🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.59 AU - 0.69 AU

Year: 336 Days

Day: 26.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.32 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.1

Radius: 10.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.55 AU - 2.43 AU

Year: 1842 Days

Day: 14.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,243,649 km

• M1: 135,536 km (0.115 R)
• M2: 816,206 km (0.026 R)
• M3: 1,930,261 km (0.094 R)
• M4: 2,314,429 km (0.088 R)
• M5: 3,439,853 km (0.056 R)
• M6: 3,802,778 km (0.091 R)
• M7: 4,174,529 km (0.042 R)
• M8: 4,935,683 km (0.062 R)
• M9: 7,038,430 km (0.108 R)
• M10: 7,476,752 km (0.104 R)
• M11: 7,959,355 km (0.096 R)
• M12: 8,327,964 km (0.065 R)
• M13: 8,846,769 km (0.096 R)
• M14: 9,739,270 km (0.117 R)
• M15: 10,192,253 km (0.1 R)
• M16: 10,564,602 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.8

Radius: 8.8

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.28 AU - 2.74 AU

Year: 2609 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,243,649 km

• M1: 109,506 km (0.117 R)
• M2: 554,859 km (0.109 R)
• M3: 861,385 km (0.118 R)
• M4: 1,559,558 km (0.087 R)
• M5: 2,827,699 km (0.113 R)
• M6: 3,809,659 km (0.085 R)
• M7: 4,932,541 km (0.102 R)
• M8: 5,936,193 km (0.093 R)
• M9: 7,499,491 km (0.106 R)
• M10: 8,409,943 km (0.082 R)
• M11: 10,216,637 km (0.088 R)
• M12: 11,583,962 km (0.076 R)
• M13: 12,311,606 km (0.104 R)
• M14: 13,763,602 km (0.118 R)
• M15: 14,481,971 km (0.06 R)
• M16: 15,941,747 km (0.093 R)
• M17: 16,680,462 km (0.036 R)
• M18: 20,167,738 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.1

Radius: 12.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.77 AU - 3.81 AU

Year: 4840 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,243,649 km

• M1: 151,991 km (0.119 R)
• M2: 636,090 km (0.09 R)
• M3: 1,389,615 km (0.095 R)
• M4: 1,999,525 km (0.042 R)
• M5: 2,415,407 km (0.08 R)
• M6: 2,998,839 km (0.053 R)
• M7: 3,486,528 km (0.04 R)
• M8: 4,425,853 km (0.09 R)
• M9: 5,442,520 km (0.07 R)
• M10: 6,172,259 km (0.114 R)
• M11: 6,672,963 km (0.117 R)
• M12: 7,863,163 km (0.066 R)
• M13: 8,490,128 km (0.037 R)
• M14: 10,097,258 km (0.119 R)
• M15: 12,926,154 km (0.111 R)
• M16: 19,493,650 km (0.071 R)
• M17: 20,096,679 km (0.032 R)
• M18: 21,129,353 km (0.06 R)
• M19: 22,854,665 km (0.117 R)
• M20: 26,339,697 km (0.102 R)
• M21: 27,827,897 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 12.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.87 AU - 6.49 AU

Year: 8880 Days

Day: 6.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,243,649 km

• M1: 156,629 km (0.092 R)
• M2: 1,040,304 km (0.07 R)
• M3: 1,829,582 km (0.115 R)
• M4: 2,813,188 km (0.112 R)
• M5: 4,048,268 km (0.075 R)
• M6: 6,220,579 km (0.1 R)
• M7: 6,902,446 km (0.107 R)
• M8: 8,175,972 km (0.075 R)
• M9: 8,702,407 km (0.12 R)
• M10: 9,165,263 km (0.116 R)
• M11: 18,653,358 km (0.076 R)
• M12: 22,411,257 km (0.051 R)
• M13: 32,882,210 km (0.096 R)
• M14: 34,843,139 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.6

Radius: 4.1

Gravity: 37.93 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.7 AU - 6.82 AU

Year: 11530 Days

Day: 17.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,243,649 km

• M1: 51,162 km (0.103 R)
• M2: 449,990 km (0.066 R)
• M3: 628,760 km (0.119 R)
• M4: 986,149 km (0.025 R)
• M5: 1,898,547 km (0.034 R)
• M6: 3,969,729 km (0.106 R)
• M7: 4,735,670 km (0.097 R)
• M8: 5,153,497 km (0.046 R)
• M9: 5,988,852 km (0.104 R)
• M10: 7,748,123 km (0.109 R)
• M11: 8,792,166 km (0.058 R)
• M12: 9,422,123 km (0.119 R)
• M13: 9,824,391 km (0.107 R)
• M14: 10,343,197 km (0.117 R)
• M15: 11,777,392 km (0.087 R)
• M16: 15,932,173 km (0.06 R)
• M17: 17,912,101 km (0.103 R)
• M18: 19,399,702 km (0.114 R)
• M19: 20,050,154 km (0.072 R)
• M20: 20,214,861 km (0.1 R)
• M21: 20,714,817 km (0.061 R)
• M22: 28,396,369 km (0.096 R)
• M23: 38,282,993 km (0.093 R)
• M24: 48,141,343 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.6

Radius: 3.4

Gravity: 19.86 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.93 AU - 9.67 AU

Year: 14291 Days

Day: 18 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,243,649 km

• M1: 72,106 km (0.038 R)
• M2: 184,753 km (0.072 R)
• M3: 292,464 km (0.114 R)
• M4: 1,412,204 km (0.09 R)
• M5: 2,145,383 km (0.119 R)
• M6: 3,913,630 km (0.052 R)
• M7: 7,694,267 km (0.109 R)
• M8: 8,665,606 km (0.098 R)
• M9: 11,053,338 km (0.116 R)
• M10: 11,847,104 km (0.112 R)
• M11: 15,925,441 km (0.098 R)
• M12: 23,396,060 km (0.083 R)
• M13: 28,313,940 km (0.09 R)
• M14: 30,500,463 km (0.112 R)
• M15: 36,568,601 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 18,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit