🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.48 AU - 0.6 AU

Year: 256 Days

Day: 17.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,430,778 km

• M1: 15,109 km (0.1 R)
• M2: 81,381 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.48 AU - 0.72 AU

Year: 300 Days

Day: 31.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.4

Radius: 8.5

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.29 AU - 1.29 AU

Year: 946 Days

Day: 6 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,430,778 km

• M1: 105,915 km (0.109 R)
• M2: 389,403 km (0.073 R)
• M3: 660,923 km (0.087 R)
• M4: 1,010,534 km (0.113 R)
• M5: 1,290,880 km (0.063 R)
• M6: 1,556,267 km (0.109 R)
• M7: 2,075,072 km (0.114 R)
• M8: 2,595,523 km (0.106 R)
• M9: 2,919,402 km (0.118 R)
• M10: 3,960,155 km (0.07 R)
• M11: 4,926,856 km (0.088 R)
• M12: 5,915,997 km (0.115 R)
• M13: 6,683,434 km (0.1 R)
• M14: 7,867,352 km (0.071 R)
• M15: 8,282,486 km (0.032 R)
• M16: 8,960,613 km (0.07 R)

Asteroid Belt

Center: 1.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 12.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.63 AU - 2.11 AU

Year: 1651 Days

Day: 7.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,430,778 km

• M1: 150,795 km (0.038 R)
• M2: 583,731 km (0.082 R)
• M3: 1,122,134 km (0.047 R)
• M4: 1,548,488 km (0.066 R)
• M5: 1,931,458 km (0.111 R)
• M6: 2,428,422 km (0.068 R)
• M7: 3,583,467 km (0.1 R)
• M8: 4,284,483 km (0.114 R)
• M9: 6,366,736 km (0.119 R)
• M10: 8,123,464 km (0.118 R)
• M11: 11,083,257 km (0.103 R)
• M12: 11,626,298 km (0.059 R)
• M13: 12,843,875 km (0.073 R)
• M14: 13,443,164 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 12.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.79 AU - 2.42 AU

Year: 1965 Days

Day: 14.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,430,778 km

• M1: 160,369 km (0.101 R)
• M2: 598,691 km (0.119 R)
• M3: 1,024,745 km (0.112 R)
• M4: 1,497,026 km (0.08 R)
• M5: 2,025,705 km (0.116 R)
• M6: 2,480,183 km (0.06 R)
• M7: 3,107,297 km (0.082 R)
• M8: 4,522,942 km (0.091 R)
• M9: 5,921,981 km (0.104 R)
• M10: 7,874,682 km (0.115 R)
• M11: 10,781,818 km (0.115 R)
• M12: 11,248,713 km (0.104 R)
• M13: 14,254,583 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.5

Radius: 14.5

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.35 AU - 3.47 AU

Year: 4066 Days

Day: 8.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,430,778 km

• M1: 180,415 km (0.112 R)
• M2: 1,016,966 km (0.07 R)
• M3: 1,586,186 km (0.078 R)
• M4: 2,295,280 km (0.103 R)
• M5: 3,302,523 km (0.104 R)
• M6: 4,046,622 km (0.094 R)
• M7: 6,183,778 km (0.082 R)
• M8: 7,221,388 km (0.089 R)
• M9: 7,748,422 km (0.116 R)
• M10: 8,515,111 km (0.088 R)
• M11: 10,078,857 km (0.108 R)
• M12: 11,079,218 km (0.082 R)
• M13: 11,603,708 km (0.096 R)
• M14: 12,702,505 km (0.107 R)
• M15: 13,423,866 km (0.106 R)
• M16: 14,020,462 km (0.098 R)
• M17: 14,843,400 km (0.051 R)
• M18: 16,586,066 km (0.119 R)
• M19: 17,215,424 km (0.099 R)
• M20: 17,683,216 km (0.079 R)
• M21: 19,894,273 km (0.031 R)
• M22: 23,691,516 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.4

Radius: 7.8

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 8.52 AU - 13.86 AU

Year: 24169 Days

Day: 25 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,430,778 km

• M1: 97,239 km (0.037 R)
• M2: 915,240 km (0.083 R)
• M3: 1,399,039 km (0.118 R)
• M4: 1,772,136 km (0.111 R)
• M5: 2,253,991 km (0.116 R)
• M6: 3,192,419 km (0.08 R)
• M7: 8,058,837 km (0.044 R)
• M8: 11,474,605 km (0.115 R)
• M9: 12,846,717 km (0.1 R)
• M10: 15,913,324 km (0.104 R)
• M11: 16,750,025 km (0.114 R)
• M12: 19,624,697 km (0.086 R)
• M13: 19,909,981 km (0.096 R)
• M14: 20,684,299 km (0.109 R)
• M15: 23,767,661 km (0.11 R)
• M16: 27,262,118 km (0.106 R)
• M17: 28,824,368 km (0.076 R)
• M18: 30,066,030 km (0.103 R)
• M19: 34,416,486 km (0.1 R)
• M20: 38,273,867 km (0.084 R)
• M21: 57,749,416 km (0.06 R)
• M22: 63,584,181 km (0.097 R)
• M23: 65,049,193 km (0.091 R)
• M24: 69,799,973 km (0.116 R)
• M25: 70,687,986 km (0.056 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 12,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit