🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.5 AU - 0.76 AU

Year: 318 Days

Day: 26.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,221,499 km

• M1: 371,152 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 12.1

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.65 AU - 0.95 AU

Year: 455 Days

Day: 13.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,221,499 km

• M1: 150,944 km (0.109 R)
• M2: 556,055 km (0.1 R)
• M3: 973,433 km (0.075 R)
• M4: 1,769,144 km (0.116 R)
• M5: 2,319,665 km (0.11 R)
• M6: 2,938,850 km (0.113 R)
• M7: 3,781,236 km (0.076 R)
• M8: 4,351,353 km (0.097 R)
• M9: 4,762,747 km (0.106 R)
• M10: 5,248,791 km (0.072 R)
• M11: 5,664,673 km (0.064 R)
• M12: 6,138,599 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.6

Radius: 13.9

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.49 AU - 1.69 AU

Year: 1275 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,221,499 km

• M1: 173,534 km (0.102 R)
• M2: 1,070,672 km (0.066 R)
• M3: 1,875,808 km (0.074 R)
• M4: 2,515,189 km (0.049 R)
• M5: 3,216,205 km (0.085 R)
• M6: 3,783,629 km (0.074 R)
• M7: 4,813,760 km (0.057 R)
• M8: 6,555,977 km (0.084 R)
• M9: 7,027,809 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 10.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.81 AU - 2.83 AU

Year: 2247 Days

Day: 10.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,221,499 km

• M1: 129,402 km (0.077 R)
• M2: 454,778 km (0.096 R)
• M3: 908,807 km (0.083 R)
• M4: 1,306,737 km (0.051 R)
• M5: 2,329,089 km (0.101 R)
• M6: 2,844,005 km (0.115 R)
• M7: 4,012,364 km (0.084 R)
• M8: 4,595,796 km (0.106 R)
• M9: 5,170,551 km (0.05 R)
• M10: 5,632,659 km (0.11 R)
• M11: 6,266,954 km (0.113 R)
• M12: 8,578,839 km (0.113 R)
• M13: 9,386,967 km (0.068 R)
• M14: 9,743,758 km (0.095 R)
• M15: 10,763,417 km (0.096 R)
• M16: 12,385,357 km (0.105 R)
• M17: 13,295,361 km (0.062 R)
• M18: 14,291,683 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.5

Radius: 14

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.88 AU - 3.02 AU

Year: 3222 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,221,499 km

• M1: 174,132 km (0.083 R)
• M2: 762,949 km (0.052 R)
• M3: 1,224,309 km (0.117 R)
• M4: 1,752,090 km (0.071 R)
• M5: 2,635,466 km (0.056 R)
• M6: 4,001,145 km (0.066 R)
• M7: 4,569,467 km (0.112 R)
• M8: 5,748,298 km (0.098 R)
• M9: 8,387,653 km (0.072 R)
• M10: 9,025,838 km (0.103 R)
• M11: 9,765,001 km (0.1 R)
• M12: 10,507,904 km (0.108 R)
• M13: 11,250,059 km (0.089 R)
• M14: 11,908,290 km (0.089 R)
• M15: 12,674,231 km (0.026 R)
• M16: 13,688,355 km (0.035 R)
• M17: 15,640,009 km (0.07 R)

Asteroid Belt

Center: 3.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 9.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.51 AU - 3.61 AU

Year: 4271 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,221,499 km

• M1: 133,890 km (0.08 R)
• M2: 763,398 km (0.1 R)
• M3: 1,729,800 km (0.089 R)
• M4: 2,365,292 km (0.099 R)
• M5: 2,942,441 km (0.115 R)
• M6: 4,952,886 km (0.099 R)
• M7: 6,387,380 km (0.096 R)
• M8: 8,619,979 km (0.068 R)
• M9: 11,173,016 km (0.085 R)
• M10: 11,603,110 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.3

Radius: 10

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.7 AU - 5.48 AU

Year: 7301 Days

Day: 12.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,221,499 km

• M1: 124,316 km (0.073 R)
• M2: 471,084 km (0.064 R)
• M3: 1,116,000 km (0.118 R)
• M4: 2,081,056 km (0.045 R)
• M5: 2,738,539 km (0.104 R)
• M6: 3,694,319 km (0.118 R)
• M7: 4,519,202 km (0.06 R)
• M8: 4,975,476 km (0.057 R)
• M9: 5,980,624 km (0.064 R)
• M10: 6,320,959 km (0.092 R)
• M11: 7,153,321 km (0.107 R)
• M12: 7,935,120 km (0.12 R)
• M13: 8,600,681 km (0.036 R)
• M14: 10,525,407 km (0.11 R)
• M15: 10,872,025 km (0.063 R)
• M16: 11,745,826 km (0.109 R)
• M17: 14,405,377 km (0.095 R)
• M18: 16,965,147 km (0.115 R)
• M19: 21,194,278 km (0.092 R)
• M20: 22,967,163 km (0.112 R)
• M21: 24,924,052 km (0.071 R)
• M22: 28,206,379 km (0.056 R)
• M23: 29,070,008 km (0.047 R)
• M24: 32,283,370 km (0.081 R)
• M25: 34,625,175 km (0.103 R)
• M26: 36,397,910 km (0.108 R)
• M27: 39,287,692 km (0.105 R)
• M28: 39,763,862 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.3

Radius: 9.8

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.45 AU - 5.95 AU

Year: 7539 Days

Day: 10.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,221,499 km

• M1: 123,568 km (0.119 R)
• M2: 583,880 km (0.043 R)
• M3: 982,409 km (0.09 R)
• M4: 1,365,081 km (0.075 R)
• M5: 1,819,559 km (0.087 R)
• M6: 2,507,111 km (0.111 R)
• M7: 3,114,628 km (0.052 R)
• M8: 4,122,020 km (0.116 R)
• M9: 4,860,884 km (0.075 R)
• M10: 5,625,628 km (0.056 R)
• M11: 9,127,564 km (0.069 R)
• M12: 9,546,887 km (0.043 R)
• M13: 12,289,166 km (0.117 R)
• M14: 16,543,729 km (0.034 R)
• M15: 16,979,059 km (0.115 R)
• M16: 18,265,302 km (0.095 R)
• M17: 18,932,359 km (0.08 R)
• M18: 22,971,351 km (0.084 R)
• M19: 25,685,057 km (0.077 R)
• M20: 29,142,862 km (0.08 R)
• M21: 30,145,617 km (0.117 R)
• M22: 30,608,921 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.1

Radius: 14.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.19 AU - 6.49 AU

Year: 8973 Days

Day: 5.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,221,499 km

• M1: 179,069 km (0.095 R)
• M2: 1,067,231 km (0.118 R)
• M3: 1,724,415 km (0.088 R)
• M4: 6,783,815 km (0.088 R)
• M5: 8,936,378 km (0.113 R)
• M6: 11,019,379 km (0.069 R)
• M7: 17,217,369 km (0.117 R)
• M8: 17,747,693 km (0.074 R)
• M9: 19,333,430 km (0.115 R)
• M10: 24,740,945 km (0.102 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 19,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit