🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.51 AU - 0.79 AU

Year: 220 Days

Day: 25.1 Hours

Environment

Temp: 23 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.75 AU - 1.13 AU

Year: 382 Days

Day: 45.4 Hours

Environment

Temp: -38 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,828,727 km

• M1: 11,070 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.92 AU - 1.32 AU

Year: 497 Days

Day: 31.7 Hours

Environment

Temp: -49 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,828,727 km

• M1: 346,169 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.02 AU - 1.42 AU

Year: 565 Days

Day: 33.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.99 AU - 1.47 AU

Year: 572 Days

Day: 30 Hours

Environment

Temp: -74 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.23 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.6

Radius: 9.8

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.02 AU - 3.44 AU

Year: 2432 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 106,828,727 km

• M1: 121,922 km (0.097 R)
• M2: 476,020 km (0.058 R)
• M3: 836,402 km (0.05 R)
• M4: 2,304,106 km (0.079 R)
• M5: 2,699,643 km (0.05 R)
• M6: 3,157,413 km (0.064 R)
• M7: 3,762,835 km (0.112 R)
• M8: 4,187,244 km (0.119 R)
• M9: 5,180,724 km (0.112 R)
• M10: 5,604,235 km (0.04 R)
• M11: 6,050,635 km (0.11 R)
• M12: 7,378,616 km (0.076 R)
• M13: 7,755,004 km (0.055 R)
• M14: 8,343,522 km (0.097 R)
• M15: 9,683,919 km (0.12 R)
• M16: 10,366,684 km (0.101 R)
• M17: 10,719,884 km (0.111 R)
• M18: 12,697,119 km (0.119 R)
• M19: 13,376,294 km (0.1 R)
• M20: 14,415,999 km (0.118 R)
• M21: 17,195,527 km (0.044 R)
• M22: 17,858,545 km (0.064 R)
• M23: 18,253,035 km (0.078 R)
• M24: 20,435,967 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.3

Radius: 14.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.81 AU - 10.91 AU

Year: 12972 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 106,828,727 km

• M1: 186,399 km (0.103 R)
• M2: 737,966 km (0.115 R)
• M3: 1,441,824 km (0.066 R)
• M4: 1,949,410 km (0.069 R)
• M5: 3,120,612 km (0.103 R)
• M6: 3,715,114 km (0.059 R)
• M7: 4,197,118 km (0.113 R)
• M8: 4,836,649 km (0.092 R)
• M9: 7,232,459 km (0.078 R)
• M10: 7,948,584 km (0.116 R)
• M11: 8,668,149 km (0.093 R)
• M12: 12,098,578 km (0.105 R)
• M13: 15,492,954 km (0.079 R)
• M14: 16,821,383 km (0.087 R)
• M15: 20,318,532 km (0.074 R)
• M16: 21,263,243 km (0.115 R)
• M17: 22,568,484 km (0.087 R)
• M18: 25,518,405 km (0.089 R)
• M19: 29,906,858 km (0.06 R)
• M20: 30,616,102 km (0.105 R)
• M21: 34,221,710 km (0.107 R)
• M22: 39,781,066 km (0.068 R)
• M23: 40,392,771 km (0.073 R)
• M24: 42,774,519 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.6

Radius: 5.3

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 9.53 AU - 14.11 AU

Year: 17026 Days

Day: 24.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 106,828,727 km

• M1: 65,973 km (0.102 R)
• M2: 564,582 km (0.085 R)
• M3: 749,934 km (0.113 R)
• M4: 1,676,693 km (0.096 R)
• M5: 1,856,809 km (0.11 R)
• M6: 3,224,433 km (0.048 R)
• M7: 3,478,300 km (0.098 R)
• M8: 3,663,951 km (0.032 R)
• M9: 4,598,339 km (0.085 R)
• M10: 5,020,056 km (0.108 R)
• M11: 5,431,599 km (0.1 R)
• M12: 5,791,682 km (0.092 R)
• M13: 6,400,545 km (0.115 R)
• M14: 7,009,259 km (0.104 R)
• M15: 7,479,594 km (0.12 R)
• M16: 8,483,097 km (0.038 R)
• M17: 8,869,209 km (0.049 R)
• M18: 9,368,417 km (0.026 R)
• M19: 9,573,217 km (0.081 R)
• M20: 14,528,796 km (0.025 R)
• M21: 17,202,558 km (0.038 R)
• M22: 17,432,789 km (0.064 R)
• M23: 17,665,115 km (0.084 R)
• M24: 18,454,094 km (0.026 R)
• M25: 19,184,132 km (0.097 R)
• M26: 20,875,186 km (0.031 R)
• M27: 22,847,185 km (0.105 R)
• M28: 26,336,406 km (0.081 R)
• M29: 27,574,029 km (0.064 R)
• M30: 31,063,250 km (0.111 R)
• M31: 33,031,359 km (0.047 R)
• M32: 34,835,659 km (0.088 R)
• M33: 35,575,421 km (0.109 R)
• M34: 41,460,751 km (0.106 R)
• M35: 42,291,318 km (0.073 R)
• M36: 42,992,034 km (0.044 R)
• M37: 49,031,749 km (0.08 R)
• M38: 50,116,334 km (0.072 R)
• M39: 51,534,222 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903

Radius: 7.6

Gravity: 15.63 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 16.65 AU - 17.05 AU

Year: 28979 Days

Day: 16.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 106,828,727 km

• M1: 95,443 km (0.065 R)
• M2: 387,458 km (0.071 R)
• M3: 656,735 km (0.119 R)
• M4: 1,111,512 km (0.102 R)
• M5: 1,497,475 km (0.103 R)
• M6: 2,195,349 km (0.056 R)
• M7: 2,724,626 km (0.097 R)
• M8: 3,826,564 km (0.089 R)
• M9: 5,074,360 km (0.051 R)
• M10: 5,768,195 km (0.069 R)
• M11: 7,184,887 km (0.119 R)
• M12: 7,723,140 km (0.119 R)
• M13: 8,058,837 km (0.11 R)
• M14: 8,580,635 km (0.079 R)
• M15: 11,605,803 km (0.089 R)
• M16: 12,195,966 km (0.096 R)
• M17: 14,252,937 km (0.101 R)
• M18: 15,363,402 km (0.098 R)
• M19: 16,994,917 km (0.093 R)
• M20: 22,015,421 km (0.081 R)
• M21: 23,380,352 km (0.053 R)
• M22: 26,277,913 km (0.09 R)
• M23: 27,038,020 km (0.087 R)
• M24: 29,136,728 km (0.062 R)
• M25: 29,677,824 km (0.098 R)
• M26: 34,400,928 km (0.098 R)
• M27: 41,106,204 km (0.11 R)
• M28: 41,786,874 km (0.079 R)
• M29: 43,873,914 km (0.105 R)
• M30: 49,970,177 km (0.11 R)
• M31: 65,874,226 km (0.104 R)
• M32: 69,414,310 km (0.11 R)
• M33: 90,454,652 km (0.117 R)
• M34: 91,028,958 km (0.032 R)
• M35: 95,117,617 km (0.098 R)
• M36: 101,786,990 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 12,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit