 R)
• M14: 12,875,889 km (0.068 R)
• M15: 13,727,549 km (0.055 R)
• M16: 15,126,888 km (0.102 R)
• M17: 15,649,134 km (0.103 R)
• M18: 17,917,187 km (0.098 R)
• M19: 19,525,514 km (0.074 R)
• M20: 20,270,511 km (0.114 R)
• M21: 21,685,558 km (0.106 R)
• M22: 22,823,399 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.9

Radius: 3.5

Gravity: 28.81 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.42 AU - 9.56 AU

Year: 14583 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,413,328 km

• M1: 73,901 km (0.118 R)
• M2: 299,196 km (0.107 R)
• M3: 494,271 km (0.078 R)
• M4: 833,559 km (0.1 R)
• M5: 1,081,443 km (0.117 R)
• M6: 1,403,378 km (0.076 R)
• M7: 1,542,952 km (0.111 R)
• M8: 2,483,923 km (0.11 R)
• M9: 3,323,167 km (0.118 R)
• M10: 4,135,334 km (0.085 R)
• M11: 4,911,896 km (0.063 R)
• M12: 5,851,820 km (0.111 R)
• M13: 6,214,744 km (0.105 R)
• M14: 12,447,141 km (0.081 R)
• M15: 14,366,632 km (0.102 R)
• M16: 15,092,480 km (0.079 R)
• M17: 17,195,976 km (0.096 R)
• M18: 20,871,446 km (0.095 R)
• M19: 22,670,361 km (0.098 R)
• M20: 26,475,532 km (0.086 R)
• M21: 47,801,905 km (0.104 R)
• M22: 49,413,373 km (0.091 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 19,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit