🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.4 AU - 0.62 AU

Year: 154 Days

Day: 44.7 Hours

Environment

Temp: 176 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 0.79 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.91 AU - 1.21 AU

Year: 460 Days

Day: 38.8 Hours

Environment

Temp: -50 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.42 AU - 1.76 AU

Year: 846 Days

Day: 22.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.94 AU - 2.36 AU

Year: 1330 Days

Day: 22.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,692,766 km

• M1: 603,478 km (0.075 R)

Asteroid Belt

Center: 3.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 9.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.23 AU - 6.83 AU

Year: 5485 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,692,766 km

• M1: 250,128 km (0.063 R)
• M2: 761,752 km (0.087 R)
• M3: 1,296,116 km (0.102 R)
• M4: 1,878,800 km (0.108 R)
• M5: 3,327,954 km (0.097 R)
• M6: 3,740,096 km (0.072 R)
• M7: 4,718,616 km (0.104 R)
• M8: 5,638,045 km (0.071 R)
• M9: 9,572,319 km (0.063 R)
• M10: 10,211,850 km (0.063 R)
• M11: 10,994,696 km (0.11 R)
• M12: 13,012,920 km (0.075 R)
• M13: 17,024,537 km (0.114 R)
• M14: 20,264,079 km (0.115 R)
• M15: 21,708,446 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 9.1

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.89 AU - 7.23 AU

Year: 7912 Days

Day: 13 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,692,766 km

• M1: 113,395 km (0.056 R)
• M2: 685,757 km (0.104 R)
• M3: 864,227 km (0.087 R)
• M4: 2,422,887 km (0.085 R)
• M5: 7,246,970 km (0.09 R)
• M6: 9,910,560 km (0.092 R)
• M7: 11,994,757 km (0.051 R)
• M8: 14,870,028 km (0.091 R)
• M9: 15,880,562 km (0.117 R)
• M10: 18,221,320 km (0.09 R)
• M11: 19,395,663 km (0.039 R)
• M12: 19,680,647 km (0.05 R)
• M13: 22,584,641 km (0.117 R)
• M14: 23,201,882 km (0.06 R)
• M15: 25,168,795 km (0.082 R)
• M16: 27,081,403 km (0.103 R)
• M17: 28,304,067 km (0.074 R)
• M18: 28,856,083 km (0.06 R)
• M19: 31,262,215 km (0.116 R)
• M20: 32,061,217 km (0.083 R)
• M21: 34,065,679 km (0.083 R)
• M22: 35,512,739 km (0.109 R)
• M23: 37,859,032 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 11.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.44 AU - 8.98 AU

Year: 8165 Days

Day: 6.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,692,766 km

• M1: 150,795 km (0.093 R)
• M2: 432,936 km (0.07 R)
• M3: 1,028,785 km (0.027 R)
• M4: 1,269,787 km (0.071 R)
• M5: 1,886,130 km (0.066 R)
• M6: 4,170,041 km (0.095 R)
• M7: 4,901,574 km (0.06 R)
• M8: 5,167,858 km (0.059 R)
• M9: 7,044,713 km (0.11 R)
• M10: 9,038,255 km (0.092 R)
• M11: 10,110,871 km (0.1 R)
• M12: 10,689,516 km (0.052 R)
• M13: 11,164,190 km (0.075 R)
• M14: 11,486,573 km (0.105 R)
• M15: 12,312,503 km (0.026 R)
• M16: 12,779,249 km (0.097 R)
• M17: 13,429,850 km (0.054 R)
• M18: 16,002,783 km (0.11 R)
• M19: 16,243,636 km (0.116 R)
• M20: 16,535,053 km (0.032 R)
• M21: 17,026,482 km (0.071 R)
• M22: 18,595,913 km (0.112 R)
• M23: 19,592,384 km (0.118 R)
• M24: 22,624,584 km (0.111 R)
• M25: 22,853,618 km (0.072 R)
• M26: 24,967,585 km (0.119 R)
• M27: 27,050,586 km (0.108 R)
• M28: 27,932,615 km (0.112 R)
• M29: 28,635,725 km (0.097 R)
• M30: 30,002,302 km (0.081 R)
• M31: 30,464,858 km (0.108 R)
• M32: 32,693,717 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.4

Radius: 5.5

Gravity: 28.94 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 11.05 AU - 17.73 AU

Year: 23022 Days

Day: 17.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 90,692,766 km

• M1: 91,554 km (0.118 R)
• M2: 235,916 km (0.073 R)
• M3: 362,775 km (0.1 R)
• M4: 921,074 km (0.103 R)
• M5: 1,105,977 km (0.09 R)
• M6: 1,599,949 km (0.084 R)
• M7: 2,656,709 km (0.111 R)
• M8: 3,037,286 km (0.032 R)
• M9: 5,331,967 km (0.083 R)
• M10: 5,732,441 km (0.118 R)
• M11: 5,961,176 km (0.079 R)
• M12: 12,407,947 km (0.059 R)
• M13: 16,981,153 km (0.095 R)
• M14: 17,454,182 km (0.115 R)
• M15: 17,613,205 km (0.097 R)
• M16: 18,175,992 km (0.029 R)
• M17: 18,501,517 km (0.104 R)
• M18: 18,912,462 km (0.096 R)
• M19: 20,515,553 km (0.107 R)
• M20: 21,561,691 km (0.032 R)
• M21: 22,906,127 km (0.114 R)
• M22: 25,813,711 km (0.098 R)
• M23: 27,582,107 km (0.114 R)
• M24: 28,488,222 km (0.095 R)
• M25: 30,031,025 km (0.06 R)
• M26: 35,468,608 km (0.109 R)
• M27: 35,809,242 km (0.106 R)
• M28: 37,072,297 km (0.101 R)
• M29: 42,715,877 km (0.119 R)
• M30: 45,880,919 km (0.089 R)
• M31: 49,159,207 km (0.11 R)
• M32: 50,097,485 km (0.054 R)
• M33: 53,381,756 km (0.066 R)
• M34: 55,913,401 km (0.045 R)
• M35: 56,055,818 km (0.074 R)
• M36: 57,923,099 km (0.118 R)
• M37: 60,411,211 km (0.075 R)
• M38: 61,899,261 km (0.113 R)
• M39: 63,556,955 km (0.098 R)
• M40: 70,567,260 km (0.099 R)
• M41: 71,529,773 km (0.116 R)
• M42: 75,279,444 km (0.08 R)
• M43: 82,201,636 km (0.116 R)
• M44: 82,547,058 km (0.076 R)
• M45: 90,330,635 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 12,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit