🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.59 AU - 0.65 AU

Year: 315 Days

Day: 30.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.5

Radius: 11.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.72 AU - 1.06 AU

Year: 542 Days

Day: 5.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,653,741 km

• M1: 139,276 km (0.064 R)
• M2: 904,918 km (0.052 R)
• M3: 1,539,212 km (0.09 R)
• M4: 1,932,057 km (0.107 R)
• M5: 2,409,274 km (0.096 R)
• M6: 2,789,402 km (0.084 R)
• M7: 3,241,337 km (0.11 R)
• M8: 3,932,180 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.9

Radius: 14.6

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.76 AU - 1.08 AU

Year: 570 Days

Day: 10 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,653,741 km

• M1: 182,210 km (0.1 R)
• M2: 776,712 km (0.091 R)
• M3: 1,313,021 km (0.081 R)
• M4: 1,931,757 km (0.086 R)
• M5: 3,433,271 km (0.061 R)
• M6: 4,470,134 km (0.117 R)
• M7: 5,504,304 km (0.115 R)
• M8: 5,991,245 km (0.08 R)
• M9: 6,839,315 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.5

Radius: 9.5

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.59 AU - 2.61 AU

Year: 1965 Days

Day: 8.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,653,741 km

• M1: 118,182 km (0.118 R)
• M2: 441,613 km (0.082 R)
• M3: 737,069 km (0.057 R)
• M4: 1,148,463 km (0.051 R)
• M5: 1,524,851 km (0.029 R)
• M6: 1,995,187 km (0.111 R)
• M7: 2,311,736 km (0.109 R)
• M8: 2,811,692 km (0.089 R)
• M9: 3,559,233 km (0.102 R)
• M10: 4,167,497 km (0.047 R)
• M11: 4,475,669 km (0.073 R)
• M12: 4,910,401 km (0.072 R)
• M13: 5,992,143 km (0.092 R)
• M14: 6,881,203 km (0.092 R)
• M15: 10,113,863 km (0.115 R)
• M16: 12,517,751 km (0.057 R)
• M17: 13,075,452 km (0.064 R)
• M18: 13,382,577 km (0.066 R)
• M19: 16,266,524 km (0.032 R)
• M20: 17,034,560 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.7

Radius: 11

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.63 AU - 2.59 AU

Year: 1979 Days

Day: 13.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,653,741 km

• M1: 148,850 km (0.12 R)
• M2: 523,293 km (0.064 R)
• M3: 887,564 km (0.063 R)
• M4: 1,257,370 km (0.035 R)
• M5: 1,814,772 km (0.119 R)
• M6: 2,801,370 km (0.085 R)
• M7: 3,299,082 km (0.04 R)
• M8: 3,652,731 km (0.107 R)
• M9: 4,231,525 km (0.065 R)
• M10: 6,340,855 km (0.073 R)
• M11: 6,915,012 km (0.079 R)
• M12: 7,598,824 km (0.091 R)
• M13: 9,418,532 km (0.099 R)
• M14: 10,476,788 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 10.9

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.94 AU - 4.04 AU

Year: 5146 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 144.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,653,741 km

• M1: 135,835 km (0.113 R)
• M2: 977,323 km (0.095 R)
• M3: 1,398,441 km (0.053 R)
• M4: 2,891,278 km (0.106 R)
• M5: 3,263,029 km (0.074 R)
• M6: 3,688,934 km (0.12 R)
• M7: 4,322,930 km (0.091 R)
• M8: 4,811,516 km (0.084 R)
• M9: 5,251,334 km (0.106 R)
• M10: 5,899,990 km (0.063 R)
• M11: 7,075,680 km (0.113 R)
• M12: 8,918,726 km (0.078 R)
• M13: 9,929,559 km (0.092 R)
• M14: 10,327,788 km (0.082 R)
• M15: 10,690,713 km (0.056 R)
• M16: 13,636,444 km (0.112 R)
• M17: 14,351,672 km (0.075 R)
• M18: 16,586,365 km (0.094 R)
• M19: 17,916,140 km (0.108 R)
• M20: 20,430,132 km (0.118 R)
• M21: 20,858,880 km (0.098 R)
• M22: 22,558,312 km (0.12 R)
• M23: 27,683,385 km (0.098 R)
• M24: 28,032,846 km (0.117 R)
• M25: 28,562,572 km (0.059 R)
• M26: 28,919,363 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.3

Radius: 10.1

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.15 AU - 5.59 AU

Year: 6939 Days

Day: 11.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,653,741 km

• M1: 125,662 km (0.041 R)
• M2: 453,132 km (0.106 R)
• M3: 1,020,706 km (0.097 R)
• M4: 1,349,971 km (0.053 R)
• M5: 1,870,572 km (0.096 R)
• M6: 2,201,482 km (0.05 R)
• M7: 2,692,612 km (0.07 R)
• M8: 3,235,652 km (0.112 R)
• M9: 6,944,932 km (0.053 R)
• M10: 8,769,427 km (0.119 R)
• M11: 9,708,004 km (0.104 R)
• M12: 10,802,462 km (0.118 R)
• M13: 11,123,200 km (0.119 R)
• M14: 13,183,462 km (0.064 R)
• M15: 13,816,111 km (0.108 R)
• M16: 19,762,776 km (0.103 R)
• M17: 22,466,159 km (0.102 R)
• M18: 22,914,504 km (0.043 R)
• M19: 24,217,203 km (0.096 R)
• M20: 26,303,943 km (0.072 R)
• M21: 26,969,504 km (0.083 R)

Asteroid Belt

Center: 5.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 9.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.95 AU - 5.85 AU

Year: 8102 Days

Day: 8.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,653,741 km

• M1: 128,056 km (0.111 R)
• M2: 496,815 km (0.085 R)
• M3: 1,296,864 km (0.077 R)
• M4: 1,904,680 km (0.085 R)
• M5: 3,130,485 km (0.088 R)
• M6: 3,484,733 km (0.078 R)
• M7: 4,579,939 km (0.098 R)
• M8: 5,526,594 km (0.05 R)
• M9: 6,665,782 km (0.063 R)
• M10: 11,304,961 km (0.088 R)
• M11: 11,694,514 km (0.079 R)
• M12: 12,143,458 km (0.087 R)
• M13: 15,855,579 km (0.103 R)
• M14: 17,609,465 km (0.102 R)
• M15: 24,684,546 km (0.072 R)
• M16: 30,173,442 km (0.03 R)
• M17: 31,783,115 km (0.119 R)
• M18: 32,169,975 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.7

Radius: 3.5

Gravity: 46.91 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.66 AU - 9.86 AU

Year: 18194 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,653,741 km

• M1: 43,533 km (0.095 R)
• M2: 232,325 km (0.037 R)
• M3: 2,049,491 km (0.116 R)
• M4: 2,270,596 km (0.096 R)
• M5: 2,463,279 km (0.117 R)
• M6: 3,107,148 km (0.111 R)
• M7: 3,916,023 km (0.11 R)
• M8: 4,385,162 km (0.11 R)
• M9: 4,684,209 km (0.102 R)
• M10: 6,057,367 km (0.097 R)
• M11: 9,898,442 km (0.116 R)
• M12: 10,011,090 km (0.07 R)
• M13: 14,370,222 km (0.069 R)
• M14: 15,176,854 km (0.072 R)
• M15: 15,553,242 km (0.106 R)
• M16: 16,403,257 km (0.097 R)
• M17: 17,860,340 km (0.118 R)
• M18: 18,791,886 km (0.114 R)
• M19: 21,685,408 km (0.105 R)
• M20: 24,758,747 km (0.033 R)
• M21: 27,661,394 km (0.045 R)
• M22: 30,306,434 km (0.026 R)
• M23: 39,102,639 km (0.083 R)
• M24: 39,809,340 km (0.112 R)
• M25: 41,686,643 km (0.059 R)
• M26: 42,128,107 km (0.108 R)
• M27: 42,721,562 km (0.109 R)
• M28: 48,639,653 km (0.098 R)
• M29: 53,334,034 km (0.118 R)
• M30: 54,728,586 km (0.099 R)
• M31: 54,904,663 km (0.041 R)
• M32: 59,243,450 km (0.115 R)
• M33: 65,178,296 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.1

Radius: 4

Gravity: 37.88 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.92 AU - 11.32 AU

Year: 22346 Days

Day: 20.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,653,741 km

• M1: 52,509 km (0.104 R)
• M2: 210,783 km (0.088 R)
• M3: 396,434 km (0.107 R)
• M4: 555,606 km (0.042 R)
• M5: 830,867 km (0.055 R)
• M6: 1,234,182 km (0.06 R)
• M7: 1,495,979 km (0.048 R)
• M8: 1,907,971 km (0.053 R)
• M9: 2,088,237 km (0.088 R)
• M10: 7,070,295 km (0.082 R)
• M11: 15,465,727 km (0.077 R)
• M12: 16,358,078 km (0.085 R)
• M13: 17,803,792 km (0.086 R)
• M14: 43,548,239 km (0.096 R)
• M15: 53,798,985 km (0.116 R)
• M16: 57,926,988 km (0.042 R)
• M17: 59,871,162 km (0.099 R)
• M18: 62,463,095 km (0.098 R)
• M19: 65,754,547 km (0.088 R)
• M20: 74,940,754 km (0.109 R)
• M21: 77,948,419 km (0.105 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 14,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit