🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.77 AU - 0.83 AU

Year: 259 Days

Day: 16.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,820,387 km

• M1: 35,604 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.24 AU - 1.76 AU

Year: 664 Days

Day: 39.4 Hours

Environment

Temp: -30 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.38 AU - 2.78 AU

Year: 1499 Days

Day: 21.2 Hours

Environment

Temp: -84 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,820,387 km

• M1: 562,039 km (0.102 R)
• M2: 835,803 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.26 AU - 3.25 AU

Year: 1649 Days

Day: 41.1 Hours

Environment

Temp: -92 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 12.1

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.08 AU - 7.96 AU

Year: 7458 Days

Day: 10 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,820,387 km

• M1: 150,495 km (0.065 R)
• M2: 2,725,075 km (0.112 R)
• M3: 3,430,728 km (0.102 R)
• M4: 3,816,242 km (0.047 R)
• M5: 4,650,250 km (0.109 R)
• M6: 6,201,430 km (0.116 R)
• M7: 7,284,369 km (0.092 R)
• M8: 12,547,671 km (0.092 R)
• M9: 13,841,693 km (0.079 R)
• M10: 21,243,047 km (0.096 R)
• M11: 27,565,203 km (0.078 R)
• M12: 28,336,978 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.1

Radius: 14

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.81 AU - 10.57 AU

Year: 9264 Days

Day: 12.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,820,387 km

• M1: 174,132 km (0.105 R)
• M2: 624,422 km (0.063 R)
• M3: 1,226,703 km (0.118 R)
• M4: 1,679,834 km (0.115 R)
• M5: 2,426,926 km (0.116 R)
• M6: 3,006,020 km (0.115 R)
• M7: 3,458,254 km (0.049 R)
• M8: 4,035,103 km (0.095 R)
• M9: 5,815,019 km (0.109 R)
• M10: 6,269,348 km (0.095 R)
• M11: 7,170,974 km (0.12 R)
• M12: 10,198,835 km (0.059 R)
• M13: 11,446,331 km (0.112 R)
• M14: 14,943,331 km (0.096 R)
• M15: 15,867,397 km (0.09 R)
• M16: 17,902,826 km (0.097 R)
• M17: 19,021,519 km (0.086 R)
• M18: 21,151,793 km (0.098 R)
• M19: 21,812,417 km (0.104 R)
• M20: 23,349,236 km (0.081 R)
• M21: 27,996,494 km (0.097 R)
• M22: 33,448,738 km (0.077 R)
• M23: 35,259,171 km (0.057 R)
• M24: 35,954,651 km (0.093 R)
• M25: 36,777,739 km (0.109 R)
• M26: 37,492,966 km (0.092 R)
• M27: 39,694,897 km (0.066 R)
• M28: 44,355,170 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 15

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.59 AU - 10.13 AU

Year: 11197 Days

Day: 14.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,820,387 km

• M1: 186,549 km (0.037 R)
• M2: 965,505 km (0.093 R)
• M3: 1,646,175 km (0.076 R)
• M4: 2,601,058 km (0.074 R)
• M5: 3,171,774 km (0.107 R)
• M6: 5,666,169 km (0.09 R)
• M7: 6,206,965 km (0.11 R)
• M8: 6,931,617 km (0.111 R)
• M9: 10,660,195 km (0.112 R)
• M10: 14,354,065 km (0.09 R)
• M11: 15,952,818 km (0.101 R)
• M12: 21,705,005 km (0.098 R)
• M13: 26,881,241 km (0.104 R)
• M14: 27,641,199 km (0.102 R)
• M15: 31,031,984 km (0.106 R)
• M16: 34,468,097 km (0.059 R)
• M17: 41,204,190 km (0.071 R)
• M18: 42,214,874 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.6

Radius: 9.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 10.21 AU - 13.25 AU

Year: 14529 Days

Day: 14.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,820,387 km

• M1: 118,332 km (0.104 R)
• M2: 501,901 km (0.118 R)
• M3: 1,180,327 km (0.092 R)
• M4: 1,753,437 km (0.086 R)
• M5: 2,443,980 km (0.08 R)
• M6: 3,096,078 km (0.029 R)
• M7: 6,989,661 km (0.111 R)
• M8: 8,707,643 km (0.112 R)
• M9: 9,177,680 km (0.108 R)
• M10: 10,427,420 km (0.12 R)
• M11: 10,796,778 km (0.11 R)
• M12: 11,506,021 km (0.041 R)
• M13: 14,331,326 km (0.094 R)
• M14: 21,649,355 km (0.039 R)
• M15: 22,776,276 km (0.097 R)
• M16: 25,430,441 km (0.113 R)
• M17: 38,992,835 km (0.07 R)
• M18: 47,077,552 km (0.03 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.7

Radius: 3.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 16.39 AU - 20.85 AU

Year: 29058 Days

Day: 18.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,820,387 km

• M1: 39,045 km (0.075 R)
• M2: 1,429,557 km (0.106 R)
• M3: 2,445,626 km (0.108 R)
• M4: 10,286,649 km (0.087 R)
• M5: 19,821,269 km (0.105 R)
• M6: 20,560,432 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 20.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.2

Radius: 4.2

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 18.84 AU - 21.42 AU

Year: 32663 Days

Day: 21.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,820,387 km

• M1: 52,210 km (0.109 R)
• M2: 234,121 km (0.107 R)
• M3: 397,631 km (0.094 R)
• M4: 957,875 km (0.071 R)
• M5: 1,830,480 km (0.056 R)
• M6: 2,614,672 km (0.083 R)
• M7: 2,999,737 km (0.102 R)
• M8: 4,278,798 km (0.117 R)
• M9: 5,114,602 km (0.108 R)
• M10: 5,389,263 km (0.112 R)
• M11: 8,866,815 km (0.107 R)
• M12: 10,460,482 km (0.063 R)
• M13: 11,556,286 km (0.055 R)
• M14: 12,029,015 km (0.089 R)
• M15: 12,584,921 km (0.064 R)
• M16: 12,940,964 km (0.115 R)
• M17: 16,537,745 km (0.083 R)
• M18: 17,574,907 km (0.074 R)
• M19: 23,204,724 km (0.089 R)
• M20: 24,723,591 km (0.094 R)
• M21: 25,281,741 km (0.055 R)
• M22: 30,688,507 km (0.05 R)
• M23: 36,385,493 km (0.119 R)
• M24: 41,015,398 km (0.047 R)
• M25: 43,551,680 km (0.105 R)
• M26: 52,697,346 km (0.106 R)
• M27: 53,620,963 km (0.087 R)
• M28: 58,204,792 km (0.12 R)
• M29: 69,458,441 km (0.076 R)
• M30: 76,295,512 km (0.112 R)
• M31: 80,605,726 km (0.066 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 19,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit