🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.7 AU - 0.78 AU

Year: 237 Days

Day: 14.6 Hours

Environment

Temp: 149 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.15 AU - 1.73 AU

Year: 644 Days

Day: 34.7 Hours

Environment

Temp: -32 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,654,624 km

• M1: 193,879 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.4 AU - 2.78 AU

Year: 1554 Days

Day: 44.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.2

Radius: 9.4

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.81 AU - 6.45 AU

Year: 5658 Days

Day: 12.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,654,624 km

• M1: 116,836 km (0.094 R)
• M2: 506,090 km (0.093 R)
• M3: 972,087 km (0.115 R)
• M4: 1,419,235 km (0.111 R)
• M5: 2,210,757 km (0.071 R)
• M6: 2,660,449 km (0.06 R)
• M7: 3,071,095 km (0.086 R)
• M8: 3,523,927 km (0.09 R)
• M9: 4,360,628 km (0.069 R)
• M10: 5,585,984 km (0.087 R)
• M11: 6,072,626 km (0.043 R)
• M12: 6,554,481 km (0.092 R)
• M13: 7,486,027 km (0.09 R)
• M14: 9,024,641 km (0.101 R)
• M15: 10,489,803 km (0.095 R)
• M16: 15,240,133 km (0.093 R)
• M17: 16,252,013 km (0.108 R)
• M18: 16,557,941 km (0.112 R)
• M19: 17,055,504 km (0.107 R)
• M20: 17,499,061 km (0.074 R)
• M21: 19,282,118 km (0.078 R)
• M22: 21,328,916 km (0.111 R)
• M23: 21,769,781 km (0.042 R)
• M24: 22,442,523 km (0.056 R)
• M25: 23,438,546 km (0.111 R)
• M26: 27,114,614 km (0.11 R)
• M27: 27,545,456 km (0.028 R)
• M28: 31,821,113 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 10.7

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.39 AU - 8.05 AU

Year: 7996 Days

Day: 10 Hours

Environment

Temp: -162 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,654,624 km

• M1: 133,142 km (0.062 R)
• M2: 539,749 km (0.112 R)
• M3: 1,358,648 km (0.032 R)
• M4: 2,312,633 km (0.101 R)
• M5: 3,454,813 km (0.093 R)
• M6: 4,680,319 km (0.039 R)
• M7: 5,268,837 km (0.071 R)
• M8: 6,039,715 km (0.099 R)
• M9: 8,937,276 km (0.112 R)
• M10: 9,338,198 km (0.118 R)
• M11: 9,985,508 km (0.112 R)
• M12: 10,961,934 km (0.096 R)
• M13: 13,047,477 km (0.119 R)
• M14: 13,797,860 km (0.107 R)
• M15: 15,575,382 km (0.08 R)
• M16: 29,650,448 km (0.046 R)
• M17: 31,557,521 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.9

Radius: 9.1

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.59 AU - 10.75 AU

Year: 10352 Days

Day: 10.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,654,624 km

• M1: 115,938 km (0.091 R)
• M2: 2,326,696 km (0.087 R)
• M3: 3,209,024 km (0.094 R)
• M4: 4,185,748 km (0.063 R)
• M5: 7,604,957 km (0.096 R)
• M6: 8,210,978 km (0.059 R)
• M7: 10,800,368 km (0.089 R)
• M8: 12,250,719 km (0.113 R)
• M9: 13,328,123 km (0.101 R)
• M10: 13,953,293 km (0.074 R)
• M11: 16,366,905 km (0.112 R)
• M12: 17,821,744 km (0.112 R)
• M13: 18,580,504 km (0.047 R)
• M14: 19,124,442 km (0.053 R)
• M15: 20,819,984 km (0.086 R)
• M16: 21,153,887 km (0.093 R)
• M17: 23,773,944 km (0.1 R)
• M18: 32,694,166 km (0.098 R)
• M19: 36,544,067 km (0.048 R)
• M20: 39,145,424 km (0.117 R)
• M21: 44,161,890 km (0.048 R)
• M22: 44,713,607 km (0.084 R)
• M23: 45,549,859 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.1

Radius: 12.1

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 9.61 AU - 13 AU

Year: 14160 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 87,654,624 km

• M1: 159,172 km (0.075 R)
• M2: 637,586 km (0.042 R)
• M3: 1,408,464 km (0.118 R)
• M4: 1,867,131 km (0.089 R)
• M5: 2,328,192 km (0.107 R)
• M6: 2,777,434 km (0.118 R)
• M7: 3,458,703 km (0.116 R)
• M8: 4,517,108 km (0.105 R)
• M9: 5,323,739 km (0.1 R)
• M10: 7,139,858 km (0.105 R)
• M11: 7,784,026 km (0.086 R)
• M12: 8,466,491 km (0.103 R)
• M13: 9,387,865 km (0.079 R)
• M14: 10,267,949 km (0.103 R)
• M15: 16,301,530 km (0.07 R)
• M16: 23,599,214 km (0.075 R)
• M17: 27,228,458 km (0.109 R)
• M18: 28,481,191 km (0.073 R)
• M19: 29,881,277 km (0.036 R)
• M20: 31,101,397 km (0.109 R)
• M21: 31,666,877 km (0.049 R)
• M22: 32,935,168 km (0.046 R)
• M23: 33,522,639 km (0.052 R)
• M24: 34,961,322 km (0.075 R)
• M25: 35,572,728 km (0.097 R)
• M26: 36,440,695 km (0.103 R)
• M27: 37,195,715 km (0.092 R)
• M28: 38,477,470 km (0.115 R)
• M29: 39,129,268 km (0.104 R)
• M30: 44,326,148 km (0.065 R)
• M31: 45,475,958 km (0.098 R)
• M32: 48,437,547 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.8

Radius: 4.3

Gravity: 47.26 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 11.35 AU - 18.87 AU

Year: 21895 Days

Day: 22 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,654,624 km

• M1: 54,005 km (0.073 R)
• M2: 315,053 km (0.037 R)
• M3: 564,433 km (0.038 R)
• M4: 853,157 km (0.088 R)
• M5: 1,264,401 km (0.106 R)
• M6: 2,588,193 km (0.059 R)
• M7: 4,106,611 km (0.082 R)
• M8: 4,898,433 km (0.066 R)
• M9: 5,249,838 km (0.114 R)
• M10: 6,590,085 km (0.1 R)
• M11: 10,296,672 km (0.114 R)
• M12: 13,095,199 km (0.095 R)
• M13: 14,628,129 km (0.109 R)
• M14: 16,969,335 km (0.117 R)
• M15: 17,322,985 km (0.117 R)
• M16: 20,931,285 km (0.116 R)
• M17: 25,931,594 km (0.069 R)
• M18: 28,210,119 km (0.075 R)
• M19: 29,588,514 km (0.065 R)
• M20: 32,208,571 km (0.066 R)
• M21: 33,991,927 km (0.103 R)
• M22: 35,985,020 km (0.088 R)
• M23: 37,604,716 km (0.109 R)
• M24: 42,267,682 km (0.085 R)
• M25: 46,092,899 km (0.057 R)
• M26: 48,353,921 km (0.12 R)
• M27: 50,142,663 km (0.108 R)
• M28: 56,750,251 km (0.03 R)
• M29: 57,342,210 km (0.075 R)
• M30: 59,751,185 km (0.088 R)
• M31: 65,632,924 km (0.094 R)
• M32: 81,247,352 km (0.083 R)
• M33: 83,516,751 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 16,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit